4-Week Double Under Clinic “I just need to get stronger, and then I would be able to do double unders,” said no one ever. That’s because double unders are a skill that requires practice! We are very excited to debut a 4-week double under clinic to learn, practice, and refine the art and skill of the double under. Whether you’ve been doing CrossFit for years and just haven’t been able to nail them down or just started and want to get a leg up on this skill, this clinic is all you need to turn those dreams into reality. Join James for a four-week double under clinic to overcome the movement! This 4-week clinic will dive into everything from grip and stance, and layer in aspects of the double under week over week to build to the final product. You’ll work on ONE THING at a time, ensuring that athletes...Read more

From sound-mitigation improvements to open coworking access to new classes and a year-long nutrition progression, to continuing to push the envelope on program development, execution, and athletic development and support - we selected each of these efforts to improve your day-to-day experience here at the shop and beyond.Read more

James Cho (CF-L3) announced as interim coach at Roots. Fullswift Physio opens a satellite office in Roots. And the 2026 Food Challenge details are announced!Read more

CrossFit Roots is hosting a food drive this holiday season to support EFFA, the Emergency Family Assistance Association here in Boulder.Read more

Dear Roots Crew,  ‘Tis the season of giving! Here at CrossFit Roots, we’re excited to give you not one, but 12 glorious gifts in the form of the 12 Days of CrossFit Roots. Mark your calendars for this annual tradition set for all group classes on Friday, December 19th. As 2025 winds down, we want to celebrate with you and calibrate our efforts going into 2026. Please make sure to join us for the annual Holiday Party THIS Saturday from 6:30-“10:00″pm. We’d love to celebrate the season with you. And with the close of 2025 comes motivation and a fresh start. We’re pumped to have the #800gchallenge loaded up for January 5th. Join us on YouTube LIVE on December 9th to learn all about the challenge (details below). Make sure to take a glance at the Quick Hits section below so you don’t miss any of the many awesome things...Read more