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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Free Class Sundays at 10:30am

Come try our beginner class! Try a workout and get a feel for CrossFit.
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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.

Workout Blog

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

Try a Class for Free Every Thursday or Sunday

Come in for any group class on Thursdays or attend our Beginner Class on Sundays at 10:30am. There’s no better way to experience CrossFit for the first time than in one of our group classes and in the expert care of our coaching staff. Find a Thursday class time that works for you and shoot us an email so we know to expect you.

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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