1 of 13Lindsey Vonn
The most successful female skier in U.S. history with back-to-back overall World Cup championships, Vonn is poised to make a big showing in the alpine events. Though she has been to two Olympics, the 25-year-old — who raced in Torino after suffering a gnarly crash in downhill practice — has never medaled. Since Torino, Vonn has dominated the sport, snagging 28 more World Cup victories.
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