Crossfit Saint Charles -Saint Peters- Cottleville
“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.”
Best Personal Trainers in St. Charles, MO
14 trainers listed · 5 in St. Charles · 9 open weekends · 13 rated 4.5+
Data verified October 21, 2026
Uncharted Crossfit
“They cheer me on, have been changing my mindset from "lose weight" to "get healthy", and have helped me figure out how to scale workouts to meet me where I'm at physically (while also pushing me to get stronger).”
Huskey Strength Personal Training
“Personally, I didn't need much accountability for food or work workouts but providing weekly ratings for stress and sleep was life changing.”
Emerge Fitness Training
“Emerge is without a doubt the top of the line for personal training.”
Eye Witness Fitness Training & Wellness LLC
“This gym, the people, and the owner/trainer at EWF opened my eyes to a whole new world of fitness, and I'm hooked”
We Gym Fitness
“The classes are run by a wonderful personal trainer (Coach K) and different every time you show up, but all focused on building strength and endurance, which I love.”
This page lists 14 personal trainers and training gyms recorded for St. Charles, MO. What each one says about its approach, its hours and its booking comes from its own website; ratings and quotes come from public reviews.
Area overview: St. Charles, MO
5 of the 14 trainers we list are based in St. Charles; the other 9 serve St. Charles from towns including St Ann (9 mi), O'Fallon (11 mi) and St. Peters (5 mi). The trainers on this page are rated from 4.4 to 5.0 across 984 reviews; 8 have 50 or more reviews and 13 are rated 4.5 or higher. When students and parents rate these trainers on specific qualities, they most often praise professionalism (92%), quality (83%) and communication (75%). 9 are open on Saturdays and 4 on Sundays. 2 list staff certifications (NASM and TRX). 8 have ten or more years of experience, the longest 18 years. 2 offer a free trial or consultation. We have a website on file for all 14 of the trainers on this page; 9 publish a contact page; 8 list a public email and 5 take bookings online. We count these figures across the trainers on this page; distances are straight-line, and hours and prices change, so confirm the details with the trainer before you enroll.
How much can I check about a trainer before I call?
All 14 listings here have a website on file. That is where you find who the trainers are, what they work on most, and whether they operate from a commercial gym or their own studio. Anything about scheduling or price still needs a phone call.
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Free Flow Fitness
“Not only is it an excellent studio with top notch instructors, the atmosphere is so supportive and loving of all bodies, all skill levels and all people!”
The Simple Fit Life
Fit Girl Fitness
“I have now completed several classes and while I'm nursing my sore muscles, I know this is something that is making a difference for me at a pace that feels right.”
Blue Ocean Fitness
“The atmosphere is incredibly welcoming, thanks to fellow gym-goers and amazing trainers who go above and beyond to personalize your fitness journey.”
Omni Physical Therapy
“The one on one soft tissue therapy and exercise direction for one hour appointments is above any other therapy practice I have used before.”
Renaud Center
“I have made a lot of friends there and would highly recommend this place to work out/swim/fitness classes,etc.”
Fitness Friend Wellness
“His friendly demeanor paired with how personable he is makes it something I look forward to every week.”
Dudas Fitness
“The professional and extensive knowledge of Nicole, and her pleasant persona, ability to place me at ease, impressive broadbased intellect, and her personal experience and talent in evaluating physical performance metrics and data points.”
Why these companies made our list
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