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 ...

In the late 2010s, Greg Glassman’s private plane was less than an hour from Denver when he decided he couldn’t wait that long ...

When five-time CrossFit Games champion Mat Fraser announced earlier this month that he planned to compete again in 2027, the ...

CrossFit is like cycle syncing and the Cloud: Most people have heard of it, but few people actually understand what it is. But unlike the IRL versions of these moves, in CrossFit, they are ...

Add Yahoo as a preferred source to see more of our stories on Google. Few fitness trends have experienced as meteoritic a rise in as short a period of time as has CrossFit. First entering the scene ...

Glassman’s lifestyle included expensive travel, lavish hotel stays, affairs and corporate expenses that ran into hundreds of ...

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 ...

Obi Vincent attempts a 7-minute CrossFit Open workout with thrusters and chest-to-bar pull-ups. The workout raises the reps ...

HYROX is trending.It combines running with exercises like wall balls and sled pushes, which you perform in sequence to ...

There are more gyms in America than ever before but we're more overweight than we've ever been. Lots of people have theories as to why, but we're about to introduce you to a man who says he's figured ...

Aroostook Iron CrossFit is commemorating Veterans Day on Wednesday, Nov. 11 with a special workout and would like to invite the ...