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“OTF Chesterfield is not only a place to go for a great workout, but it’s a place to go for great community! Andy and his whole team are fun, warm, inviting, and motivating!”
5AM - 8PM
4478 S St Peters Pkwy St, St Charles
Gyms
“I actually went to several CrossFit gyms in the area just to talk to people or check it out. It was the initial consultation and the coaches whom seem to care about my goals, my health, and my overall fitness that sold me on this gym. Not only has the coaches being great and answering any questions I have, but all the other members have been very helpful if don’t know anything.
I have been doing it for a month now. I have already seen a change in my body composition. I have to get a couple of my dress pants altered Because I have gone down a pant size. The group atmosphere pushes you and helps you make better health decisions outside of the gym as well. I recommend to anybody who wants to make a lifestyle change.”
“Hands-down, the best gym in Saint Charles County! This gym has brought everything that my body and soul needed. The level of motivation and encouragement is next level. The coaches and staff are excellent and beyond kind with their words and actions. Member for life!”
4 - 7PM 5 - 10AM
106 N Cool Springs Rd, O'Fallon
Gyms
“Very happy with the training and community they provide here! Josh is knowledgeable, kind, and helps me target my areas of pain & where I want to work on my strength the most! Heather is a joy to be around and helpful as well”
“I was not able to post a review with my regular G mail account so I am using an alternate account.Amy is absolutely wonderful. I have put off physical therapy for years because all I ever heard was that the PT will just give you exercises to do to build up your muscles. Well I have lower back pain and very tight muscles spasms between the shoulder blades. I have tried building muscle and it only agitated the issue. So I pushed on and just suffered through the day so that I could sit in my chair for relief. I even went to pain management and they wrote me a script for pills. I tossed the script away and never went back. I will take pain over an addiction.A friend recommended Amy while talking one day. He said that it is who he would go to, so I decided to give it a shot. Amy is hands on for the entire session. She knew what to start with and it wasn't strength training. During the evaluation she correctly determined that I was agitating my back on a daily basis. I was sleeping in a way that made it worse, I was working through the pain making it worse. All this while I roll to the different positions for the different tests for evaluation on the table and having to stop for cramps. I was not getting the proper electrolytes because I used the Army way of hydrating. If it isn't clear then you need to drink water. I understand now that it was wrong and I was draining my body of electrolytes.I am doing a lot of stretching and strengthening my core while improving my posture currently and the difference after just a couple of weeks is almost a 180, only because I am still broken, so I still feel pain, but I know I am going in the right direction.One time during a session Amy said, hold on a minute and left the room. Apparently she saw someone doing an exercise in the main room and he wasn't using proper form. She went out to correct the individual and came back and apologized, but it was not necessary. I know now how important form is during stretching and exercises because of Amy. Doing them with bad form is asking for trouble. She consistently reminds me during sessions to breathe, use proper form, straighten my posture even if it means I go slower until I can do the exercises in the correct form at a normal speed.Amy is amazing at what she does and you can tell after 1 session with her that she has the knowledge, the passion and really cares that you get better at whatever your goal is, from physical therapy to getting back into shape or getting to the next level in your strength training, Amy is there to teach and help you the proper way. Her staff is supposed to be very good as well, but I am not ready for what they are doing yet. I am not sure I would survive 1 minute of the cross fit training, but I do plan to continue past PT and getting back into shape when I am given the all clear from Amy.”
5 - 9AM 10AM - 12PM 4:30 - 8:30PM
929 Jungermann Rd, St Peters
Gyms
“Great local crossfit gym. I was in town for a business trip and looking to workout - lots of class times, super friendly staff and members. I would not hesitate to recommend David and team for those who are crossfit veterans to those looking to trying it out.”
“TNT Fitness is more than a gym. It is a place where you are treated like family. You can find those good people you ought to be hanging out with. It is a place to get started and to keep going even when you're working around injuries. The coaches help you get the workout you need and make sure you're ready to come back to train the next time. It's a place to make fitness a part of your life, all you have to think about is getting in the door.”
