CrossFit Mafia | Best CrossFit Gym in Erie

Erie, 3000 Airport Dr Building 502 A, Erie, CO 80516 | ★ 4.9 (144 Review)

📞 +1 720-817-0544

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Gym Nutritionist Personal trainer

About the Club

The best CrossFit Community in North Denver with the largest gym in Erie. Let us help you meet your Fitness Goals.
We offer Personal Training , Nutrition Coaching, and Group Classes.

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 CrossFit Mafia | Best CrossFit Gym in Erie
 CrossFit Mafia | Best CrossFit Gym in Erie
 CrossFit Mafia | Best CrossFit Gym in Erie
 CrossFit Mafia | Best CrossFit Gym in Erie

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Reviews

Joe Lamanna

★ 5

We really enjoyed the workout for Thanksgiving this morning! The session was perfectly timed and balanced - just the right mix of challenging movements and team spirit to make the holiday feel special. And especially the people! The gym community at CrossFit Mafia is genuinely welcoming and supportive; everyone was encouraging each other, sharing smiles, and celebrating each other's effort throughout the class.

You have such a great gym community, and that made attending classes feel less like a workout and more like being part of something fun and motivating. We also really enjoyed attending classes at the gym when we can - the variety in workouts keeps things fresh, and the coaches always make sure each movement is done safely and effectively.

And the music!!! The playlist was spot on with energetic, motivating tracks that kept us pushing through the toughest parts of the workout. It’s clear someone puts thought into matching the music to the pace of the exercises, which made a big difference in keeping the energy high.

We wish we lived closer so we could attend more frequently and be part of this lively atmosphere every week! Thank you for having us and making the holiday workout something to look forward to.

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Chris Roberts

★ 5

Great coaches, great people great facility, highly recommend

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Brian Shelton

★ 5

James is a great patient teacher and brings motivating energy to every session!

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Donaven Pierce

★ 1

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Jolene Torres

★ 5

I visited this CrossFit when I was in town and enjoyed the atmosphere and the friendly environment. The gym was clean and the coach Andrea was encouraging and supportive.

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Jessemyn Pence

★ 5

Brian is very detail oriented coach and I loved his warm up! He is also super welcoming and made sure we had everything we needed to have a good workout :)

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Daniel Fiallo - CDPS

★ 5

Coach Heather crushed it at Mafia this morning! Her clear instructions, feedback, and positive energy made a challenging workout fun. Great job!

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Mary Pezzulo

★ 5

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Yajaira Pallares

★ 5

Brentnie Kincaid is one of the best coaches she always worries about our injuries and always has a backup, improves and help to do the best workout!

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Dr. Joseph S. Arvay DC

★ 5

This place is full of great people! Today's class was awesome. Coach Heather is an amazing coach. I love my CrossFit Mafia family.

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S R

★ 5

Great CrossFit place with amazing coaches and a very welcoming community

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Phil Winterbourne

★ 5

I want to give a shout out to Coach Christina at Mafia. There is lots to like about Coach Christina. The first thing you notice is the joy she brings to the gym. Great energy! She’s knowledgeable about the work and demonstrates each movement expertly. Christina works with you where you are that day, which not only makes the workout safe, but effective as well.
And a word about the gym. I’ve been a member for 2 years. Started when I turned 70. It’s a great community. The gym is well equipped and always well maintained. The coaching staff is top notch. Welcoming to everyone from the kids to the graybeards like me. If you are looking for a home in the fitness world check it out. Make the investment in your health. It is the best investment you’ll ever make.

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Todd Baer

★ 5

James was excellent in demonstrating each of the movements and taking us through doing them properly. He is always encouraging to the students in the class.

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Kyna Williams

★ 5

Dropped in at the 5:30a with James today. Not only was the entire class welcoming, engaging and funny (not to mention strong AF), James made me feel incredibly welcomed. The warmup was really effective, and the cues James gave pushed me to be aware of my body during the power cleans. In addition, I appreciated how James gave cues to the class, not yelling and calling them out, but by their side, thoughtfully and effectively. Not to mention he’s funny and engaging and just led a really positive and fun class.

It’s obvious the incredible culture that exists at Mafia - I can’t wait to come back.

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Kevin Beades

★ 5

Enjoyed the class a lot, instructions were clear and the environment was friendly!

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Maria Hays

★ 5

Heather was great today. Very patient and explained everything well. I was super sore and our warm up loosened me up for the workout!

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cindy and chris smith

★ 5

Love the CrossFit mafia

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Aaron Burnett

★ 5

Has everything a CrossFit gym needs including a friendly and inviting atmosphere , and a knowledgeable staff.

