Since the CrossFit Games came onto the scene in 2007, the sport has been rising in popularity ever since. It's not for the faint-hearted, though; workouts are completed at a high intensity and can ...

They saved the worst for last.

If you're up for a very tough workout that takes everything you've got, this high-intensity program may be right for you. Started by a former gymnast and gymnastics coach, CrossFit lets you pick from ...