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Gym Event management company Fitness centerAbout the Club
Cerus Fitness is a functional fitness gym in Frederick, Colorado, offering a welcoming community and a variety of ways to train. We provide group classes like strength training, HIIT, boxing, spin, and yoga, plus personal training, nutrition programs, and open gym access with cardio machines, top-notch equipment, and ninja obstacle course rigs. Our supportive environment and diverse classes make every workout motivating and fun. We host 10-12 exciting fitness events and challenges throughout the year, including DekaFit, DekaStrong, DekaMile, and CerusBrix, to keep you motivated in your fitness. Join us to train hard, get results, and be part of a community that’s got your back!
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Reviews
Henry Martinez
★ 5
Great community of people never let you give up fun, good vibes and a great place to make friends work outs are awesome I recommend anyone trying to get healthy or a little gym time to come out give them a try well worth it
Source: Google
Lori Mettler
★ 5
I have truly enjoyed my workouts at CERUS. The trainers are so encouraging and motivating they push you to the be the best that you can be. I highly recommend this gym.
Source: Google
Chad Runion
★ 5
Solid group of monsters who take their fitness very serious! The workouts can be tailored to meet anyone’s needs (I have an Achilles issue at the moment) the programming is intentional and the coaches are on point. I wish I joined sooner and will definitely be a longtime member! Glad to be a part of this very friendly community!
Source: Google
Matt Kamtz
★ 5
Love the workouts and love the coaches especially Rich!! Lots of time options also to get your workout in everyday! The members are all so supportive no matter your fitness level!
Source: Google
Lori
★ 5
I've been at Cerus Fitness for about 3.5 years and love it. The "Strong" classes are fun, and I've been able to make gains. I also enjoy taking a HIIT class when able where I can really get a sweat on. Rich Leeper is a great coach and is very encouraging. It's nice to get up early and get my gym workout done leaving me with the rest of the day to do other things.
Source: Google
Adam Bappe
★ 5
I've been a member of Cerus for right at a year and I wish I had joined long before I did. The workouts are challenging but really well thought out, and the coaches are awesome at meeting you where you’re at while still pushing you to get better. There’s a good mix of strength, conditioning, skill work and all the things to keep fitness fun and interesting. You actually feel like you’re progressing week to week.
What I love most is the community—it’s such a welcoming group of people who genuinely support each other. The community motivates and challenges each other, while, most importantly, lifting each other up.
Come join our community!
Source: Google
Steve Versoi
★ 5
Great team of instructors and a great place to get your exercise habits fulfilled. A lot of fun and you can go as hard as you can .... and then go harder :-)
Great place!
Source: Google
Josh Cooke
★ 5
Cerus is an incredible place for all fitness levels. The trainers are dedicated to helping you start your journey—or get back on track—no matter where you’re at. The supportive community, motivating atmosphere, and real results keep me coming back. Highly recommend Cerus for all ages and fitness levels!
Source: Google
Verity Stewart
★ 5
Absolutely the best gym around. Great classes, knowable coaches, friendly and welcoming. Highly recommended for any one what ever fitness level to join!
Source: Google
Jack Romans
★ 5
I have never been a go-to-the-gym kind of person, but from the first time I visited Cerus, I knew the community there was exactly what I needed to motivate me. Rich is one of the best coaches I could ask for. His attention to form and technique while being a motivational influence, is above par.
I love being a part of the Cerus family and look forward to improving my health and fitness moving forward!
Source: Google
Horace Jaramillo
★ 5
Cerus has been a great addition to my journey of fitness as well as my own growth.
The trainers and staff are great and there is always such a great vibe. No matter how tired or frustrated I maybe walking in, I always seem to leave with a smile! I have worked primarily under Rich and he has been helping me with many of my weak areas as well as being a great motivator!
I couldn’t have asked for a better gym environment!
Source: Google
Danielle Dorans
★ 5
I've only been training here for 2 weeks, I’m already seriously impressed! The environment is super friendly and supportive, everyone from the coaches to the members makes you feel welcome from day one.
My favorite class so far is the Cerus LFT class. It is challenging, fun, and well-structured. The coaches do a great job of pushing you while also making sure you're moving safely and confidently.
I’m really looking forward to trying out more classes soon. If you’re looking for a gym that combines a great community with solid training, this is the place to be!
Source: Google
Stacey Kober
★ 5
Found this gem of a gym last November and never looked back! All the trainers are so encouraging and supportive. The classes are super, and the community is everything. If you’re on the fence, come take a class with Rich or Chris or Ashley or Steve or any trainer, and I promise you’ll have no regrets!
Source: Google
John and Parker Howard
★ 5
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Stephanie Ehalt
★ 5
CERIUS FITNESS LOVE IT!
Source: Google
Ali Lommel
★ 5
I’ve been going to gyms my entire life, Cerus Fitness is the best I’ve ever found. The programming is creative and challenging, the coaches genuinely care about your progress, and the community is incredibly welcoming. What really sets Cerus apart is the energy—it’s not just about fitness, it’s about building confidence, having fun, and connecting with others who push you to be your best. I've become my best self here and I will forever be grateful to Cerus. For me, Cerus isn’t just a gym, it’s home. Try the Athlete 2.0 program!
Source: Google
Bradley Martinelli
★ 5
Cerus Fitness is an amazing gym! Chris, the owner, is super personal and knows everyone by name, which makes it feel like a real community. Rich, the main trainer, is awesome, always engaged, encouraging, and genuinely nice. Every class is fun, challenging, and welcoming. Couldn’t recommend it more!
Source: Google
Amy Vagher
★ 5
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Johnathan Howard
★ 5
Cerus Fitness has completely changed my fitness journey for the better! After struggling for a while to get back into shape, I can honestly say this is the first gym where I’ve felt supported and motivated. The coaches are incredibly knowledgeable, but what really sets them apart is how friendly and welcoming they are. From day one, I never felt judged—only encouraged.
