★ 5

This is an awesome awesome workout. I’ve been coming here about 2x a week for close to a year and it’s still challenging and fun. It’s not “typical” Pilates, it’s on a much different, more strength focused reformer, but it’s also not quite Lagree (if you know you know).

The class uses very traditional Pilates concepts, and adds a strength training and “time under tension” focus to burn out muscles in a really safe, low impact way (by low impact I mean not tough on joints). The staff is phenomenal, super knowledgeable, the class is upbeat, and 45 minutes for a full body workout? Count me in.

The only “con” is classes are always full. The waitlist is an awesome option but you definitely have to join the waitlist like at LEAST a week in advance to have a shot of making it off. Early morning classes face this the most. I think this part of Denver needs another studio lol.

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★ 5

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★ 2

I did a ClassPass here and enjoyed it so much but now I cannot get in touch with anyone despite multiple attempts to buy the introductory. I called, texted, emailed and I have yet to hear back from someone which is disappointing because I was so ready to try them out as a permanent studio :(

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★ 5

First time ever trying this type of reformer. Leah was amazing and explained the machine so well. Class was a great workout! Loved the intensity and options to modify as well!

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★ 5

Best use of 45 minutes before work!

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★ 5

A challenging, low-impact, full body workout in a welcoming environment. As someone who is accustomed to traditional strength training and high impact activities (running, HIIT), this was a new type of workout for me. The workouts are definitely good practice in "getting comfortable being uncomfortable" via slow, controlled movements under tension. That said, the class also moves fast as you squeeze a lot of moves in 45 minutes. Don't be intimidated if takes a few weeks of classes to get the moves/technique down - I'm still working on it! The coaches give cues and will step in to assist with form during classes. Along those lines all the coaches I've taken classes from are great. Super friendly and supportive of wherever you are in your fitness journey.

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★ 5

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★ 5

All the instructors are great and I'm a huge fan of the class structure. Started to see results in my legs after just three weeks!

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★ 5

I was looking for a workout that focuses on strength and core. I wasn't getting enough out of yoga supplemented with weight-lifting. Fierce45 is perfect for this. I am building lean, strong muscles and its a killer core workout. If you enjoy music and are beat-driven, you'll love it!

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★ 5

I've been having a wonderful experience at Fierce45. It is a very grueling yet doable workout. I feel much stronger and more in tune with my body. The instructors are definitely the cherry on top of the sundae. They are so personally invested. When I sprained my foot, Ellyse took several minutes out of her day to go over modifications I could try. Everybody there is like family - several gals told me they'd missed me after I'd been gone on a two-week vacation! I'm looking forward getting my a$$ kicked some more at Fierce!

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★ 5

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★ 5

Best workout in town!

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★ 5

Love this location and the convenient parking!

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★ 5

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★ 1

After being a member for 3 years, sadly, I will cancel my membership. After re-opening, the management is sub-standard, and the for-profit attitude is bothersome (e.g., charging a fee for being 10 min late to a class). Although I understand the need for plenty precaution measures, some of those implemented are not reasonable and others are actually unhealthy. With regrets, since I like the workout, the coaches and the location.

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★ 5

I love the fierce community. Such a good workout with awesome coaches leading you through it with enthusiasm and motivation. Especially during quarantine, fierce45 allowed me to continue taking their classes remotely and I don't know what I would have done without it! So thankful I have been a part of it over the last year.

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★ 5

Love love love Fierce45. I just started, and received such a warm welcome. The team made me feel completely comfortable even though I have never done a class like this and was intimidated. Also, I LITERALLY feel taller since only taking THREE classes, due to the strengthening, stabilization and body alignment I have been able to experience in just three classes. I am WOWed. I love the quick pace of the class and ability to get in a great workout in a short amount of time!

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★ 5

I love Fierce45! As a runner, I really appreciate how these classes use functional movements to make me stronger and improve my alignment. The instructors are without exception great and the classes go by quickly!

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★ 5

Such a great workout everytime!

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★ 5

Super hard core workouts that also challenge the entire body and the mind. Absolutely obsessed!

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★ 4

The instructors are great, encouraging, and the workout is very hard! I have four stars since it is pricey.

