In “The Glass Box,” Calum Marsh chronicles the rise and fall of a fitness empire. By Karen Valby Karen Valby’s latest book is ...

CrossFit believes our needs differ by degree and not by kind. The workouts are infinitely scalable to meet the athlete where ...

Once upon a time, getting in a good workout meant going to the gym, jumping on a treadmill, lifting some weights and calling ...

One of the biggest hurdles in getting CrossFit into the Olympic Games may lie in something as simple as a name. Gretchen Kittelberger, the president of the International Functional Fitness Federation ...

A few months ago, after years of hearing many rumors about CrossFit — that it changes your life, that it's incredibly hard, that it's caused more than a few muscles to be ripped from bone — I finally ...

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Can 20 minutes of push-ups, pull-ups, and squats really transform your fitness? I did the classic CrossFit Cindy WOD for a ...

CrossFit has been rapidly growing in popularity for years, and the sport now has thousands of athletes competing, and even more followers. The annual CrossFit Games showpiece attracts thousands of ...

Hate it or love it, people have strong opinions about CrossFit. Devotees tout it as the best way to transform your body, while critics say there's no surer way to end up injured. Regardless, there's ...

CrossFit workouts can be adapted to suit people of all abilities. Anatoliy Karlyuk/ Shutterstock Though CrossFit is often seen as a sport for the super fit, that shouldn’t put you off from trying it.