They take the time to understand your goals and discuss actionable steps to achieve them. Every session is challenging but enjoyable, and the positive atmosphere makes you actually look forward to working out. I feel healthier and stronger thanks to the Cerus team. If you want a gym that puts you first and treats you like family, Cerus Fitness is hands-down the best choice.
Source: Google
GC Flip
★ 5
Cerus Fitness is the BEST OCR gym out there! (And they offer soooooooo much more than that! I love their Boxing and HIIT classes) What sets this place apart is Cerus' culture that the owners, Chris and Rich have built. Not only has Cerus Fitness helped me go beyond what I thought was possible to achieve with my fitness (i've reached PB's with weights, jumping, and reps here that i would never have even attempted anywhere else), they also have built a community of incredible people who are all super encouraging and FUN! I truly feel valued and like I'm part of the Cerus Family. Thanks for helping me be the best version of myself... and making it a party in the process. ❤️
-Casey Sherman
Source: Google
David Drake
★ 5
Great gym and great people!
Source: Google
Taylor Morris
★ 5
Cerus Fitness was truly something life changing for me and my gym journey! I was so nervous to try out a gym as I have never been in one before. The staff and community welcomed me with open arms and I have since lost 20 lbs and learned form on basic and some advanced lifts coming from no previous knowledge. Cerus is very close with there members and I know every time I walk in I will be recognized and have someone to talk too. This place is like no other
Source: Google
Ashley Zimmer
★ 5
Cerus Fitness is an amazing gym with an amazing community. From the moment you walk in, you’re met with a welcoming and supportive atmosphere where everyone is encouraged to push their limits, no matter their fitness level. The space is clean, well-equipped, and set up for both group training and individual workouts. If you’re looking for a place that challenges you while making you feel at home, Cerus Fitness is it.
Source: Google
Anna Morgan
★ 5
Love this gym!! Truly the most supportive coaches who have quickly become like family to me. A great place for all ages and all fitness levels.
Source: Google
Monica Korber
★ 5
As a member of Cerus Fitness, I couldn't be more happy with the various HIIT, CrossFit, Cycling, Pilates, and Boxing classes. The coaches really care about their members and they offer early morning classes, which is great for those of us that need to get straight to work. I would highly recommend Cerus Fitness to anyone looking for a neighborhood gym that cares about its members.
Source: Google
Nick DeBruyne
★ 5
I’ve joined this gym three years ago and cannot say enough amazing things about this place. Cerus has an amazing staff, they make you feel like family, the place is always clean, and it has all the equipment you could ever possibly need. I’m never leaving.
Source: Google
Brooke Brinkman
★ 5
If an amazing gym community is something important to you, this is the place to be! I've had memberships at a few gyms since moving to Colorado, but this has by far been the best experience. Been with Cerus for almost three years, and still come in every day even after moving to Fort Collins. Highly, HIGHLY recommend!
Source: Google
Juliet Schutte
★ 5
I love Cerus Fitness! I was looking for a place close to me that had all day Open Gym and a wide variety of equipment that I could use to train with. What I found was that and a whole lot more. I found my family and the most amazing community I have ever come across at a gym like this. I am so grateful to have found it!
Source: Google
Andrea Van Sambeek
★ 5
Before finding Cerus, “the gym” wasn’t a place I’d ever visit. However the entire community here was so welcoming and supportive that I felt at home & have stayed for years! The coaches modified to teach at my fitness level & have helped me grow all along the way. It’s the other members that keep me going & returning week after week with their positive & encouraging attitudes. Come join us— you’ll be so glad you did!
Source: Google
Marcus
★ 5
I have been coming to Cerus for a little under a year now. The classes are phenomenal and the coaches are motivators. Whether you are an experienced athlete or new to the game you are immediately welcomed into the community.
Source: Google
Kassidy Lear
★ 5
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laura chavez
★ 5
I've been going to Cerus for a about 2.5 years now and I've never loved a gym so much. I truly look forward to showing up to class everyday. They've built a fun & welcoming environment/community, & will help push you towards your goals. There is a big variety in classes, and the trainers are there to answer whatever questions you have.
Source: Google
Krissee Gaikowski
★ 5
This is hands down the best gym you’ll find. They have great coaches, a variety of classes, personal training, and open gym all day! Plenty of barbells and plates, dumbbells, rowers, ski ergs and echo bikes! Join NOW!
Source: Google
Realtor Noah Inhofer
★ 5
The community at Cerus Fitness is second to none!!
The gym is well-equipped with every piece of equipment you could want. The staff and trainers are professionals with decades of experience.
If you want to lose fat, get strong, develop healthy habits, and be surrounded by great people, Cerus Fitness is for you!
Source: Google
Wendy Vink
★ 5
Rich and Chris are awesome! They motivate and support you to be your best self. Love it.
Source: Google
Travis Paul
★ 5
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Moe G
★ 5
Professional and well set gym
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Marlon Dugarte
★ 5
Great. Encourage, Attitude, Support. Energy. All of the in the same place.
Source: Google
Siraj Nur
★ 5
Nice place nice welcome management
Source: Google
Eddie Lopez
★ 5
This place got me back into the gym, and I actually like going. The coach’s are awesome and community is great! I highly recommend dropping in if you haven’t.
Source: Google
Grace K
★ 5
Best gym I’ve been to! The coaches are incredible and care about your goals/safety. HIGHLY recommend working out here!! There’s a lot of versatility and assortment of classes too! Spin, Yoga, Lifting, HIIT, Boxing— join already!!
Source: Google
Jackie Havens Oldham
★ 5
Cerus has been AMAZING! After moving to town a few months ago, my partner and I knew we needed to find a great gym that would push us both, and this is it. I love the HIIT workouts, I feel challenged every day, and everyone is so kind. The energy is fantastic. I highly recommend Cerus and I'm thrilled to be a part of the community!
