33 South Pratt Parkway

Longmont, CO 80501

Suite 200


Tel: 303-485-1000

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Our Reviews
Great owner, great atmosphere, great classes, and great instructors!
Need I say more? Heather HW.
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If you would like to get started with a FREE 3 Day Trial* to fully experience the what Grit Fitness can do for you TEXT - "OH YEAH" - to (720) 477-4742

 * - Trial is for Adults only, make sure to tell us your name too.
The Place to go for Results
Our purpose is to educate, guide and coach every client toward achieving significant, life-changing goals. Which is why we offer the 6 Week Body Transformation Challenge to everyone who comes to Grit. This personalized life changing routine includes... 
The Place to go for Fun, Challenging, & Rewarding Workouts 
Grit Fitness is actually the old name of the Warrior Playground adult fitness program. We have helped hundreds of local community members make drastic lifestyle changes & our goal is to help thousands more  Read More... 
Take a look at what we have to offer 
Member Testimonial for Women's Obstacle class                            


If you are interested in our Warrior Playground facility, please visit our other site: www.warriorplayground.com



About Grit Fitness 


Grit Fitness was inspired by the spirit of the people of Longmont and Lyon’s who showed such perseverance during and after the flood of 2013.



Grit Fitness Services:
  • Membership Information

  • Class Membership

  • Personal Training

  • PreHab & ReHab Training

  • Corrective Exercise

  • Core & Balance Training

  • Customized Nutritional Programs

  • Yoga & Pilates