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Celene M

★ 5

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EMRE GECGEL

★ 5

I attended as a guest athlete for their 6:30 class. Coach James were really friendly, talkative and helpful as well as other members. Coaching I received was exceptional. Facility was so clean and neat. I thank Crossfit Mafia family to made me feel like I am home. I look forward to my next visit.

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Dan Fiallo

★ 5

Great gym with awesome people!!

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Arpit Agarwal

★ 5

Brentnie is an amazing coach. She onboarded me as well. The class was good and she kept checking in on me.

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Chris Kelley

★ 5

I moved to the area recently and was looking for a new gym. I found Crossfit Mafia and knew it was the gym for me immediately. The community was very welcoming and the coaches are wonderful. They are incredibly knowledgeable and spend the time to ensure that all of the movements are being performed properly. The workouts are varied and I appreciate how every workout can be scaled to your skill level. I have gotten closer to performing some of these movements than I ever expected because of the scaling options available. I would highly recommend Crossfit Mafia to anyone, whether you are new to Crossfit, or have been doing it for years.

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D S

★ 5

My peeps love it here.

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Janine Jones

★ 5

My experience with CrossFit Mafia is nothing short of amazing. From the moment I arrived, I was warmly welcomed by the owners and coaches and enveloped in an enthusiastic, friendly atmosphere. Each class I have participated in was expertly performed, leaving me feeling excited to come back for the next class and more confident in my abilities. The attention to detail and commitment to providing expert coaching and personalized experience to your skill level and injuries makes CrossFit Mafia my go-to gym for fitness and self-care. Oh, and my dog gets to come, too!

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Mollie Browne

★ 5

I always feel welcomed, even though I’m not an official member. Coaches check in and catch up with me every time and are genuinely kind and ensure my experience is good with the workout and gym. Brentnie’s energy while reviewing the workout and during is great. I appreciate the structure and seriousness brought to the workout when it’s time.

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Carma Ferri

★ 5

Brian was awesome!! This was my second visit to Mafia Crossfit and I felt supported and connected. Brian helped me find success in the areas I was struggling with and encouraged me through the entire class. 🙏 The people were welcoming and supportive!

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Scott Hanson

★ 5

Good deliberate warm up and lead in to the wod. Nice progression demos so everyone could scale with practice reps.

I’m accustomed to having a lifting/strength portion so for me that was unusual but every gym is different. It was nice to not be rushed

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Gibranna LaCava

★ 5

I LOVE CrossFit Mafia! It’s immaculately maintained, you could eat off the floors. They have great equipment and best coaching. Brentnie is an excellent coach and really pays attention to athletes and makes sure they are doing the movements safely. It’s challenging but welcoming. Great crowd. Nothing but great things to say about CrossFit Mafia!

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Dan Helmick

★ 5

Big class today to start of Bring A Friend week. Brentie was still able to get around to everyone and give us individualized suggestions for improvements. I really appreciate her feedback because she's able to provide different cues while waiting for one of them to click in my brain and body.

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Natalia Martinez

★ 5

Absolutely LOVE Crossfit Mafia! The coaches are exceptional—dedicated to proper warm-ups, cool-downs, and, most importantly, ensuring you maintain correct form to prevent injury. The workouts are fun yet challenging, and the coaches and community consistently push you to achieve goals you never thought possible. The atmosphere is unmatched—everyone welcomes you with open arms and cheers you on every step of the way. I never imagined I’d be excited to wake up at 5:30 a.m. for a workout, but Crossfit Mafia has made it happen!

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Scott Burns

★ 5

Coach Dave and Jen were great as always!

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Kelli Lynn

★ 5

Wonderful gym, friendly community, great programming and coaching! Love how clean and organized it is and how welcoming everyone was.

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Toran H

★ 5

Such an incredible gym to be involved with. They will absolutely kick your butt in the best way!

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Brianna Hutchison

★ 5

Love this gym!

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Jocelyn Doxsey

★ 5

Great CrossFit gym- amazing facilities, great coaches (Offering feedback and scaling options), and wonderful community. I’ll be back!!

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Rachel Maynes

★ 5

Been a member for ~1 month. Never done CrossFit before. Everyone is really supportive and encouraging. Coaches are extremely patient and quick to make adjustments as needed, which I greatly appreciate.

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Jon Moller

★ 5

What separates a good gym from a great gym? Great coaches. The coaches here are the best of the best and will, no doubt, help you reach your goals. If you want results, choose CrossFit Mafia.