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★ 5

Love this workout! It's quick and high impact.

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★ 5

It has been awesome. I've taken 5 classes and already feel like my body is changing. Such a good workout, and each time it continues to get better.

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★ 5

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★ 5

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★ 4

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★ 5

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★ 5

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★ 5

by far the best sweat in Boulder!! everyone is super nice and helpful. PLUS, you get the good kind of shakes! highly recommend!

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★ 4

Very nice reformers, and great instructors.

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★ 5

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★ 5

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★ 5

Wow! 5 classes in and I can feel the difference in my energy! Still working on the whole core strength thing, but the instructors are great with both modifications and motivation. Best money I've spent in a long time!

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★ 5

Super challenging, burning, and an amazing work out. I never thought moving slow would be so hard. A great way to tone and use muscles I never work out on my own.

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★ 5

Great high pilates megaformer classes! I highly recommend Joy's classes, great full body workout.

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★ 5

I have always been a runner and done more HIIT types of excessive. Fierce45 was new to me and a little intimidating to start. But, it has been a game changer. I am working muscles I didn’t know I have and am now in love with this workout!

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★ 5

LOVE Fierce 45! Cannot possibly get enough of their workouts; its true it really is hard every time.

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★ 5

I needed something to get back into and Fierce45 has been amazing. The classes are always different and challenging in different ways!

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★ 5

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★ 5

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★ 4

Instructors are very friendly, class is definitely a good workout. Coming from a background in competitive lacrosse, swimming and crossfit. This workout kicks my butt. Sometimes its a little hard to follow the cues, but gets easier after you've gone to a few classes.

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★ 5

I love this place. I'm sore, exhausted and stronger every time.

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★ 5

Great energetic class, good for strength and toning

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★ 5

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★ 5

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★ 5

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★ 5

A great toning workout and a lot of fun. The time flies by! Everyone has been super friendly and encouraging. Would recommend.

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★ 5

I had no idea how much sweat you could put into one 45 min. class! The instructors are top notch and the facilties clean and organized. A perfect workout!

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★ 5

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★ 5

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★ 5

After moving back from Chicago and leaving our beloved Studio Lagree, we have found a new pilates home at Fierce45!

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★ 5

Great studio and awesome workouts - highly recommend.

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★ 5

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★ 5

Love it! Great people, awesome instructors

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★ 5

This workout works! I have so enjoyed this community and this workout. The 45 min workout is efficient and fun. You will feel and see the difference after a few classes!

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★ 5

I love this workout! It is making my “bad hip” SO much better! I feel strong and getting stronger every day. The coaches are fantastic! They push you and help keep you motivated like no other.

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★ 5

What an energetic way to start the day! My abs are the most sore they have been in years!

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★ 5

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★ 5

Place was fantastic. The workout is very tough and I'm definitely annoyed during it, but at the end I'm so glad I came. It's a good way to give yourself 45 minutes to just focus on your body. That's all you'll think about. Trust me! My mind doesn't wander and it's a great way to start my day. My own form of meditation.

My only complaint is how loud the music is and the instructor can sometimes get drowned out by it. I can't hear instructions clearly, but after a few classes you start to understand what's going on. Highly recommend.

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★ 5

What an incredible workout! There’s nothing like this and it hits muscles I didn’t even know I had. No impact is a bonus as I’m recovering from a knee injury and have had no problems.

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★ 5

Cool vibe. Hard hard work out. Kind lovely employees! Easy parking is a plus

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★ 5

a fun, clean, and high-energy spot. Great for a lunch-time workout!

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★ 5

Fierce45 is so challenging and I'm not an uber athelete so it is saying a LOT that I feel at home here and feel so supported (as extremely challenged!). It's an incredible work-out in a friendly, grounded environment.

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★ 5

I started attending as rehab for some pelvis/hip injuries. Just returned to climbing after a month and I am stronger than before. Love Fierce and love the childcare!

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★ 5

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★ 5

Fierce45 is awesome. A great workout every time. Charlene is my favorite so far but all of the instructors have had an amazing energy. Love the shake!!!

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★ 5

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★ 5

You shake the entire class. Results are already great. Love that it’s 45 minutes too.