Source: Google
Kaydee Davidsmeyer
★ 5
I have been going to Cerus for a few months now! They have established an amazing community! I enjoy my time spent at this gym. the coaches are helpful and motivating. I highly recommend at least giving it a try if you are debating on joining a gym.
Source: Google
Amber Klingenmeier
★ 5
Great Gym! Appreciate the knowledgeable trainers and supportive community.
Source: Google
C G
★ 5
Great community & awesome place to work out. The staff is super friendly & the coaches are knowledgeable & very helpful. Stop by & check them out!!
Source: Google
Chad Willy
★ 5
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Taylor Gasser
★ 5
Consistently challenging workouts & an incredibly welcoming community. If you have questions to ask, these coaches know the answer. Group classes, yoga, competition, personal training and boxing, oh my!! Cerus fitness = 10/10 😎
Source: Google
Nancy Batrez
★ 5
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Pirin Becker
★ 5
UPDATED REVIEW:
I've now been a member at Cerus Fitness for almost 18 months. I stand by my original review from a year ago (below) but the past 18 months has truly been a transformative experience both physically and mentally.
When I first became a member, I only participated in the fitness classes. Since then, I've participated in many Cerus events, competitions, completed online personal training courses am now working with an in-person trainer to work on my strength and skills. I am doing things that I would have never thought I was capable of doing a year ago.
The team at Cerus is always there to cheer me on and lift me up. That positivity is also backed knowledge and experience to help me accomplish my goals and become my best self!
ORIGINAL REVIEW:
After spending the past few years working out at home, I was ready for something new. I'm so glad I came across Cerus Fitness! I'll admit, the first time I walked in, I was a little intimidated by the obstacle course set-up. It didn't take long before I was greeted by every member of the staff, trainers and the owner, Chris. I signed up the same night I completed the tour.
After attending my first few classes, I knew I found a new gym home. Everyone was so welcoming. The classes are truly fit for people of all abilities. Cerus offers everything from HIIT, Strength, Boxing, Yoga and Spin classes. The trainers take the time to explain each move and ensure that we are doing things with proper form. I have to say I'm a bit addicted now.
If group classes aren't your thing, that's ok! The gym has top of the line cardio and strength equipment with plenty of room to set up your own little area and do your thing. This place is far from your typical corporate gym. It's more of a family!
Source: Google
Brad B.
★ 5
Cerus is a great place to get fit, feel included, and coached by dedicated fitness experts. I've been coming for 3 months and coaches are responsive to questions, friendly, and encouraging towards your goal.
Source: Google
Jessica Zehm
★ 5
Cerus is a great gym that offers a large variety of workouts for every level of fitness. The trainers are interactive, they pay attention and make the workouts fun! Great community and lots of options.
Source: Google
Michael Lee
★ 5
One of the best all around fitness gym I have ever been in 👍🏾
Source: Google
Anne Lee
★ 5
I really enjoy working out at Cerus - staff is so welcoming, always available to chat or help you out! Lots of equipment for any kind of workout and the members are open and friendly. Just a great vibe!
Source: Google
destanie rocha
★ 5
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T Mac
★ 5
Amazing place.
Source: Google
Philip Winterland
★ 5
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Joslyn Au
★ 5
I joined Cerus Fitness on a whim. I knew that some of my neighbors are part of the Cerus community and I wanted to see what was closer to home. The trainers are amazing, they push you out of your comfort level while maintaining form and preventing injuries.
I've always been interested in CrossFit, but I always had self doubt about my abilities. After my first class, I canceled my old gym membership and signed up with Cerus. My husband has also become a member.
The other reviews are absolutely spot on. This isn't just a gym, it's a community. The owners, trainers and members are all VERY welcoming. If you have any doubt about CrossFit, try out Cerus Fitness
Source: Google
Arielle Smith
★ 5
Cerus is a vibrant hub where fitness meets fun, and community spirit is off the charts!
From the moment I walked in, I was greeted by the friendliest staff who radiated positive energy. They made me feel like part of a big fitness family.
They offer a wide range of classes that cater to every fitness level and interest. Whether you're into high-intensity workouts, cycling, yoga, or boxing, they've got you covered! The instructors are all very passionate about health and make meeting your goals fun! They also have a nutritionist on board to help cover the diet side of things.
Cerus is all about building a strong community. They organize fun events, challenges, and even social gatherings where you can meet like-minded fitness enthusiasts. It's the perfect opportunity to make new friends and cheer each other on!
So, if you're looking for a fitness center that's more than just a place to exercise, this is it!
Source: Google
Jennifer Williams
★ 5
I've been at Cerus for about 3 months now and I'm not exaggerating when I say that it's been life-changing! The facility is top notch, the schedule provides a good variety of classes, coaches are just the right mix of challenging and encouraging, and other members are helpful and supportive. I'm having fun learning new things and meeting new friends. Highly recommend!
Source: Google
Susan Hamilton
★ 5
Great people and place to work out. The trainers and instructors are excellent; staff and members so welcoming. The space is great, there’s plenty of equipment and it’s very high-quality. I encourage people at all fitness levels to check it out.
Source: Google
shahd hani
★ 5
I love this place .. I started with them three months ago and I wished I did that before.. very welcoming environment you can easily fit in and get along with everyone.
Source: Google
Ryan G
★ 5
Cerus Fitness has been awesome to me. Their trainers are exceptional, the overall vibe is great and I have had nothing but good experiences. When I walking, I enter just like Chris Farley enters Letterman's show! I definitely recommend them to my friends and family. I look forward to walking through the doors and always feel amazing when I leave. All the trainers are super nice and take an interest in you no matter what fitness level you’re at. I really like how they gives tips and tricks to get the most out of every workout.
Source: Google
Genevieve Aragon
★ 5
I love this gym! Not only do they have various classes to join the members becoming more then workout partners they become family.