Other Benefits:
Owner is passionate and involved in every aspect of the business.
Members are incredibly friendly.
Facility is neat and clean.
Location is convenient.

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Peggy Moore

★ 5

Dave is always so very good at making sure we are doing the exercises correctly, & doing our best. He is very helpful & encouraging.

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Widge Stamback

★ 5

Joined CrossFit Mafia after five years in CrossFit. The experience has been reinvigorating particularly with the vitality class. All the coaches I have encountered have been outstanding with detail to form.

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David Stover

★ 5

CrossFit Mafia is the best! Best coaching, best community and best facility! Grateful I found this place - my happy place - 7+ years ago!

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Jason Boyd

★ 4

Cool gym, I get 5 points for leaving a review!

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Lizzie Ouellet

★ 5

I joined Mafia almost 3 years ago when I relocated to the area. I tried out several surrounding gyms but Mafia stood out because of their great coaches. All of the coaches are knowledgeable and highly trained! The gym is also very clean and the equipment is well maintained.

A big part of CrossFit is the community. I had my 2nd baby shortly after joining Mafia and the gym members organized a meal train for me once my baby arrived. I will forever be grateful for all the support and generosity this community showed me. Mafia is so much more than a gym, it's also a wonderful welcoming community.

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Mike Cates

★ 5

Sometimes you wanna go
Where everybody knows your name
And they're always glad you came
You wanna be where you can see (ah-ah)
Our troubles are all the same (ah-ah)
You wanna be where everybody knows your name

As a 50 year old this is usually the only part of my day that doesn’t suck, even though burpees do in fact suck, but what doesn’t kill you makes you stronger;)

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Paige DeVries

★ 5

I’ve been a member for 3 years now and love working out here. The coaches review proper technique and scaling options during every warmup. There’s a huge variety of workouts and a great community of people that help keep me motivated. No matter what prior fitness experience you have, you’ll feel like you belong here.

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Felicia Winterbourne

★ 5

If you want to be a part of the best community to get the best workout possible, then Crossfit Mafia is the place to go! I’ve been a member for 6 years and loved every moment! There is something at Mafia for everyone, not to mention that my entire family enjoys going to the gym and having programs available for every age. The coaches are dedicated and extremely knowledgeable at what they do; simply the best! You will always walk away with a great workout, no matter where you are in your fitness journey! Mafia is family and I urge you to go check them out!

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K

★ 5

CrossFit Mafia! This gym, it’s not just a gym, it’s a community! By far the BEST community I’ve ever experienced. You’re truly family when you come here. The coaches are second to none—they make sure form is correct, they push you to be better and stronger every workout and they know how to DJ! The gym itself is always so clean!
Showers are a big plus too! I highly recommend joining this community!
Thank you CrossFit Mafia!

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Kamaryn Conlin

★ 5

We LOVE CrossFit Mafia! I was very hesitant to join a Crossfit gym, but after my husband kept asking a few months into him starting, I decided to give it a try. I had disqualified myself for Crossfit, telling myself it was “too intense” and I wasn’t ready for something like that but maybe if I started doing something else like working out at home I could work up to trying it… I decided to just jump in and I am so thankful I did! The community at this gym is incredible - the most welcoming and encouraging group of people. The coaches are so knowledgeable and able to truly meet you at your fitness level with scaling or subbing while also encouraging you to get stronger and try new things when you feel ready. I am super thankful for this gym and would highly recommend it!

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Katie Leese

★ 5

Mafia has given me so much. I don't feel like I can write a review that truly expresses that. I started not knowing I would make friends who have become almost family to me. It has given me the routine to make myself not only stronger but mentally happier. I look forward to going to the gym daily to see my friends and push myself farther. It also helped with the physical therapy I have had to do after getting injured last year. The staff made sure to watch my form and check in with me daily to see how the movements were feeling for my knee. The coaches are fun and have a ton of knowledge of what each individual needs to help them in their current state of life. I understand why people call it addictive, the support you get from all the members and staff is like being on a team again, but a team made up of all ages and sizes. They lift you up on a bad day and celebrate you when you succeed.

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Meghan Baarts

★ 5

I have been apart of this community for 5 years. I came in knowing nothing about CrossFit and they met me where I was at. It has been such a wonderful experience with lifelong friends being made along the way. From the owners to the coaching to the people I couldn’t recommend this gym more!

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Raquel Jones

★ 5

Love the CrossFit Mafia community! I’ve been going for over 3 years and I wouldn’t start my day any other way!

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Lauren Willkomm

★ 5

I specifically came back to this gym for the excellent coaches, the great people and community. I love CrossFit Mafia!

