About GRIT
Building strength, agility, and resilience in Waterford, Michigan.
As Featured In International Business Times
Our Story & Mission
At GRIT Obstacle Training, we believe that movement should be empowering, challenging, and fun. Located in Waterford Township, MI, our state-of-the-art facility features a full Ninja Warrior course, obstacle race simulators, calisthenics rigs, warp walls, rope climbs, and more.
Whether you are training for a Spartan Race, Tough Mudder, or American Ninja Warrior competition, or simply looking for a workout that protects your joints and builds functional strength as you age, our expert coaches guide you step-by-step.
For children and teens, GRIT provides an energetic, screen-free outlet that develops core muscles, coordination, problem-solving skills, and self-confidence in a supportive team environment.
"We don't just build stronger bodies — we forge grit, confidence, and lifelong healthy habits."
Why Choose GRIT?
Elite OCR Coaching
Train under coaches with Midwest and national Spartan/Ninja experience.
Safety & Progression
Structured, scalable obstacles for complete beginners up to pros.
Welcoming Community
Supportive atmosphere where every achievement is celebrated together.
Proven Results
Over 203+ 5-star reviews from satisfied adults, parents, and youth athletes.
Meet The Owner
Kurt Sabin
Owner & Head Coach
Kurt is a seasoned OCR (Obstacle Course Race) competitor, having participated in events across the Midwest and East Coast. He has trained elite athletes featured on American Ninja Warrior and the Spartan Race National Series.
As the leader of the GRIT Year of Change and Challenge teams, Kurt focuses on a holistic approach that includes trainer-led workouts, balanced nutrition, and strong accountability support. Whether you're pursuing specific fitness goals or striving for personal transformation, Kurt's comprehensive program is designed to help you succeed.
Featured In International Business Times
About GRIT FAQ
Learn more about our facility, coaching, and community.