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Gut Check Fitness Logo

The Earth is Your Gym

AS SEEN ON

DON'T DREAM OF WINNING, TRAIN FOR IT

Image by Alora Griffiths

VIDEO ON DEMAND

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Members Only

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“Gut Check is an empowering addiction. They take advantage of San Diego's beauty and bring together a community of some kick a** people. I am a female in my mid 20's and have been with Gut Check for 2 years. I've EXCEEDED my personal fitness goals and have the best time doing it! LOVE Gut Check Fitness.”

maecie ireland

Upcoming Events

  • The Ultimate SUCK
    The Ultimate SUCK
    Fri, Aug 29
    Decker Farm
    Aug 29, 2025, 7:00 PM CDT – Aug 31, 2025, 7:00 AM CDT
    Decker Farm, 22721 N Polecat Rd, Cuba, IL 61427, USA
    Aug 29, 2025, 7:00 PM CDT – Aug 31, 2025, 7:00 AM CDT
    Decker Farm, 22721 N Polecat Rd, Cuba, IL 61427, USA
    Conan the Barbarian meets Full Metal Jacket with a dash of Deliverance! You may want to get familiar with shooting a shotgun, bailing or carrying hay, chopping wood, and carrying all kinds of heavy stuff. Welcome to the SUCK.

About US

Joe & Nicole Decker

Gut Check Fitness was founded in 2006 in San Diego by Joe Decker and his wife, Nicole. They started an affiliate program in 2013, fulfilling their dream of bringing their one-of-a-kind outdoor fitness company to cities around the world. Joe Decker is recognized as “The Worlds Fittest Man,” an ultra-endurance power athlete, renowned fitness trainer, and syndicated columnist who has helped thousands of women, men, kids and seniors get into shape and lose weight.
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