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Brandon Blea

★ 5

CrossFit Mafia is such an amazing gym! The facility is clean and everyone is so welcoming. I am so happy I found Mafia and its coaches. Being here has been a huge boost for my confidence and a great way to support my mental and physical health.

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Mike Stamback

★ 5

We just started at Mafia a few months back. Having to start at a new box with a new community and new coaches was stressful, especially with existing back issues that require modifications. What we found was an amazing community and the best coaches we've experienced in our 11+ years of CrossFit. Being here has renewed our love of the sport. If you're looking to get into CrossFit or are a long time vet, this is the place you need to be.

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Trevor Norris

★ 5

I’m returning to CrossFit after a number of years off and CrossFit Mafia is a breath of fresh air. I love the community and the coaches are awesome.

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Brianna Bartholomew

★ 5

CrossFit Mafia is truly an amazing gym! I’ve been a member for 3 years now and I love being apart of such a great community! The coaches are awesome and make it so fun to workout! If you’re looking to join a CrossFit gym this is the one to be apart of! ✨

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Alex Glueckler

★ 5

Such an amazing community and coaching staff--cannot say enough great things about going here!

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Ben Hamlin

★ 5

Phenomenal coaching: check. Competition at any fitness level: check. Focus on CrossFit standards and efficient movements: check. Get in here!

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becky deters

★ 5

Life changing community & support. Coaches are encouraging and supportive with “come where/how you are” in working on individual goals and aspirations. Strongly recommended organization as a whole!

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Wendy Dolan

★ 5

The Best Vitality Program! I started working with the Vitality group after I had neck surgery at age 52. Coach Dave and Coach Jennifer provide a welcoming community to athletes at all levels. They are aware of each athlete's ability and do an amazing job helping each of us scale the workout appropriately so we can improve our fitness and have fun doing it! I'm so glad I had this group to support me as I worked on my recovery! It is inspiring to workout with the Vitality athletes, some aged 80+, as they crush each workout!

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Kailey Geppert

★ 5

A membership at CrossFit Mafia gets you way more than excellent coaching and a great workout. When you are a member at Mafia, you gain access to a community of other members and coaches who are genuinely for you. It is invaluable. Mafia has had a tremendous impact on my family and I and we are forever grateful for Brentnie and Jonathan.

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Joshua Grudle

★ 5

I have spent a fair share of time in CrossFit gyms from traveling drop-ins to being a full time member and CF Mafia is by far the best experience I have had. It is impressive to see the passion and expertise from ever single coach there. They keep it fun all while taking there coaching seriously and making sure all is safe. Having 2 coaches with L4 and one of those is the owner is freaking awesome, shows the passion of the sport!

Bonus - the members are of all ages and skills. Very friendly environment, easy to get a long with anyone.

If you are looking to drop-in or give it a go for the first time this is the gym!!!

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Hope Stamback

★ 5

As a long time Crossfitter, I have experience with a number of boxes in the area. Mafia has blown me away with their exceptional coaching, welcoming community and beautiful facility. We are incredibly grateful to have found Mafia and to have made it our new place.

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BRITTANY thorstensen

★ 5

CrossFit Mafia! I've had an amazing experience at this CrossFit gym. The environment is not only fun but also extremely welcoming – making workouts enjoyable, yet competitive.

The coaching is superb, with knowledgeable coaches guiding us through the program. I have notably increased my fitness levels and gained muscle since joining this gym. The varied and inclusive programs they follow match everyone's needs and contribute to the overall fitness growth of all members.

The gym is also very clean and they are constantly upgrading their equipment.

In summary, an amazing environment, excellent coaching, flexible and inclusive programs, remarkable fitness gains, and a community of great people make this gym a top pick. I couldn't have asked for more from a CrossFit gym.

I would definitely recommend this gym to anyone looking to increase their fitness levels

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Todd Dolan

★ 5

I joined Mafia in 2023 shortly after shoulder surgery and being diagnosed with extreme sleep apnea and type 2 diabetes. I knew I needed help and Mafia was there for me. I started with a few months of person training to build up confidence and then jumped right into the classes. The support of the outstanding coaches and the Mafia family made me feel right at home. In 5 short months, I feel healthier and stronger. So much so, that I participated in the CrossFit Open!! Thank you, Mafia - you just may have saved my life!

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Leyla Ahmadov

★ 5

I love this gym a lot. My 4th year now and going strong. The owners are great, welcoming and helpful; the coaches are fantastic! I also really enjoy the community feeling and making new friends at Mafia. Come give it a try and enjoy all the benefits while you are getting fitter and healthier!

