Don't Just Work Out. Train For Life.
Generic workouts breed generic results. At Thompson Fitness, we reject the one-size-fits-all model in favor of precision, safety, and highly personalized coaching. We've built a supportive training ground where you'll master the flawless technique needed to unlock your true strength. Whether you're stepping into a gym for the first time, chasing elite performance, or rehabbing an injury, we design the exact roadmap you need. Utilizing everything from kettlebells to heavy free weights, we ensure every session is dynamic, safe, and brutally effective.
Community & Support:
Beyond the iron and machines, we've built a highly supportive, ego-free community. We believe that real progress happens in a welcoming, fun environment where everyone is genuinely rooting for your success. We utilize everything from kettlebells and maces to traditional free weights, but our foundation is always rooted in proper technique and mutual support.
Train in a culture that consistently encourages and empowers you to safely shatter your boundaries. Here, you aren't just joining a facility; you're stepping into a team dedicated to helping you become the strongest version of yourself.
Rehab & Resilience:
We specialize in helping you train through and recover from injuries. By blending expert rehab and pre-hab, we don't just restore your strength; we teach you proper movement to prevent future setbacks.
Real Results
We don't believe in one-size-fits-all fitness. We design custom programming tailored exactly to your specific goals, current fitness level, and individual needs, ensuring you achieve the safest, most effective results possible.
Decades Of Iron: Meet Your Coach.
Meet Jim Thompson. With years of proven expertise on the floor, he is relentlessly dedicated to forging your resilience and unlocking your absolute strongest self.
Jim Thompson
Founder & Coach
Jim Thompson has over 36 years experience with 33 years in Billings. In fact Jim still trains his first client from 33 years ago. His extensive knowledge and passion for strength training, rehabilitation, and helping people achieve their goals are the foundation of Thompson Fitness.
Real People. Real Results.
See what our clients have to say about us.
Jay B.
Met Jim at my first powerlifting meet 20 years ago. He knows and practices what he teaches. I travel 140 miles one way to train with Jim. I have trained with him for 20 years and could not think about training with anyone else. Jim is humble and honest. He took me from a 1,200 lb total and I expect to hit a 1,500 total next year. I am 68 and he does not coddle me. Whether you are powerlifting, trying to lose weight, conditioning for a specific sport, regain your youthful strength, I could not think of a better coach. Thank you Jim.
May 27, 2026
Linda B.
I have trained and worked out with Jim for 33 years! He has helped rehab me through many surgeries and holds me accountable on my health and wellness journey. He will always be a part of my life as a friend and mentor. I have so much respect for him! I recommend him to everyone!
Linda
Sep 16, 2025
Wayne S.
Tough as nails! Trust me, this is the person you want training you! Not to mention by far the best value. Jim has more combined knowledge and experience than any 5 or 10 trainers in our area. This is due to his continued dedication and commitment to providing the most advanced functional training possible. This has led him to invest in working with other training experts from across our country and others. It’s also handy having close to the equivalent to a physical therapist at your disposal. THIS IS FAITH AND RESULTS DRIVEN! Check your ego and vanity at the door and be prepared to work!!!
Wayne S. 12 year member
Feb 8, 2026
Tom F.
Jim Thompson has been my personal trainer for over 25 years! I credit Jim's guidance and encouragement in the weight room for the physical strength and overall physical health that I enjoy at the age of 71.
Jim is constantly challenging us to go beyond what we would ever believe we could accomplish on our own!
The other amazing thing about Jim is that he is constantly researching and developing techniques that benefit our workouts! He studies the science behind the exercises that he has us do!
I highly recommend Jim Thompson as a trainer. Just be prepared to be challenged and transformed into the best shape of your life!
Feb 23, 2026
Hannah P.
It is no understandment that Jim Thompson changed my life. I have been weak my entire life, and he not only empowered me but gave me the skills to train independently and continue to get stronger. He sparked my love for powerlifting and my life is forever better! He is one of the kindest humans I have ever met and I am forever grateful. There is not a better trainer that exists! He’s incredibly patient and adjusts to each persons individual strengths and weaknesses.