Source: Google
Donna Bezdek
★ 5
I started with Cerus in April 2023. I have been active for years but felt that I needed a change. I was extremely intimidated at first but pleasantly surprised by how the environment was so welcoming & encouraging. I’ve done things that I never thought possible & feel stronger every week. There are so many options of classes & the instructors are great. I appreciate the feedback & suggestions. Regardless of your fitness level this gym will help improve your overall health. I really enjoy the group fitness classes. Highly recommend
Source: Google
Karla Waltman
★ 5
I love Cerus! The instructors are great and always work with me if I need an exercise modification. Other members are welcoming. It is a very hard work out and I walk out feeling accomplished every workout.
Source: Google
Jo Ann Stitman
★ 5
I never thought working out could be so much fun! The classes,and there are many, are fun and as challenging as you want them to be. The trainers are personable and very interactive. I highly recommended this gym. At least come in for the initial free class and see for yourself.
Source: Google
Lindsey Sampier Baker
★ 5
The people at Cerus are awesome! I've finally found a gym I love and where I feel I fit in, even as a beginner!
Source: Google
SamW
★ 5
Cerus Fitness is the place to be! I researched places around the area and I’m so glad I chose to go with Cerus. The group classes are my fav and it’s worth every penny. All the trainers are over the top nice and approachable if you ever have any questions and always super encouraging. Not only has it helped improve my physical health but mentally I feel so much better than my first day going in. It’s the best part of my day! Do not sleep on Cerus! Highly recommend!
Source: Google
Joshua H
★ 5
There's a lot to like about this place! I appreciate that the community is positive and diverse. The staff are always willing to go the extra mile to deliver excellent service. I can't wait to see how our future evolves!
Source: Google
Kimberly Wroblewski
★ 5
Yasi is the absolute best yoga teacher around! Her passion, expertise, and straightforward approach provide the perfect blend of physicality and mindfulness in an inclusive environment where students of all levels thrive. I wholeheartedly recommend Yasi's classes to anyone seeking a wonderful yoga experience.
If you're looking for an exceptional fitness experience that goes beyond yoga, the gym instructors at Cerus Fitness are absolutely fantastic, ensuring an amazing journey for anyone who steps through their doors.
Source: Google
Kara S
★ 5
Great gym, great people! There is something for everyone!
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Maegan Dolloff
★ 5
Cerus is great! Very supportive to everyone and their specific goals and needs.
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Nick Peret
★ 5
Awesome facility and workout classes! I just came for my first boxing class and was very impressed! Tough workout, fun group of people, and unique facility with lots to offer! Highly recommend!
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Dawn Whalen
★ 5
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Patty Michelotti
★ 5
I love the yoga at Cerus fitness!! Also.. all the people and the owners are so encouraging and they really help you!
Source: Google
Scott Lowry
★ 5
Awesome place to workout. The staff is always there to help and make you feel at home. The gym members are some of the best people. Glad I joined.
Source: Google
Sheryl Coloroso
★ 5
Great instructors and workout space!
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Patrick Roumayah
★ 5
Have been going here for the last 4 months or so, it has been a blast. Good availability of free weights, cardio machines, and just stellar classes.
Source: Google
Amber Ballentine
★ 5
I cannot get enough of this place! The classes and coaching is top- notch. I love fitness, but have gotten bored with my routines- that is until until I visited Cerus. The workouts change daily/weekly, which is great for someone who has plateaued and wants to mix it up. I'm just sorry I didn't start with Cerus sooner, but am looking forward to my continued progress! Sign up for a free class; you won't be sorry!
Source: Google
Jennifer Landry
★ 5
After taking advantage of a 7-day free trial, I happily signed up to join this welcoming gym! The trainers are attentive, the workouts have variety, the yoga instructors are fantastic. Also, the class schedule is fantastic and accommodating for a full-time working people, which is not as common as you would think. I would highly recommend them to anyone.
Source: Google
Scott Carr
★ 5
Great Ownership, Great Team, Great Environment!
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Trevor Parmenter
★ 5
Great instructors, great facility!
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Searien
★ 5
A couple weeks back into my journey. Really enjoying the Cerus Fitness community. I'm having fun at the gym again. Mid-40s, and I sit at a desk for too much of my work day, so having the ability to combine lifting weights and movement, and compound lifts are really important for my overall physical health and mental well-being. I get all of that and more at Cerus.
Source: Google
Tara Brinkman
★ 5
Cerus Fitness is the best! The people and the environment are so welcoming and including. The instructors and owners aim to know everyone’s name and are incredibly kind and helpful. It is a great place for all fitness levels!
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Sophia Reamsnyder
★ 5
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Jeremy Mietus
★ 5
This is a great place to work out and join a community will help you meet your fitness goals.
Source: Google
Stephan Bunch
★ 5
Great gym with an array of classes, coaches and ability levels! Definitely get a positive sense of community and support here. I can't recommend enough!
Source: Google
Adam Haid
★ 5
Great gym with a fantastic community! Lots of options for different workouts, either guided by a coach or during open gym hours. Pricing is reasonable. Not a crossfit gym (hence the lower price). But you will find similar workouts to CXF if you're looking for them.
Source: Google
Tom Carter
★ 5
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Sharon Zivi
★ 5
The coaches all are very attentive to form and take the time for each individual who needs a bit more one on one instruction.
Thanks guys..your teaching model made me a member!!
Sharon
Source: Google
Wade Loney
★ 5
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Chris Young
★ 5
I have been an athlete for most of my life, but never thought of myself as a gym person until I found Cerus. The trainers (Especially, somehow, all of them!) are knowledgeable, attentive, and welcoming. The gym is clean and well equipped. I haven't even talked about the best part, the community: super welcoming regardless if you are just starting out, have been away for a while, are kicking butt, or the tip top of your game. I will keep going back.
Source: Google
Gracie Loves You
★ 5
Thought your logo was a green uterus while I was driving by. Anyway, great job!
Source: Google
Amy
★ 5
Cerus is an absolute gem. I don’t know how they’ve done it but they’ve managed to find some of the nicest coaches and members. The classes are numerous, always interesting, and most importantly fun. I’ve seen vast improvements in my strength and endurance since starting here November 2021 that have carried over into the cycling I do.