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Lindsey Hicks

★ 5

Love this place! Everyone is so welcoming and supportive. Highly recommend!

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Samantha Baker

★ 5

After moving to Colorado, I tried out numerous CF gyms in the area. Leaving my gym family in Washington was hard. But I was searching for a clean gym with great coaches, and a welcoming community that I could learn from and grow with. I found all of these things and more at Mafia. The gym is clean and equipment well kept. The coaches are supportive and incredibly knowledgeable, and most of all, I felt instantly welcomed and comfortable bringing my son in with me. It is definitely a family friendly environment and I can’t say enough great things about this gym!

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Jennifer Deppen

★ 5

I’ve been a member for over 8 years and love the community at CrossFit Mafia. All people at all levels of fitness are welcome and the coaches are the best!!!

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Melissa Murray

★ 5

I joined CrossFit Mafia with my husband in search of a fitness facility to help us regain our health and wellness after COVID lockdowns. Not only did we embarked on a journey towards a healthier lifestyle, but we also discovered a community of wonderful people who have now become like family to us. The coaches at Mafia are exceptional, showing genuine concern for the members' well-being. They are approachable, excellent communicators, and have played a significant role in our positive experience.

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Kevin Burke

★ 5

I started at Mafia a little over a year ago and the experience has been amazing! The coaches at Mafia are truly exceptional. Their expertise, encouragement, and dedication are evident in every workout. The gym its self is neat, clean and has top notch equipment. They have built an amazing community through hosting social events, seminars, and monthly challenges that further strengthen the bonds within the community. Its become more than just a place to workout, its like family that pushes you to be the best version of yourself!

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Manny Morales

★ 5

Anyone can do Crossfit and Mafia does an amazing job at helping the 99% properly scale to your current abilities. Fun and friends make CFMafia a part of your life. Love it!

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David Geppert

★ 5

CrossFit Mafia is an incredible gym and community! Between the coaching, programming, cleanliness and community environment, the experience here is unmatched - I will never workout anywhere else. I cannot recommend this gym enough for individuals of any and all skill/fitness levels.

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Jaclynn Streeter

★ 5

I’ve been a member at CrossFit Mafia for almost 3 years and just love it! I wish I had found CrossFit as a sport when I was in my 20’s, with just starting out in my 40’s the coaches at mafia have made me feel welcomed, strong and capable!

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Ashley Burke

★ 5

I started at Mafia a year ago and I can't speak highly enough of this gym! The coaches are super knowledgeable and motivating, and have helped me so much in this first year. And the sense of community here is unbeatable! Highly recommend!

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Brandon Venckus

★ 5

Great community of coaches and people. Facility is well equipped and clean. Highly recommend to anyone looking for a great workout.

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Randy Pennington

★ 5

The people who run this business and the people who train here have changed my health and my life for the better. I have to also give credit to my wife for talking me into it.

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Amy Pratt

★ 5

Mafia is where it’s at! I love this place. Amazing coaches and community.

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Anna Sgro

★ 5

I have been a member less than 1 year and have really enjoyed the gym, getting stronger and being challenged. The coaches are exceptional, they all bring a unique element but all share their ability to breakdown each movement and really focus on quality. Great people and community that supports each other, definitely not your average gym.

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Jeff Rickard

★ 5

Amazing coaching staff!

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Heather Glueckler

★ 5

I am absolutely thrilled to share my experience at CrossFit Mafia. Words cannot adequately express the incredible sense of community fostered within this facility. It's not just a place for health and wellness; it's a haven built on love.

Initially, I hesitated to join because of fears about judgment and not being familiar with all the movements. However, my apprehensions quickly dissipated as I encountered nothing but compassion and a genuine spirit of togetherness. The atmosphere at CrossFit Mafia goes beyond fitness; it's a supportive community where everyone feels valued.

From the moment I walked in, I felt safe, welcomed, and supported. CrossFit Mafia isn't just a gym; it's a sanctuary for personal growth and well-being. The credit for this exceptional environment goes to the outstanding owners, Brentnie and Jonathan. Their passion for what they do is evident, and they have succeeded in creating something truly extraordinary.

In my opinion, CrossFit Mafia stands out as the best CrossFit gym around. If you're looking for a place where fitness meets genuine care and support, look no further. I wholeheartedly recommend Crossfit Mafia to anyone seeking not just a workout but a transformative community experience. Kudos to Brentnie and Jonathan for their dedication in building something truly amazing.

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Kat Cirone

★ 5

I recently dropped in at CrossFit Mafia and was blown away by the warm welcome I received. From the moment I walked through the door, I was greeted with open arms and felt like a part of the community. The sense of camaraderie and support among the members was palpable, and it was clear that the gym fosters a strong sense of community.

