What Is proof3?

Our aim is to elevate the value of fitness coaching to greatly increase our member's probability of long-term success.

proof3® combines the best of cutting edge group training gyms with elite remote coaching to deliver a smarter, more personalized, and more connective training experience.

Our Mission

We help individuals Live Stronger For Longer® by delivering a results-driven, tech-enabled fitness experience that builds strength, boosts endurance, supports long-term wellness, and helps members learn about themselves in and out the gym.

We intend to prove that the right effort, intent, and hospitality make lasting and meaningful impacts on people's lives.

this is a graphic showing proof3's member app, proof3's proof360 assessment report and a photo of a proof3 coach and proof3 member training

What Sets Us Apart?

A coach working in person with his client. both he and his male client have med balls in their hands

Results That Last

We're here for real, measurable progress - not quick fixes. From your first assessment to your customized training plan, everything is designed to create sustainable change and deliver long-term improvement.

A photo of Karen and Rina at proof3 salt river's Class Apps

Smarter Use of Technology

Our proprietary tech enhances, rather than complicates, your entire experience. From assessments to training, our data and AI-driven insights help you reach your goals more efficiently and stay on course.

proof3 founder Jim Crowell coaching a proof3 member in the breathe space

Coaching & Community That Empowers

We create a space for you to feel safe, supported, and excited to pursue your goals. Our training sessions and coaches are welcoming and encourage members to connect as they work toward a healthier future.

a photo of proof3 salt river member Robin Sickles doing a kettlebell deadlift in the gym

Focus On Longevity

Living stronger for longer is our purpose. We help members build habits, strength, and resilience that last a lifetime, We’re not about quick fixes; we’re about improving healthspan and making positive, sustainable changes.

Get In Touch!

What Is proof3?

Our Mission

What Sets Us Apart?

What Does proof3 Mean?

proof3 Founders