Metro Detroit's Premier Ninja Warrior, Obstacle, & Climbing Gym

From first-timers to elite athletes, Gripz Gym challenges you to move, climb, and push past your limits.

Celebrating 9 Years of Fun & Fitness

Obstacle Training Image

What is Obstacle / Ninja Training?

Functional Fitness for Everyone


Obstacle and ninja training is a dynamic form of functional fitness that combines strength, agility, coordination, and mental toughness. Inspired by the popular TV show American Ninja Warrior, this training style uses natural movement patterns that translate to real-world activities.

Unlike traditional gym workouts that often isolate specific muscles, obstacle training engages your entire body in compound movements. You'll climb, swing, balance, jump, and crawl through various challenges that build practical strength and athleticism.

Benefits of Functional Training:

  • Full-Body Strength: Develops functional strength that carries over to daily activities
  • Improved Coordination: Enhances balance, proprioception, and body awareness
  • Mental Resilience: Builds confidence and problem-solving skills through challenge completion
  • Cardiovascular Fitness: Provides excellent cardio workout while building strength
  • Injury Prevention: Strengthens stabilizing muscles and improves movement quality

Perfect Cross-Training for All Sports:

Whether you're into martial arts, climbing, running, or team sports, ninja training complements every athletic pursuit. It develops the core strength, grip strength, and movement efficiency that enhances performance in any discipline.

Great for All Ages: From kids building foundational movement skills to adults looking to reclaim their athleticism, obstacle training scales to every fitness level and provides a fun alternative to traditional exercise.

Kids Training

Meet the Coaches

Our expert team brings years of experience in ninja training, fitness, and competition

Ryan & Therese
Ryan & Therese

Therese is an owner with extensive experience as a personal training and fitness enthusiate. Ryan is an owner with over 10 years of experience in ninja training and competition. Passionate about helping athletes of all levels achieve their goals while having fun.

Anthony
Anthony

Formerly a corporate leader, excels in business management and all things fitness related. In his free time you can catch Anthony traveling, staying fit with kickboxing and bodybuilding, and is an integral part of our team.

Ardie
Ardie

Started at Gripz in 2021, and has been loving it since! Coach Ardie is the curator of our "Tutorial Tuesday" series on YouTube, Facebook, and Instagram! He's an avid spartan race athlete with 3 Trifectas in 2025 alone! Coach Ardie's philosophy has always been "perseverance"! Always push yourself to work harder so you can reach your goals!

Dave
Dave

Father of twins, CEO of Detroit Protein Bar. With over 15 years as a strength and conditioning coach and nearly a decade dedicated to obstacle course racing, Dave thrives on pushing limits both for himself and others. When he's not working, he loves spending quality time with friends and family, staying active through trail running, biking, or trying out new rock climbing adventures. Fitness isn't just a passion it's how he connects and find balance in life.

James
James

Facts: 10+ years coaching experience, 7+ years as a competitive Ninja Warrior, Army Veteran, UofM Grad

Position: Team coach, Strength and conditioning coach, Homeschool and kids' class instructor

Qualifications: Crossfit L1 coach, Strength and Conditioning certified, Adaptive Sports certified

Hobbies: Photography, hiking, traveling, woodworking

"I coach because I love helping and watching others see their potential and reach their goals"

Coaching philosophy: Meet every individual where they are and guide them with knowledge and compassion.

Quotes:
"Embrace your mistakes and failures; they are essential for growth and success" (unknown)
"Work hard, but have fun while doing it!"

Mayico
Mayico

Dynamic coach with a passion for ninja training and youth athletics. Brings enthusiasm and expertise to every class and training session.

Phil
Phil

Philip is a 3-time American Ninja Warrior competitor and has been coaching for 6 years! He works with the 13+ team.