If you’re into working out on your own they have damn near every kind of equipment you could need. Also the gym has showers. Easily 5 stars.
Source: Google
Dave Warfel
★ 5
I found Cerus through a friend in January 2022. I had just moved on from my old CrossFit gym, was coming out of COVID, and looking for a community to work out with. I can't stand working out alone.
Cerus welcomed me with open arms. The owner goes out of his way to introduce himself to everyone. The instructors are knowledgeable and make class FUN. And the people that come in and out of that place all day are kind, funny, fit, and just a blast to be around. Most days, I spend way more time in there than I should.
They also host awesome events. Team & partner events, solo competitions, obstacle course races, land-based triathlons... and they're all a blast.
They're open all day for open gym, and have a ton of equipment to do just about anything. Even if you wanted to work on your ninja skills, you can do that too. There's something for everyone.
Source: Google
Ali Galbraith
★ 5
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flor hernandez
★ 5
Great atmosphere, everyone has an awesome vibe fun exercise and everyone is always willing to help out!
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Miguel Peralta
★ 5
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Georgia Snodgrass
★ 5
I could never push myself this hard. That’s what keeps me coming back. That and the amazing community!
Source: Google
Linda Wright
★ 5
This gym is outstanding! There is a large variety of equipment and tools to utilize along your path to fitness. The people who workout at Cerus are very friendly and encouraging, which has not typically been my experience in the past with gyms. I have been working with Jason as my trainer and he knows how to challenge me, keep me engaged and help me enjoy workouts, this from a person who has a love/hate relationship with exercise. I really love everything about Cerus!
Source: Google
Bryant Walkinshaw
★ 5
Great place with a very welcoming community!
Source: Google
Jeremiah Davis
★ 5
When I first found this place I was beyond skeptical. I don't do crossfit I'm not into that, I assumed it was just another large gym with that bro mentality. That could not be farther from the truth. This place is incredible!!!! I go and take advantage of the personal trainer aspect. It is super low pressure no contracts and they really care about and your journey. The owner is a great guy and makes it a point to know the people in his gym. He is interactive and he REMEMBERS you. My trainer Jason is very communicative and involved in my training. I see him once a week and the days I don't see him I still hear from him and get a personalized training plan for the day!! There are not enough good things to say about this place and the staff.
Source: Google
Krista Trantina
★ 5
I can’t say enough about how exceptional Cerus fitness is. The gym itself has everything and then some for all your fitness needs. From the beginner to the extremest they got you covered. With all that said the staff is what really makes this place. They make it fun for all. Chris makes you feel right at home and is always available for any questions or advice you might need. Jason is the personal trainer i have been working with, he has inspired and motivated me to get on the right track and now I’m crushing my personal goals all thanks to him. With a ton of options around I choose to drive 40 minutes for Cerus fitness and it is worth every gallon of gas. Highly recommend!!!!
Source: Google
Jess Shvedov
★ 5
Cerus is the best gym in Denver! They offer equipment and training for obstacle racing, strength based, boxing, conditioning.. and have such a fun family like community.
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Matthew Lenzner
★ 5
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Tyler Bishop
★ 5
The best gym around PERIOD. From the ownership to the staff to the members, everyone is encouraging, friendly, and motivating. I am a lifer!
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Patricia Armijo
★ 5
Great coaches and trainers. My husband and I felt welcome from day one. Such a wonderful community of fellow athletes.
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Caylee Sprague
★ 5
The BEST gym you’ll find in the area! The facilities are fantastic and you can’t beat the community!
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Sukanlaya Simon
★ 5
Friendly community with amazing workout weekly. Definitely recommend.
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JT
★ 5
Great classes for high intensity cardio. Rich is a fun and motivating instructor.
Source: Google
Megan Allbrook
★ 5
Working out with personal trainer, Jason Crutchfield, has been absolutely transformational for me both mentally and physically. Jason is motivating, encouraging, knowledgeable, and an all around incredible person. I’ve taken my fitness to the next level with Jason’s guidance and Cerus fitness has been a great, community-based, friendly, non-judgmental place to workout. I highly recommend hiring Jason Crutchfield as a personal trainer, Dana Eshelman as a your registered dietician, and Cerus fitness as your gym! Cerus is a standout place to work out and get into the best shape of your life. 🤩
Source: Google
BO
★ 5
Source: Google
Phyllis Burley
★ 5
Cerus Fitness is a great gym. The trainers are excellent, the workouts are amazing and challenging and it feels like family there. Everyone is friendly and willing to help you and everyone is very positive and encouraging. I would highly recommend Cerus if ou’re looking for a place to work out.
Source: Google
Kearstin McCarty
★ 5
I absolutely love Cerus fitness! I take the classes and it's nice to get an effective workout done within an hour. The location is also convenient to the Frederick/Erie area as there aren't many gyms around on highway 52 and i25. I highly recommend them no matter your fitness level as they accommodate to everyone!
Source: Google
Tashina Miller
★ 5
My husband and I are loving this new gym! We love that we are able to come after work and get a great workout!! Everyone who works there is amazing and so helpful!! The classes I have been to are so much fun and are such a good challenge. I’m so glad we found our new gym!!!
Source: Google
Vivian Junger
★ 5
I've been very disciplined with my exercise routine but for a few reasons I got off the tracks and was looking for a gym that would have everything I needed. I find Cerus perfect for my new routine. It's complete in gym equipment, has flexible hours, great staff professionals, family environment and open hours gym when I can not make the classes which is perfect for what I needed. I could not make to classes at other gyms neither could I show up when I was able to. Cerus is a must try, I'm sure whoever tries will stay.