The programming at CrossFit Mafia is top-notch. The workouts were challenging and well-thought-out, and the coaching was exceptional. The coaches took the time to provide individualized attention and feedback, ensuring that everyone was moving safely and effectively.

Overall, I was incredibly impressed with my experience at CrossFit Mafia. The welcoming atmosphere, strong sense of community, and excellent programming and coaching make it a standout gym for drop-ins and regular members alike. I can't wait to visit again!

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Drew S

★ 5

Awesome gym! Great coaches, and an overall great community of people. Very excited we found CrossFit Mafia in Erie.

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Maddy Stanchfield

★ 5

CrossFit Mafia is at the highest level of gyms I’ve ever trained at. The coaches give you a one-on-one tailored experience based on your individual fitness needs and the community is unmatched. The gym is clean, inviting and has safe area for children. My husband and I have been nothing but pleased with our experience so far at CrossFit Mafia!

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David Werner

★ 5

After covid isolation, dropping my membership in my old CrossFit gym, and failing to be motivated to do the home workout thing I decided I needed to find a new place that motivated me. I looked/tried a number of locations in Boulder and near Erie and found CrossFit Mafia. It was immediately different, most importantly it had/has a welcoming knowledgeable energetic friendly environment …. I like to call it the CFM vortex that you can’t help but get sucked into and pulled forward. The coaches are great, knowledgeable, energetic, and most importantly motivating. They offer an introductory/free week, try it, I’ll bet you get sucked into the vortex.

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Daniel Conlin

★ 5

Couldn't be more pleased with the value I have received from the team at CrossFit Mafia! The coaching staff is diligent in providing a tailored experience for folks at all different fitness levels. I started attending the gym with little to no experience with CrossFit or gym attendance at all, and both the coaches and other members have helped me excel over the past 5 months.

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manny morales

★ 5

Crossfit Mafia is my family away from home. All the coaches are professionals, classes are fun and all you need to do is show up to become healthier and happier.

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Kassandra Hobart

★ 5

Easily the best gym I've ever been too. I've been in the CrossFit community for 10+ years as a coach, athlete, business consultant and CF Mafia is by far the best. The owners are personable, warm and welcoming. The gym is immaculate. The members/community are friendly and fun!

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Kayla Darling

★ 5

Absolutely love this gym

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Sutton Kincaid

★ 5

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Mariah Taylor

★ 5

CrossFit Mafia was the first CF gym I ever walked into/tried and immediately knew I found my place. It was intimidating for me at first, but the phenomenal coaching and wonderful people really made me feel comfortable and want to keep coming back.
The workouts are challenging and fun! The coaches are so knowledgeable and give attention and care into every single athlete- it has changed my life completely!
Whether you are brand new or a seasoned Crossfitter, Mafia feels like home.

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Hurston Sparks

★ 5

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Kim Pennington

★ 5

Love the coaches! Love the family!

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Scott Bruggeman

★ 5

Best coaches and community I have ever been a part of!

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Brittany Barton

★ 5

Incredible CrossFit gym! The coaches are world class, and the community is as good as it gets! Highly recommend!

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Christopher Johnson

★ 5

I'm 6 months into my membership now and I have nothing but positive things to say about the Mafia team and community. I have seen a drastic change in my fitness and look forward to working out. The coaches are world class and spend a ton of 1:1 time with you to ensure proper technique and everyone that goes are very encouraging.

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Dakota Smith

★ 5

Love the community at CF mafia!

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Joe Darago

★ 5

Solid programming, friendly people, and super clean. I’ll be back!

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Zachary Sanner

★ 5

Hands down the best gym I’ve ever been too! The people there are second to none.

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Jeremy Whiteford

★ 5

Fantastic gym. Super friendly and welcoming gym. I was dropping in from out of town and everyone was very nice. If you’re looking for a great gym, go here!

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Billy Bacon

★ 5

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Waylon Lolotai

★ 5

Mafia is hands down the best Crossfit gym in the area. The owners and coaches are very friendly and very knowledgeable about the science and technique behind all the movements. They focus on good form and are always taking the extra time to help people new to crossfit. Whether you are a beginner or a pro this gym has something for you. It’s become an extended family for us.

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James Hobart II

★ 5

The best CrossFit gym I have ever trained it.
I've spent a lot of time training with CrossFit, 10+ years at multiple affiliates.
Mafia is a beautiful gym with kind and caring coaches and it is owned by a long time CrossFit Seminar Staff coach. I'd recommend this gym for all levels of athletes and it has a great family vibe.