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★ 5

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★ 5

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★ 5

This has been amazing! I started at 8 months postpartum with my third baby. The staff has been wonderful and so helpful. Whenever there is an exercise that feels too difficult, awkward or painful, each coach has been able to help me through the move so it feels comfortable and effective. I have gone to 15 classes and I already see results. I also feel more stable and strong carrying around everything and everyone in my crazy mama life! My husband and I adore going to the Littleton studio!

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★ 5

I’ve been doing trail running and hiking all summer and Fierce45 is a great cross training workout.

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★ 5

The instructors work hard to make sure you are being safe while getting the full benefits. I bought a month pack and see a change in my body already! It’s overwhelming at first but I promise you catch on to the moves with each class :)

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★ 5

Great instructor! Perfect cues & patience & focus with the class. Also, good location- plenty of parking (pretty hard to find in Denver).

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★ 5

Such a great work out with fun and motivating instructors!

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★ 5

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★ 5

Hands down best Pilates class I’ve taken! I’m usually a cardio bunny but I’ve found that this has really pushed me in ways I couldn’t even imagine. The instructors here are awesome and really help you to perfect your technique and form. Not once have I ever felt embarrassed or silly for performing a move incorrectly. The classes are small and allow the teachers to really dive into helping each and every student. Highly recommend!

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★ 5

Fastest way to get toned. Works all muscle areas at once.

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★ 5

Amazing teachers, a beautiful space and an unbelievable workout!

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★ 5

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★ 5

Best work out! With the best coach energy!

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★ 5

It hurts so good! I tried pilates for the first time at Fierce45 and I'm hooked. Classes are challenging but fun at the same time. The instructors are very motivating. Looking forward to my next class.

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★ 5

Fierce45 in Boulder is exactly what I have been looking for. High intensity, individualized with alternate options to accommodate post-op back issues, non-judgmental, and making it as challenging as you want to make it. The atmosphere is welcoming and instructors are knowledgeable.

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★ 5

Awesome instructors, KILLER workout. You feel every minute, and it's sooo worth it.

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★ 5

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★ 5

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★ 5

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★ 5

Best all body work out, fun music and helpful instructors

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★ 5

A perfect gem of a studio! Challenging and fun workout, friendly and helpful front desk staff and instructor, and drool-worthy retail! You'll be happily hooked from day 1!

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★ 5

This was a new workout method for me, so of course, a bit unsure of what to expect. I showed up early to the first class and received a warm welcome and walk-through of the method and machine we use. Ultimately, getting the hang of this workout takes returning and watching people around you a few times. It’s a supportive community— I have found other participants and the coaches to be genuinely friendly and helpful. The moves target areas of my body that are easy to neglect, and the lower impact workout gives my joints a break in the way that they need right now. I’m sore every time (in a good way), and ready to commit to 3x/wk to observe the changes over time.

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★ 5

Fierce45 is awesome! The music is great, every single class is different and equally challenging. The time flys by and when I leave I feel like I’ve had a total body workout. I’m always excited to come to the next class!

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★ 5

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★ 5

All of the Fierce45 studios are excellent. The workout is incredibly challenging & efficient and the coaches are accommodating & motivating. I've been able to push myself to the limit in these classes. I always look forward to going back!

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★ 5

I love Fierce45! An amazing workout that targets every area on your body that you want to tone in a quick 45 minute work out. They have great class times as well!

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★ 5

Amazing classes that challenge you each time you go in!

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★ 5

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★ 5

Favorite Pilates studio in Denver. Great instructors - take the time to explain moves and give adjustments. Location is great and parking is super easy in the lot.

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★ 5

Absolutely love this gym and the community within the studio! Each time I come to a class I know I am going to get a great workout and leave feeling stronger!

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★ 5

Love Fierce45, life changing work out! The instructors are dedicated and helpful while you feel the burn!

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★ 5

Great workout. Leaves me sore every time!

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★ 5

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★ 5

Fierce45 is my new go to! I love the intensity and the selection of so many class times throughout day...no excuses to skip!