“Were in town from 2 hours away and took my kids here for a drop-in class. Very welcoming and Coach Mike was great! He kept everyone engaged (including parents) and was very thorough with instruction. Highly recommend this place.”
7AM - 12:30PM 3 - 6PM
3766 Elm St, St Charles
Gyms
“Exercise at Curves is fun & motivating! Different routines everyday, plus twice weekly Zumba classes. Always more fun to exercise with friends, new & old!”
3 - 8PM 8 - 10AM
18 W Industrial Dr, O'Fallon
Gyms
“I cannot speak highly enough of Donovan's as a whole. I have experienced nothing but the highest level of training and help from Tommy, Michelle, and Peter. Everytime I walk into the gym they make me feel welcome as does everyone else in the class. I cannot recommend them enough. I am thrilled with my experience so far!”
4:30AM - 8PM
920 Kehrs Mill Rd, Ballwin
Gyms
“Brand New member and not one bad word.... Plenty of great equipment, clean and in great condition... Locker rooms are clean and well equipped steam , sauna, showers... Very laid back homey feel... WAY MORE than you would expect from a 'neighborhood' gym !!”
5:30AM - 7:15PM
6201 Mid Rivers Mall Dr, St Peters
Gyms
“OTF family is the best family- Ashley, Shane, Bonny, Brie, Kaitlin, Alex, and Meredith! The coaches are so positive and encouraging. The workouts are always fun and a good mix of exercises. Before I joined Orange Theory, I thought about joining for a long time and was extremely intimidated. But I quickly learned I did not need to be, because all fitness levels are welcome. After taking the first class with Coach Ashley, I signed up for a membership and put my health first; it was the best thing I've ever done for myself. If anyone is on the fence, join now and you won't regret it!”
“Love this gym! Becky and Andy are very knowledgeable about fitness. They are very supportive and motivating to bring out your best. They provide a variety of classes and always willing to help with personal goals.”
Open 24 hours
17017 N Outer 40 Rd Ste 172 Building P, Chesterfield
Gyms
“The gym is awesome. I was there for a weekend drop in and all the staff was super welcoming. I have nothing bad the say about this gym. The gym is clean they have a lot of machine and the vibe is really chill.
From the OS family 💪🏾”
8:30AM - 7:30PM
140 Long Rd Ste 130, Chesterfield
Gyms
“This place is great for anyone interested in the ninja sport. Our family started as beginners here and after years now we have found a sport and gym that the whole family loves. The staff are ALWAYS great and upbeat and keep up the positive energy whether during practice, open gym, and certainly birthday parties—which are also a blast here and well attended by invitees. I highly recommend this ninja gym.”
4 - 6PM 5 - 7AM
64 N Central Dr, O'Fallon
Gyms
“Best place in st louis to work out. Great community. I am so appreciative of how amazing this place has made my wife and I so fit. More so my wife than me but its a good problem to have.”
5 - 9:30PM
1438 Hoff Industrial Dr, O'Fallon
Gyms
“This gym is amazing! From the atmosphere to the coaches. They made my daughter feel home from the moment she walked in their doors. They truly care about the kids in every aspect and their growth as an athlete!”
Open 24 hours
16 Plaza 94, St Peters
Gyms
“9Round is amazing! The trainers are helpful and passionate about what they do. I’ve gotten a lot of personalized attention and feedback which has helped me on my fitness journey. I highly recommend 9Round if you’re looking for a fun environment to improve your fitness!”
“Uncharted CrossFit is a great gym! The coaches are knowledgeable, encouraging, and actually pay attention to you, which makes a huge difference. The atmosphere is fun, welcoming, and the kind of place you look forward to showing up to.
They also run a CrossFit program specifically for kids with Down syndrome, which is such a cool and meaningful part of what they do and shows how much they truly care about their community.
If you’re looking for a place that pushes you while still feeling supportive, this is it.”