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Namiq Ahmadov

★ 5

Awesome place. Feels like family. Great coaches and owner. Great prices, especially for couples.

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Nick Beghtol

★ 5

Creat coaching, professional ownership and the facility is well maintained. CrossFit mafia deliver a high quality CrossFit class.

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Nick Gilbreath

★ 5

Great coaches and community. If you're looking for a great CrossFit box, you should come here

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Heather Mundy

★ 5

I joined Mafia a little over three years ago when I moved to Colorado from FL. I didn’t think another gym could compare to my gym in FL, I was wrong! The coaches are knowledgeable, positive and caring. The community of members are welcoming and encouraging. I highly recommend CrossFit Mafia if you have ever thought about joining a CrossFit gym!

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Joseph Kitto

★ 1

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Jeff Lanser

★ 5

What sold me was the A/C and spotless bathrooms. They even have a shower!
Coaches are very knowledgeable to boot.

-Jeff Lanser

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Joe Baca

★ 5

Great gym! Welcoming community feel to it yet serious about getting you into shape. Other gyms just don't provide the structure, coaching and programming that delivers the results you want, CrossFit Mafia does!!!

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Nick Trujillo

★ 5

Very Supportive and encouraging. As a beginner entering into a new gym, everyone has been very warm and welcoming

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Hilary Booco

★ 5

I’ve been crossfitting since 2011 and I’ve been a member of multiple gyms, as well as dropped in to many more. When my husband and I moved to the area and tried out Crossfit Mafia, we knew it was the place that we would stay after the first class. We have been members for one year now and have loved every day. Amazing coaches who are extremely well trained and an awesome community. CF Mafia is my happy place!

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Gary Harris

★ 5

Love this Crossfit Gym!! Some of the best people and coaches. I have been with them for 5 years started over weight and out of shape. They have helped me transform my life, and I am in the best shape of my life at the age of 45.

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Amanda Young

★ 5

When I joined Mafia 6 months ago, I had been looking for a community that would motivate and encourage me to become the best athlete I could be in a safe and welcoming environment, all while having fun in the process. I had become bored and unmotivated with triathlon, so I needed some fitness revamping. Now I feel stronger than ever, and actually have FOMO when I miss a WOD. If you are looking for a gym that focuses on safety first and foremost, has top notch coaches and a great community, this place is for you!

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Anthony Underwood

★ 5

I found CrossFit three years ago and from the moment I stepped foot into Mafia I knew I was going to love it! My competitive nature thrives off the community there and I also love seeing others achieve goals. If you're looking for a gym in Thornton I highly recommend checking this place out.

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Nick Folkedahl

★ 5

5 STARS! The coaches are so knowledgable and caring and the members are all high quality people! Both will soon be your friends after joining the MAFIA family! Weather you're looking to lose a few pounds and make some new friends or you're looking to transform your body - MAFIA is the place to go! All you have to do is drop in and meet the coaches and you'll understand!

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Andy Cripe

★ 5

I've been working out at Crossfit Mafia for 5 years. They have managed to create an outstanding community of members and coaches. Everyone is friendly and welcoming. If you haven't tried Crossfit this is the place to do it. Owners Brentnie and Jonathan will introduce you to the sport in a way that is challenging but not intimidating. The membership has varying ages and levels of fitness so no matter where you are in your fitness journey you will feel welcomed and encouraged at Crossfit Mafia.

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Drake Shepit

★ 5

I’ve watched this gym grow over the last few years, and the people who’ve become a part of the community are what make showing up so much easier. Once you walk in that door, it’s hard not to notice the chemistry among the members and feel welcome. The coaches can accommodate for kids, seniors, and everybody in between whether it be fitness, nutrition, competitiveness, or even just a companion to listen... You won’t regret joining this gym! We are Mafia strong! 💪🏼💪🏼💪🏼

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Sammy Soto

★ 5

I was at another box for about a year before I joined Mafia and I’m glad I made the move. The coaches are highly qualified and always make sure you are doing the best movements during and post wod to ensure the well being of the athletes. It is a great atmosphere and I’ve been going for 4 years now with great improvement. I highly recommend it

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Vicki Baca

★ 5

CrossFit Mafia is an awesome box! Have been working out here for 5 years and love the community and relaxed atmosphere. Great nutrition programs available to help you meet all of your fitness goals and workouts to accommodate any lifestyle.