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★ 5

Never tried Pilates or anything like this before. Yoga is main practice, so this was new to me! This low impact workout did NOT disappoint! I am hooked, I love the classes & instructors!! Can't wait to go to more classes

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★ 5

Love it.

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★ 4

I'm officially addicted! Every time I think I just had the hardest workout, the next one is even harder. I love how Fierce45 pushes me mentally and physically (with visible changes).

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★ 5

This is a great workout and a nice changeup from my usual OTF routine. I leave every class felling shaky and exhausted!

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★ 5

The best workout I’ve done in years! Every teacher has been superb.

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★ 5

These instructors are amazing. They cue you throughout the class and ensure your body is in a safe and correct position. Injuries are possible during this challenging workout which is why having these skills instructors is so important.

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★ 5

I'm having so much fun and learning a ton about how to properly exercise. The coaches really know their stuff and they do their best to teach you the moves. I wish there was a location in the Louisville/Lafayette area.

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★ 5

Started going to Fierce a few weeks ago, and I'm loving it. I had never done this type of Pilates, and as an avid HIIT goer, I was shocked/humbled by how challenging of a workout it was. The instructors have all been great with guiding you through the movements, keeping an eye on form / tweaking when needed, and motivating you to power through the burn. Oh, it's a deep burn. Highly recommended!

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★ 5

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★ 5

New favorite studio!

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★ 5

I am a 56 year old woman in fairly good shape who was looking for something easy on my joints but challenging for my body. I found Fierce45!! I was intimidated by the reformer since I’ve never used this style of workout before. However, the instructors are so knowledgeable and super helpful, and they really encourage you to do your best but only push as much as you can to feel the burn.... and believe me, you FEEL IT! They assist me to get my position correct when it’s needed which I personally LOVE. You will be sore. You will be challenged. You WILL COME BACK! The workout also challenges your mind and makes you pay attention to your emotional state and the self talk you communicate to your body. This is a mental and physical workout. I’m totally IN!

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★ 5

I am an avid fitness Denver momma, and have never been involved in anything quite like Fierce. As a marathoner, it has helped me avoid injury and engage muscles I didn't even know I had. As a mom, it is efficient and effective. I love the positive culture, the amazing teachers, and the insane strength I am getting. Thank you!

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★ 4

Fantastic work-outs that truly are fierce every time! Love the small class sizes and the ability to register online. Teachers are great, with some truly outstanding. Easy parking, and plenty of class times to choose from. The overall space is pretty compact - wish they could expand for some more breathing room.

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★ 5

Super happy with the results I'm getting from going to Fierce45 in Rino! I would highly recommend it!

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★ 5

Went to the Littleton studio and can feel the workout every time. The studio is warm and friendly; the workout helps support my endurance sports and rocks the core!

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★ 5

I love the shake! It is addicting and oh do challenging but it's great! I appreciate the fact that it's zero impact, and every instructor I've had so far has taken the time to correct my form, which is helpful to a newbie! I'm very curious to see how my body changes over the course of the Mayslay Challenge!

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★ 5

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★ 5

I have loved all of my Fierce 45 experiences so far. I leave class feeling strong, energized, and refreshed! All of the teachers are welcoming, positive, and uplifting. Can’t wait for my next class!

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★ 5

Fierce45 is my new favorite workout! Great music, instructors and a “sore” that makes me know I’ve worked the day after 🙂

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★ 5

Great Instructors that always make you feel comfortable! They’re all very encouraging, and help you try and get the best work out possible. Very happy I decided to come here.

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★ 5

Fierce45 is AMAZINGGGG! I started going about 2 months ago and it’s changed my workout routine and I started seeing results a month in. I’ve always consistently worked out from strength training to cardio but Fierce45 always leaves me shaking and sore the next day. There is an amazing sense of community and fierce women. I highly recommend at least giving it a try!

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★ 5

Fierce45 is my favorite workout! Low impact workout that gets my heat rate up and challenges my physical/mental strength every time.

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★ 5

Thanks to my best friend for referring me to Fierce45! From great instructors to an awesome workout, leaves you feeling stronger and clear minded!

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★ 5

Every time I leave I feel fierce AF! This workout is amazing!!

