A 2006 silver medalist from Stratton Mountain in Vermont, Jacobellis is one of the elite athletes in snowboarding.
Jacobellis competes in the snowboardcross event, a multi-participant snowboarding race that debuted at the 2006 Winter Olympics. She's won gold at every Winter X Games event since 2003, with the exception of a silver place finish in 2007.
Website: Jacobellis' official site
AP Photo / Kerstin Joensson