Nicole Decker

Ready to take your fitness journey to the next level? Nicole Decker and the Gut Check Fitness team are here to empower you with the tools and motivation to reach your true potential.

Nicole Decker, co-founder of Gut Check Fitness, is a renowned leader in the health and fitness industry who believes in challenging limits to achieve lasting results. With a mission to improve lives through functional movement and quality training, Nicole has helped thousands of individuals unlock a deeper understanding of their bodies and commit to a lifetime of fitness.

Nicole holds a B.S. in Exercise Science from Indiana University and a master’s degree in Kinesiology/Exercise Physiology from James Madison University, where she developed and directed JMU’s acclaimed personal training program. Her expertise has been showcased on Discovery Health’s "Lifestyle Makeover" documentary, and she previously served as a GRAVITY Master Trainer with Total Gym.

Alongside her husband, Joe, Nicole brings her dedication to fitness full-time to Gut Check, driving its expansion across the U.S. and internationally. Her coaching approach blends challenge with support, encouraging clients to achieve personal growth through both mental and physical resilience. Nicole’s philosophy is one she embodies herself—she regularly participates in endurance events, ultra-marathons, and fitness competitions to lead by example.

Gut Check Fitness is a platform where Nicole’s extensive knowledge and passion for health create opportunities for everyone—from beginners to seasoned athletes—to thrive. With intense group classes, corporate wellness programs, and transformative events like The Suck, Nicole’s vision is to help clients redefine their fitness potential and discover strength they never knew they had.

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Can I get a GUT CHECK?!