Source: Google
Lewis Bromer
★ 5
I can only speak to the facility as I chose the membership with access to it only as of now due to work commitments. This facility is quite impressive. It has plenty of room for classes to operate and individuals to work out. Plenty of equipment for various styles of training (powerlifting, body building and CrossFit). I have watched some of the classes and the coaches seem to handle the sizes very well and know how to technically teach form. I appreciate that with my coaching background. I would recommend this to anyone looking for a community of classes or just a place to get a WOD in. Also, great customer service!
Source: Google
Rose Wetzel
★ 5
Cerus rocks! It’s a great community gym with unique obstacles, cool people, and good music. I always leave with good vibes!
Source: Google
Michael Hawn
★ 5
Great nontraditional gym, the place is clean and has lots of space and lots of weights and racks as well as echo bikes and concept 2 rowers and ski trainers. the staff are friendly and very helpful, and the other patrons are awesome.
Source: Google
Jerry Cos
★ 5
Source: Google
L.
★ 5
Awesome gym and awesome people 💪
Source: Google
Ted Downey
★ 5
Source: Google
Brenna Butler
★ 5
Cerus Fitness is amazing. Every aspect: responsive management, positive coaches, well-equipped facility, varied classes, supportive community, killer obstacle races, high quality merchandise... all of it. This is truly a gym community for everyone.
Source: Google
Henry Kitlowski
★ 5
You want to workout in a friendly environment where all the members and coaches act like one big family come join Cerus Fitness. Everything from HIIT to Personal Training is offered here at Cerus Fitness. You can enter the gym knowing that all of the coaches are top of the line with years of experience in the fitness industry
Source: Google
Justin Appleby
★ 5
Awesome variety of classes and phenomenal amount of space, with state-of-the-art equipment. I love the turf area, which facilitates a wide variety of modes of training.
Also, the coaches are friendly and have high expertise and enthusiasm. I live in Boulder which means it is about 30 minutes away. I don't always make time for the trip, but I am always pleased when I do!
Source: Google
Monica Korber
★ 5
Amazing gym, for all ages and workout routines, classes, professional one on ones, and community!
Source: Google
Deb Kuiper
★ 5
Love this place! Great ppl and great workouts, classes, and obstacles!
Source: Google
Mat D
★ 5
Awesome gym with great coaches and community. They have anything you could want and the classes are great!
Source: Google
Megan Job
★ 5
I have been apart of the Cerus Gym since they first opened. I absolutely love the positivity from everyone there. They have pushed me to try things I never through could be possible. I could not ask for a more well rounded gym to be apart of. They have the awesome small community vide with the big gym feel.
Source: Google
Levi Adrian
★ 5
Cerus is easily the best gym I’ve ever been a member of. The staff is extremely friendly and Chris and Rich take personal interest in each member, which is impressive for how large their membership base is. It’s awesome to show up and be greeted by name.
The gym itself has top-notch equipment and trainers. I was originally intrigued because of their expertise in Obstacle course racing and thought it would be an excellent way to shake up my workouts. I was right! It was shocking how many different types of classes they had - from boxing to HIIT to OCR. They also run specific classes to increase your speed, stamina, or strength. The versatility of this gym is unmatched if you’re looking to up your overall fitness (and have fun while doing it).
I’ve thoroughly enjoyed going here and have made friends along the way. The Cherry on the top is for all they offer, their membership prices are easily half of what most crossfit gyms, as well as orange theory and F45 charge.
If you’re interested in finding a new gym, do your self a favor and check out Cerus Fitness!
Source: Google
Dominic Cardenas
★ 5
Great environment for anyone trying to start, maintain, or take their fitness journey to the next level! The staff and facility are what set Cerus apart from the other gyms.
Source: Google
Jeff Keil
★ 5
Just a solid gym all around. Great instructors that are knowledgeable and fun. Fellow athletes are encouraging and nice. A great space that organized with clean equipment that looks like new. Class sizes are great as well- not over crowded.
Source: Google
Casey Sherman
★ 5
This place, and the people who run it, are MAGICAL! I was blown away by the facility and the variety of group classes that Cerus Fitness has. If Cross-fit, Ninja Warrior, and MMA gyms had a baby, CERUS FITNESS WOULD BE THEIR LOVE CHILD!
Source: Google
Chris Hansen
★ 5
Everyone has been very friendly within a group trying
to achieve the same goals. Staff is more knowledgeable than any regular fitness gym.
Source: Google
Schaeffer Cox
★ 5
This is the best gym I’ve ever been to and I’ve been to a lot of gyms in different states. I’ve seen more progress in a shorter time. The trainers know how to personalize a program to get the results I’ve been looking for. Thank you! ~Angela Clemons
Source: Google
Taylor Overmiller
★ 5
Not only is Cerus a state-of-the-art one stop shop to cover your training bases, it also has the invaluable benefit of having competitive athletes on staff who know how to guide others towards top performance through personal experience. PLUS Cerus hosts it’s own unique and highly organized variety of fun events throughout the year to keep trainees engaged and in constant pursuit of that next goal. Obstacle training, functional fitness, boxing, spin class…Cerus Fitness is well worth the trip.
Source: Google
Nate Clarke
★ 5
Cerus Fitness is your go to for all things fitness, boxing and excellent OCR training! Highly recommended for anyone interested in pursuing their fitness journey 👊👊
Source: Google
Jessica Franz
★ 5
Cerus is my happy place. They have so many options with a variety of workout classes, obstacle training, boxing, and a giant selection of weights and equipment. The coaches and ownership bring so much knowledge, motivation, energy and fun to this place. The members come from all ability levels and have created a very welcoming and supportive community. I never leave a HIIT or boxing class without a huge sweat session and a giant smile. If you’re on the fence about joining, just get in for a workout and experience this awesomeness yourself.
Source: Google
Adam van Deutekom (Duder.tattoo)
★ 5
Very friendly staff, plenty of classes available for whatever you are looking for. Massive open gym if you just want to run, row, bike, lift, anything. Clean and definitely building up a community that is welcoming!