4:15 - 8PM 6 - 7AM
1861 Scherer Pkwy, St Charles
Gyms
“We dropped in and worked with some of their kids for my son. Top notch killer feel! Kids are knowledgeable! Definitely recommend to someone wanting to learn some combat skills.”
5:30 - 6:15AM 7:30 - 8:30AM 9:30 - 10:30AM 4:30 - 7:15PM
4740 Mid Rivers Mall Dr, St Peters
Gyms
“I started in January. I have been improving everyday. I love the instructors and the people who attend and work out. I hated going to the gym. I never knew what I was supposed to be doing or if I was doing it correctly. At Jazzercise my instructors gently encourage and show the correct way. I have made huge strides in improving my flexibility and strength. I just feel better. While I can’t tell you I enjoy exercising, I can tell you I laugh and have a lot fun while I am suffering! 😝”
9AM - 7PM
18161 Edison Ave Suite FGH, Chesterfield
Gyms
“I can’t say enough great things about this gym. From the moment you walk in, you’re greeted with a welcoming and motivating atmosphere that makes you feel like part of a family. The coaches here are next-level knowledgeable, supportive, and genuinely invested in your progress and well-being.
Whether you’re brand new to fitness or experienced and looking to push yourself further, the coaches take time to tailor workouts to your level, encourage you through tough moments, and celebrate your wins with you. They focus not just on physical fitness, but on mobility, form, and functional movement that improves your everyday life.
The programming is always challenging but fun, and the community here is unmatched positive, inclusive, and driven. I’ve grown so much since joining, both physically and mentally, and it’s all thanks to the incredible team at Chesterfield Functional Fitness.
Highly recommend to anyone looking for a serious fitness transformation in a supportive environment!”
“Looking to build functional strength without the crowded gym atmosphere? This is the place. Trainers are professional, knowledgeable and friendly. Highly recommend.”
“Great place. Lots of equipment for powerlifting, strongman, Olympic weightlifting. This is where the Strong People come to workout. Came through for work and they’ve got day and week passes.”
5:30AM - 9PM
16801 Baxter Rd, Chesterfield
Gyms
“This is a very beautiful location although I was told at the Creve Coeur location was much prettier or better in the locker room. If you have United healthcare you have a free membership although I do not so for me it would cost about 100 bucks a month or I think it's $89 a month which is expensive for me. The facility is very clean and I would definitely recommend it if you have the money but for me I'll have to look elsewhere, although they gave me two free passes to come and check out the facility which was very nice of them.”
“I never write Google reviews, but my experience with Against Gravity has been so wonderful that I couldn't help but do so. I started training here at my mom's recommendation; she signed me up for training in an effort to help me recover from an eating disorder and heal my relationship with my body. Coming in, I was starving, very low-energy, and terribly unconfident in the gym. Ryan and Tommy both knew this, and they worked with me to develop a strength training routine and a nutrition plan over the course of a summer. They were extremely supportive on both my good and bad days, and they work hard to provide a positive experience tailored to the individual goals of each client. I've since fallen in love with lifting, and my mindset is as healthy and strong as ever. Of course, I've put in a lot of mental and physical work myself, but my experience at Against Gravity was so overwhelmingly positive and encouraging; I couldn't have turned my mindset around without them. If you’re struggling with your confidence, looking to better yourself, or want to develop your physical and mental discipline, I implore you to pay Against Gravity a visit. I owe much of my success in recovery to them (and my mom). I cannot thank this team enough!”
11AM - 10PM
17375 Edison Ave, Chesterfield
Gyms
“Sean helped me get the best value for my experience as an out of state climber who likes to come into town sometimes. Really appreciated that they helped keep this acessible to me even if I can't be a regular 🪻”
Open 24 hours
5250 Mexico Rd, St Peters
Gyms
“Busy place. I felt that for the amount of people this place hosts, it was pretty well kept. I liked the fact that there were windows to view the rink if a person got cold inside.”
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“So fun and such a good workout! Jamie is an amazing instructor. She made me feel so comfortable for my first class and offered modifications for each move. I can't wait to come back!”