Medical student Julie Foucher says she spends all her time studying or in class when she's not CrossFitting. It seems to be working for the three-time Games competitor, who finished 2nd at the CrossFit Games this year. 

"I really want to help people avoid getting sick, and do everything they can to prevent it," she says.

The 2012 Reebok CrossFit Games will re-air on ESPN2 starting Dec. 16.