8. Stephanie Rice, Swimming:
Australian swimmer Stephanie Rice already holds the world record in the 400 meter women's individual medley. She's a three-time Olympic gold medalist, having captured all three at the 2008 games in Beijing.
Between 2007 and 2009, Rice medaled seven times at the World Championships (2 silver, 5 bronze), and in 2006, Rice won two gold medals at the Commonwealth Games and two bronze medals at the Pan Pacific Games.