Source: Google
calvin bergman
★ 5
Source: Google
Quentin Parham
★ 5
Cerus Fitness is the best gym in Colorado by a country mile. I have only recently discovered this gem through a friend and the place is world class not just the facilities and classes but also the people and that’s why I will continue to drive a hour and a half to Cerus because it’s more than a gym it’s a family
Source: Google
Nicole Woods
★ 5
Cerus has definitely raised the bar and expectation I have on what a gym should be. This place offers the BEST training, community, and facility in the area, hands down. I was on the hunt for a gym this past year and I had heard a little bit about Cerus Fitness, but due to my school and work schedule I couldn't check it out just yet. In the time being before I started going to Cerus, I lifted at another mediocre gym that had okay equipment and facilities, but it was definitely lacking the community aspect I needed to really push myself physically and become even more focused on my fitness and health. One day I bumped into the owner of Cerus Fitness, Chris, and I decided it was time to check this place out. After trying out a boxing class this past summer at Cerus, I became absolutely HOOKED on this gym - I've never felt more encouraged, welcomed, and safe in a gym before. The people are amazing and the environment is great. Even if you're the kind of person to just pop your earbuds in and get a quick lift in with little interest in socializing - this place is wonderful: excellent equipment, space, experienced trainers and staff, body scanning technology, etc. I recommend getting a membership tier where you can enjoy the variety of fitness classes they offer: yoga, cycling, boxing, HITT, and lift classes. Definitely check this place out!
Source: Google
Jeffrey Job
★ 5
New gym in Frederick with a different spin, more OCR & CrossFit type focus, lots of classes, friendly staff, so glad they opened near my house!
Source: Google
Adam Pollard
★ 5
I have been an OCR (obstacle course racer) for about five years. I participated in Cerus OCR races from almost its infancy. It has grown to a challenging, fun and competitive race. When Cerus opened its gym in 2020, we were looking for a COVID conscious/safe gym. I was also looking for a gym that had CrossFit style workouts, barbell workouts/ classes and offered OCR training. Cerus was it! It offered me everything I was looking for and that is hard to find. They also hire certified trainers to ensure people are lifting properly and safely. They community they have built is nothing but positive and competitive people. They have multiple ways of interacting with their members online from Facebook to Instagram. They also started Cerus Squad for information about upcoming events, fun trivia or training tips.
Source: Google
Ashley P
★ 5
I love Cerus! We moved to Frederick about a year ago and I’m so glad we found Cerus. I recently started taking my health really serious and I’m on a weight loss/health journey. They really make you feel like apart of their family and are so supportive. If I ever need help or advice I know I can always ask Chris or Rich. I look forward to my time spent there and I don’t see that changing anytime soon. Thank you for being awesome Cerus!
Source: Google
Ted Kielley
★ 5
Did a couple walk-ins while traveling, very impressed!
The perfect gym if you come from an Olympic lifting, crossfit, and obstacle course racing background... lots of many options from hiit, speed training, boxing, lifting, and just all around working out.
if I end up resettling in the area this will be my home away from home!!
Source: Google
Jason Boker
★ 5
This is a great gym and great community. The coaches are very helpful and the classes are on point. The equipment is in good repair and there is equipment, classes, and agility rigs for all levels. I feel challenged to meet my goals each time I visit. If you want a challenge and if you want to grow while having fun, I highly recommend Cerus Fitness.
Source: Google
Jessica Pollard
★ 5
Cerus Fitness was everything I was looking for in a gym and so much more. My husband started racing with Cerus OCR races, which are top notch. I am not an OCR (Obstacle Course Race) athlete. I love lifting, Hiit, cycle, and strength training. This gym combined the best of both worlds for my husband and I. I was a little nervous in signing up for Hiit classes, as I was worried I would be the slow one or the last to finish, or the bigger person in class, especially coming from a powerlifting background. These fears were quickly put to rest by the coaches and members! Everyone is so positive, encouraging, fun and enthusiastic about fitness and being apart of a community. There isn’t judgement, just encouragement and pushing yourself to the best of your ability, while teaching proper form and technique. The variety of classes at Cerus has allowed me to have one gym membership that encompasses all my fitness needs. I have met some wonderful people and made some awesome friends at Cerus!
Source: Google
Desiree Garside
★ 5
If you need or want assistance with focus and inspiration while meeting your goals and huge, genuine, celebration when they are met....It looks like CERUS are your people.
Source: Google
Mandi Ryan
★ 5
Source: Google
Megan O'Brien
★ 5
Cerus Fitness is a fantastic facilities with great coaches, staff and owners. I always feel like part of the community there, plus they always are planning new and exciting events. The equipment is fantastic as well! In addition to traditional equipment like treadmills, weights, ergs, etc., they have amazing obstacle racing rigs that are always changing for a new challenge! Highly recommend!
Source: Google
lyal stephen
★ 5
This is the playground we always wanted as kids! Its a its 5 star operation with the coaches all willing to assist in every facet to help you succeed in you fitness goals. Then with them throwing on events to have both in and out of the gym its the whole package one could ever wish for.
Source: Google
Tony Klitch
★ 5
This is a really innovative company and health movement. They have something to offer for everyone be it weight lifting, running, boxing, obstacle course racing, CrossFit, cycling, yoga, nutrition, functional fitness, and so much more. I’m always greeted from the friendly staff and feel at home. The facility is clean and they have the best equipment. The trainers are great people that truly want to see the members progress to their goals.
Their races are open to all levels, family friendly, and provide great competition.
I highly recommend everything that Cerus Fitness has to offer.
Source: Google
Jessica Miller
★ 5
Rich and Chris are simply the best! Stepping out of my comfort zone is never easy but they know how to motivate and encourage me. They are knowledgeable and put your safety first. The classes are great and there are so many new things to try from rigs to equipment. It never feels boring or routine.This is my favorite place to workout! Highly recommend.
