Add Yahoo as a preferred source to see more of our stories on Google. People in a CrossFit class completing double-unders . CrossFit Open workout 24.2 has landed, and it’s worlds apart from week one’s ...

Double-unders. That hyphenated word strikes fear into the hearts of many CrossFitters. In a world that’s mostly made up of brute strength, endurance, and grit, double-unders are one of the rare ...

Add Yahoo as a preferred source to see more of our stories on Google. That last point is no small thing. If you’ve ever jumped rope for more than 30 seconds, you’ve felt its muscle burning, endurance ...