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★ 5

I have been looking forward to Fierce 45 opening for MONTHS- it’s an amazing workout, everyone needs to try it❤️❤️❤️

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★ 5

The best workout by far!

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★ 5

I always leave feeling accomplished!

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★ 5

The classes at this studio are like therapy for me. The instructors are all very nice and push you to you max. The studio is cute, bright, and clean. And they always have the cutest merch! :)

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★ 5

A great workout and super cool studio in a great location.

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★ 5

I have tried all sorts of workouts over the years from P90X, to HITT workouts, from spin to barre, to Orange Theory. Fierce 45 is ESSENTIAL to my week. My body is toned, and I feel great when I come out of the classes.

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★ 5

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★ 5

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★ 5

Love this place!

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★ 5

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★ 5

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★ 5

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★ 5

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★ 5

Love these challenging workouts. As your form gets perfected, the workout remains very difficult. So happy I found this place!

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★ 5

Loving it! Body changing!

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★ 5

Every workout is as hard as you want it to be, and is relatively low risk for injury.

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★ 4

Keep Trying! If the first class is confusing, you're are NOT ALONE. If the second class is just as strange, GO AGAIN! Each class gets better and harder. If you aren't sure, check in with your body and ask your teacher after class. You will see a difference if you are doing it right! A great addition to your workout routine to really work you muscles and see long-lasting change.

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★ 4

i LOVE Fierce45. their motto is something like ‘never gets easier’ and it is true! the classes are such awesome workouts but also slow and controlled to prevent injury. i really love them. giving 4 rather than 5 stars because i just wish it was more affordable to be more accessible, but other than the cost, i recommend 100%!

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★ 4

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★ 5

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★ 5

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★ 5

I love this workout! It’s so targeted and so tough. I leave each workout feeling great.

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★ 5

Started going regularly to Fierce45 about three months ago and since then I've seen amazing results and increased strength throughout my body. They might say it's "Hard Every Time" but it's so worth it!

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★ 5

Today’s class was amazing! Thank you!!

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★ 5

Did a full week and loved it, it's a great complement to my Peloton rides and runs. Can't wait to keep doing more of it!

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★ 5

Love working out at Fierce, always feel more empowered after! A great full body workout.

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★ 5

One of the best workouts I have done. Everyone is so welcoming and motivating. I have never left a workout feeling like I didn’t get a good sweat in.

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★ 5

I’m obsessed. Hard to imagine life without Fierce45 at this point. It’s gratifying, it pushes you, it strengthens you, it’s everything. I also love the dynamics of each studio — so grateful my girlfriend turned me on to Fierce! Total Game Changer!!

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★ 5

Love the RINO location and all the coaches!

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★ 5

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★ 5

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★ 5

I have really seen an increase on strength and actual leaness of my body and give credit to the amazing instructors at Fierce 45. Thank you!

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★ 5

5 classes in and it's not getting easier but that's why we do things to get into shape. Low impact and you sweat the entire time . Challenging and gratifying. Really hard but an amazing workout. Try it...

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★ 5

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★ 5

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★ 5

Excellent class. I feel much more confident while skiing and in a bathing suit!

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★ 5

Very welcoming studio for all levels of fitness.

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★ 5

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★ 5

I am loving Fierce 45! Each workout feels like new muscles are being challenged and after only one week, I feel as if I'm getting stronger. Thank you!

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★ 5

Love the workout! Great coaches and location! You need to try it if you haven't!

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★ 5

Love this place, my favorite workout since moving to Denver. The studios are clean, friendly and comfortable. The workouts are always tough!

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★ 4

The workout here is always challenging and get a good burn on but I wish all the instructors were more hands on. Most will adjust and correct you or help out if looking confused or lost but not every instructor jumps in. This would be my only improvement otherwise I really enjoy the class!

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★ 5

Love this studio- the classes are awesome and a good size!

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★ 5

I have been to 15 studios on Class Pass in the past few months. Fierce45 is the best class I have taken. It's hardcore, fast, and furious. My obliques and abs are looking great after only two weeks. I am cancelling class pass and joining Fierce45 only!

