Annual Winter Apparel Pre-order

Pre-order your winter hoodies, tees, and sweatpants now through November 30.

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CrossFit Roots

An exceptional community of supportive athletes, coaches with the highest credentials, and small class sizes, all built on a solid foundation of programming make for the best CrossFit experience around.
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Celebrate With Us!

We hope you can join us this holiday season for the annual Thanksgiving Happy Hour and the December Holiday Party.

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Specialty Programs

In addition to group classes and private training, we offer programs for kids, teens, women, endurance specialists, and Olympic Weightlifters. We also offer massage and manual physical therapy services.
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About Us

We run a professional, no frills, CrossFit. We have everything you need to train hard.

Our Programs

In addition to group CrossFit Membership, we offer a variety of Programs and Services.

Try A Class

Come try our free Beginner class! The class meets Sundays from 10:30-11:30am.

Workout Blog

Learn the workout of the day (WOD) and read up on a variety of CrossFit topics.

Definitely the best CrossFit gym you will find in Boulder!  Great space with fantastic views of the Flatirons.

Shelby D.

Boulder, CO

Been going here for four years now, top notch box. Top ranked coaches and trainers in the US, if not globally.

Alex C.

Boulder, CO


2406 30th St. Boulder, CO 80301


(303) 578-8455