ONE Boulder Fitness
“The owner is a really nice guy and the gym is S tier!!!”
Best Personal Trainers in Boulder, CO
24 trainers listed · all 24 in Boulder · 3 open 24/7 · 15 open weekends · 23 rated 4.5+
Data verified October 18, 2026
Crossfit Roots
“Roots has an incredible team of coaches and staff who are knowledgeable and amazing at helping you find your personal foundation from which to build into the sport.”
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Mountains' Edge Fitness
“Their rates have always been reasonable and the workout environment is suitable for everyone.”
Functional Fitness and Wellness Centers
“He makes it easy to understand why certain types of exercises make sense for greatest flexibility and strength.”
Cheetahfit Personal Training Center
“For me his workouts allow me to feel good and continue to push it hard in the sports I love as I close in on 60.”
Boulder Crossfit
“Boulder Cross Fit is the perfect gym for athletes of all shapes, sizes, and fitness levels and provides an extraordinary amount of expertise and support whether you are an absolute beginner or seasoned Cross Fit veteran.”
This page lists 24 personal trainers and training gyms recorded for Boulder, CO. 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: Boulder, CO
All 24 trainers we list here are in Boulder itself. We have 39 trainers in Boulder on file; this page shows the highest-rated 24. The trainers on this page are rated from 4.0 to 5.0 across 884 reviews; 6 have 50 or more reviews and 23 are rated 4.5 or higher. When students and parents rate these trainers on specific qualities, they most often praise professionalism (92%), quality (92%) and communication (85%). The topics that come up most in reviews of the trainers on this page are "equipment", "knowledge" and "atmosphere". 3 are open around the clock; 15 are open on Saturdays and 10 on Sundays. 1 has a BBB rating of A or A+. 12 have ten or more years of experience, the longest 28 years. 1 offers a free trial or consultation; 2 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 24 of the trainers on this page; 19 publish a contact page; 16 list a public email and 9 take bookings online. We count these figures across the trainers on this page; 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 24 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.
Ross Meyer Personal Re-Training
“Ross connected me with Bob, and also saw to it that I had the exercises I needed and working with my low income in a way I will never be able to repay!”
Iron Works Fitness
“I've lived in a lot of places and this has to be my all time favorite gym.”
Perpetual Movement Fitness
“They have a good business model that fits any schedule and is uniquely tailored to your specific fitness.”
Body Balance Strength & Wellness
“Everyone is encouraging and kind to one another, and the quality of fitness professionals there is the best Boulder has to offer.”
Future Proof Movement
“Currently, I work with Jesse and I am better fit today to do all the outside activities that I love.”
Koa Fit Personal Training Studio
“She even took videos of each exercise along with explanations to help me remember what my form should be.”
Opex Element 6
“Sky really knows what he is talking about and super kind as a human as well.”
Mojo Movement and Massage
“Within a few personal training sessions she resolved pain I had experienced for months, (even though I continued to do physical activities like gardening and heavy lifting that were aggravating).”
B Fit
“Beyond the personality, there are the results: The variety of class offerings coupled with the instructors' ability to seamlessly differentiate for each client has changed the way I ride, move, and feel”
Dbrooks Fitness
“He's always accessible even when I'm working out on my own to answer questions or give guidance.”
Peaksfit
“But it's not just about the work outs, they have created a great community of people who show up and continue to come back and provide support.”
Next Step Fitness
“I'm a hairstylist and have developed bad posture habits and he helped me strengthen the proper muscles to realign my shoulders.”
Elevate Your Running
“When you receive her initial intake form, you will notice the difference in the way she views running with the deeper questions she ask to understand your WHY as a runner.”
Heart of a Champion Ltd.
“Russ is an excellent instructor, his workouts are well structured and adjustable to your needs that day, seeing results and feeling better while spending time with a quality human.”
Forest Performance Coaching
“He was able to flexibly design strength training to support my race goals and training phases as well as work through running injuries (pre and rehab).”
High Altitude Spine and Sport
“Hansen is a dedicated professional who employs every possible tool to help you to your desired outcome.”
Bodyenroute
“Even though I was not in the same city, she was able to closely monitor my progress and work around my erratic schedule.”
Boulder Strength Personal Training Studio
“Excellent reputation in the community and the trainers deliver on that reputation.”
Why these companies made our list
What students and parents say about trainers in Boulder
- “I am feeling stronger and progressing well. Brenna’s knowledge and experience in anatomy is evident and she was able to customize a workout plan to fit my needs.” — from a review of Koa Fit Personal Training Studio
- “This is the "safe" place where I feel most confident and trusting in getting the best advice and attention to physical conditioning and strengthening.” — from a review of Body Balance Strength & Wellness
- “I've been a member for years & love the friendly staff & availability of awesome (& very knowledgeable) personal trainers.” — from a review of Mountains' Edge Fitness
- “I would highly recommend Casey and Future Proof as a better way to achieve lasting health benefits through mobility and strength conditioning.” — from a review of Future Proof Movement
- “Matt is the most knowledgeable and talented personal trainer I have ever met.” — from a review of Cheetahfit Personal Training Center
Excerpts from public reviews of the trainers listed on this page.
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