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★ 5

I absolutely love Fierce45. It's a fabulous workout and the instructors are really, really great. I've tried different reformer-style methods and this studio is by far my favorite!

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★ 5

Fierce45 is honestly one of the hardest yet rewarding workouts I’ve tried and I’ve tried a lot of studios and methods. I love that it moves quickly so you can get on with life and the music is awesome! The studio is always clean and teachers are encouraging.

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★ 5

This was my 3rd class at the Fierce45 Hilltop location and I am so impressed! Each class has been top notch. The teachers are SO good - they motivate, they correct form *just* the right amount, they program a killer class - they each clearly know their stuff. The music was good, the vibe of the studio is cool (even at 5AM), the front desk staff was welcoming and the other students were friendly. I'll definitely be back!

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★ 5

I have taken 5 classes so far, and had 3 different coaches. I love them all. They give me verbal and hands on feedback which helps with my motivation and endurance. I love the way I feel afterwards. I feel strong and confident.

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★ 5

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★ 5

This review is for the Littleton Fierce 45. Love these challenging workouts! The facility is very nice and clean, and the machines are in great shape. All of the instructors have been top notch, especially the 5:30 AM instructors -- they are knowledgeable, motivating, organized, and provide a great way to start the day. Definitely recommend!

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★ 5

Fierce45 is unlike any Pilates class I have taken. It is high intensity and so much fun. All of the coaches are friendly and motivating. They also have the cutest clothes available for purchase. Would definitely recommend!

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★ 5

Totally obsessed with this workout!

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★ 5

Love it. The 45 minutes go by so fast!

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★ 5

Allison, Gina and Lesley are fantastic instructors, offering a killer workout, definitely check them out!

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★ 5

After working out in a traditional gym for over a year, I found my motivation lacking, and that was quickly followed by a decline in my fitness. From there, I made the decision that perhaps something less traditional would be a better fit. Since joining the Fierce45 family, I find myself craving to work out, excited to go to class and eager to see the amazing coaches. I am already seeing results and am so excited to see the progress that will come!

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★ 5

This place is intense but you leave feeling better about yourself and what you were able to accomplish in 45 minutes. I also love the music and vibe of the studio. But it is hard work.

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★ 5

awesome workout, motivating teachers!

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★ 5

Hooked after one class! I wish I had found this company years ago after having my first baby. I've noticed a difference in my core strength after just 4-5 classes. Convenient, CLEAN, instructors are awesome and kind, not pretentious, which I greatly appreciate. Love it!

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★ 5

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★ 5

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★ 5

Amazing workout! You are able to work hard and transform your body. Because it is very intense you don't even realize you are done in 45 minutes.

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★ 5

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★ 5

great classes with great instructors

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★ 5

The best workout in Denver, motivating, challenging and fun! Can’t wait to go back.

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★ 5

Started Fierce post baby and have definitely noticed an amazing change in my core strength already! Definitely keeping this as part of my workout routine.

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★ 5

Fierce45 is addictive, fun, and my absolute favorite class. The instructors are all great, and everyone is amazingly supportive. Highly recommend!

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★ 5

Great so far!!

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★ 5

I started going to Fierce45 a little over a year ago, after suffering an Achilles injury which made my normal exercise routine impossible. Fierce was the only thing I could find that was challenging without killing my Achilles. I’ve been going a few times a week since then, and it still feels fun and challenging each time. Definitely recommended!

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★ 5

Such a great workout and HARD. EVERY. TIME. Great music and coaches are engaged and so helpful when I need modifications due to an injury. First class free!

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★ 5

It’s a great total body workout. The teachers are great and helpful and the staff is friendly.

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★ 5

This is hands-down my favorite boutique fitness studio in Denver, and I've gotten tons of friends on the Fierce45 bandwagon, too. The classes are very challenging (but doable), and 45 minutes is the perfect length. The workout itself is amazing of course (no muscle group left behind), but the instructors are what really seal the deal for me—they're all super motivating, and I always leave the studio feeling fulfilled and confident. Absolutely recommend!

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★ 5

Fierce45 is a hard and rewarding workout. Instructors are kind and quick to provide support, modifications and encouragement as you sweat your way through the class.

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★ 5

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★ 5

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