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Rick Yurko

★ 5

Crossfit Mafia has been a great experience for me. The coaches are not only excellent at teaching, training and motivating, they are even better people. The community here at Crossfit Mafia truly is like a family, I would highly recommend it to anyone who wants to get in shape, lose weight and be part of an awesome community that is here to help and support all it's members

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samantha gray

★ 5

Awesome community and great coaches! Such a welcoming environment for any fitness level.

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Keannen Collins

★ 5

Amazing coaches here! Everyone is super supportive of one another and pushes one another to reach their goals. I couldn't imagine going anywhere else!

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Joseph Marin

★ 5

Have been doing CrossFit on/off for the past year at CF Mafia and absolutely love it! From the warm-up, to the WOD, the coaches provide guidance at the individual level of each person. Great place and highly recommended.

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Ryan Stephens

★ 5

Great coaches! They helped me lose 50lbs and get into the best shape of my life! The community is super supportive and accepting.

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Juan Mancin

★ 5

Best CrossFit gym I’ve been to. Suitable for every level and coaches put a lot of emphasis on technique to avoid injuries. Highly recommend

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Rabih Nahas

★ 5

I have been to at least 25 different Crossfit boxes around the world and have never encountered a better coaching staff. Crossfit Mafia has the best coaches!

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Stephanie Underwood

★ 5

CrossFit Mafia is more than just a gym I go to everyday. It's a community that is more like family and has coaches that are top notch, very encouraging and knowledgeable, and push you through the workouts. Definitely recommend this gym in North Thornton!!

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danielle kelly

★ 5

The community is great and coaches are wonderful.

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Kaylen Gray

★ 5

Amazing coaches, and love the environment!

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Adam Baca

★ 5

Excellent facility, coaching team, and community

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Brian Caffarelli

★ 5

I would recommend Cross Fit Mafia if you are thinking about getting in shape or trying a new gym. The coaches are great and the member community is top notch.

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michele

★ 5

Crossfit Mafia is an amazing gym! The owners and staff are so supportive and motivating. If you are looking for a Crossfit gym then you need to go to this one because it is amazing.

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Timothy Keefe

★ 5

I have been doing Crossfit for 10yrs. I have visited dozens of gyms during that time and I have come to learn that the three most important things for a gym to be successful are the "Three C's" (Coaching, Community, and Cleanliness). Crossfit Mafia has all of these in spades and is one of the best gyms around.

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Bobbiejo Myers

★ 5

Everybody is so welcoming, love the coaches and the environment!! Would not go back to a normal gym after joining Mafia.

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Cyrus Clemensen

★ 5

The best people, experience, and gym I've ever been to! Can't say enough good things, it's become an extended family.

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Chelsie Bruggeman

★ 5

The community and amazing coaches at Mafia can’t be beat! The coaches are very attentive and walk you through the workout from warm-up through post WOD. They are encouraging, positive and are willing to help each athlete modify for their fitness and skill levels. The community is like a second family-we work hard and play hard. Overall-a very welcoming gym!

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Garrett Reese

★ 5

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Stacey Smith

★ 5

LOVE this gym, the people and the owners!!!!

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Alicia Oliverez

★ 5

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Wesley Matthews

★ 5

CrossFit Mafia has been around since early 2013 and they show their experience. It is not a gym full of ultra elite athletes that can be intimidating, rather, they cater to the everyday client looking for general physical improvement. The owners are very friendly and have years of experience and knowledge. This gym is suitable for all age ranges and skill levels; children up to elderly grandparents; beginners to higher level athletes as needed. They have BBQs and social hours constantly which make them all the better. Stop in and just check it out!

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Christina Doyle Bertram

★ 5

Such a great box! The coaching staff is well-trained and personable, the community is friendly and encouraging, the equipment is clean and well maintained. Since joining this gym my fitness and life have improved in so many ways!

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David Coleman

★ 5

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Margaret Gruca

★ 5

I started CrossFit two years ago now at CrossFit North Fort Collins and when I left I thought I'd never find another gym that held its members to a higher standard and gave each athlete individual attention to ensure their progress, whatever their goals.

Brent has not only the experience to help any athlete at any level, but more importantly she stays open-minded and works hard to constantly continue her education in both mechanics and nutrition so that she may better serve her clients.

This is not what most CrossFit gyms are becoming where they have dozens of coaches and classes of 30 people. Instead this gym is focused on small classes and a few great coaches who understand the individual's needs coming in. Because of this, there is better programming that includes the more complex gymnastic movements and heavy lifting which can be scaled to anyone that is sometimes lacking from gyms with these larger classes.

Aside from the training, Brent has extensive knowledge in nutrition and can help you through many common, and sometimes uncommon, health concerns through alternative means. Whatever your goals, I strongly believe this is the place to make them happen.

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