Source: Google
Lauren Williams
★ 5
A great environment for every fitness level where trainers, coaches and members alike all support and encourage one another to grow and achieve goals, no matter how big or how small. Classes are varied and dynamic to support the needs of anyone looking to continue on their fitness journey. Cerus and it's wonderful community have helped me find fun in fitness again and, it has been an inspiring place where I've tried and accomplished things I never thought were possible for me.
Source: Google
Bianca Cerreta
★ 5
Cerus is by far the best gym I have ever gone to. Chris, Rich, Steve, and other incredible coaches are always there to inspire people to be their absolute best. Not only are the coaches amazing, but the members are also some of the most remarkable people I have ever met. The atmosphere is so welcoming that you'll find yourself hanging out longer than the classes! This gym has become my second family, and I am so grateful for all the positive experiences I have had so far and cannot wait to continue to see this community grow.
Source: Google
Lori Thomas
★ 5
I absolutely love this place! I’m not an obstacle course racer but it doesn’t matter. There are so many classes and they’re different every time. I love the variety because it keeps me interested. Chris, Rich, Steve and Henry (the trainers I’ve worked with) are fun, funny, smart and they care! I’ve made some pretty awesome friends here. Plus I can say I work out 4 to 5 times a week. Not bad for 53 💪🏼
Source: Google
Jacob “SteadyHand”
★ 5
Excellent Community and Leadership
Source: Google
Russ M
★ 5
Source: Google
Rebecca Hammond
★ 5
Best gym for OCR training, Hyrox training, and just plain getting fit while having a blast! Fun and tricky rigs, all the equipment you need for CrossFit/Hyrox workouts 👌
Source: Google
sean edwards
★ 5
Source: Google
Kelly Rahn
★ 5
Great gym, a genius hybrid of a regular gym, cross-fit style box, boxing gym, and Spartan race training center all combined into one. Privately owned and has a cool family vibe.
Source: Google
Néstor Bravo
★ 5
Greatest place to work out and build community.
The owner and his staff are the most personable, friendly and professional people.
The place is huge, very well organized and safe to use during COVID-19.
There are plenty of opportunities for you to challenge yourself, no matter whether you are a beginner or a professional athlete.
This is not only a gym, it is also a super cool community.
I highly recommend it!!!
Source: Google
Karissa Johnson
★ 5
Everyone is super nice and non judgmental . The gym is always clean and has a lot of space to work out in. It also has everything we want and need from a gym. It has become mine and my husband favorite place.
Source: Google
Hiromy Pfosi
★ 5
Fantastic new OCR gym with state of the art equipment, an array of fitness classes to fit a wide spectrum of interests and training, great staff and a lounge area to relax after a tough workout. They have also contracted with some OCR talent so to be able to train with these people is amazing! Very reasonably priced membership plans/options and a very accessible location. They also have put on and have plans to continue to put on interesting events that are both challenging and fun. For me, it's barely a 20min drive so it's my new place to play! Definitely come in and check it out, it's so great to have an OCR facility to train at again!
Source: Google
Karen Reinhold
★ 5
Wonderful Gym, great trainers, and love going there on a daily basis. I like being able to build relationships, not just about building strength and fitness 🏋️♀️.
It helps me to more training with others I know.
Rich is the main trainer I’ve experienced, and he’s amazing 🤩
Source: Google
Troy Jones
★ 5
I was fortunate enough to start with Cerus Fitness from the beginning and I couldn't be happier. This is the second time I have been able to be a part of a new gym and this experience has been just as good if not better than the first. I had been doing CrossFit for several years but now that I'm older, the strain on the old bones just couldn't take it. The workouts I've gotten so far with Cerus Fitness with Chris, Rich and Rea have been nothing short of phenomenal. I haven't felt this good in years. Thank you guys for allowing me to be a part of the family.
Source: Google
Ivan Lopez
★ 5
I have been coming to this gym a month. OCR was what I wanted to learn and my progress has been amazing ;-) The amazing teachers showed me the techniques to climb the rope, to progress in the monkey bars, jump a wall... The lesson are always fun and I can't be happier
Source: Google
Gary Smith
★ 5
Source: Google
Hayley Goodstein
★ 5
Great setup. Awesome staff. Elite, world-class athlete seminars. Fun and challenging atmosphere. Looking forward to some of the competitive series Brix events coming up.
Source: Google
Zach Sullivan
★ 5
Lots of great new equipment, open space feel, awesome coaches and lots of membership options!!
Source: Google
Jenny Hutson
★ 5
What a beautiful facility! The staff is friendly, professional, and helpful. Every piece of equipment in the gym is top-notch, state-of-the-art and I can't wait to use it all!
I have participated in multiple OCR events that Cerus has put on and they are always amazing. Challenging obstacles, great atmosphere, and just a wonderful experience overall. If Cerus is doing something, I will gladly be there to be a part of it.
Source: Google
Alicia Ocasio
★ 5
Cerus Fitness is for everyone! Tall, short, male, female, under weight, over weight, competitive, or first timer! Amazing community and unique obstacles! What are you waiting for :-)
Source: Google
Steve Gaborik
★ 5
Cerus Fitness is amazing. The diversity of the company provides individuals and athletes so many opportunities. From their 2 OCR races they host each year, to the active and engaging online community, and great fitness equipment and apparel. Feels like they pretty much do it all. And they are constantly innovating and providing new offerings all the time. This year they announced a new series of events called Cerus Forge. This is in addition to the races they put on and several free workouts hosted by their Pro Team. And CerusLFT offers personal training and workouts for a very reasonable price. They have some amazing partners as well including Hylete for some of the athletic clothes and Legion Athletics for high end supplements. And the people are one of the best parts. Everyone that is involved loves and cares for the company. You won't find better support or service as everything is done to ensure the customer is treated in the best way possible!
Source: Google
Steve Croissant
★ 5
I can't say enough good things about Cerus. Their obstacle course races are hands down the best events out there. They are challenging, innovative and fun. Their gear whether it's shirts, running tights or anything else is top quality. Chris and Jamie Johnson are great people who take an honest interest in their Cerus family.
Source: Google