Sochi 2014: 10 worldwide medal hopefuls for the Winter Olympics
Alpine skiing
Lindsey Vonn (USA) - The high-profile American has set plenty of skiing records - now she is looking to overcome serious injury and clinch another Olympic gold.
Bobsleigh
Kaillie Humphries (Canada) - Reigning Olympic and world champion Humphries once considered switching allegiance to Great Britain, and her training routine includes pushing cars.
Cross-country skiing
Marit Bjoergen (Norway) - The 33-year-old is a 12-time world champion and won five Olympic medals in 2010, but her unrivalled success in Vancouver was soured by allegations of cheating.
Figure skating
Yuna Kim (South Korea) - A superstar in her own country, she is looking to end her glittering career at the age of 23 by retaining the Olympic figure skating title.
Ice hockey
Alex Ovechkin (Russia) - An NHL superstar famed for partying as hard as he plays, the Russian hopes to inspire his country to ice hockey gold.
Luge
Felix Loch (Germany) - Olympic and world champion Loch is the son of a Winter Olympian and will be the man to beat in Sochi.
Short track speed skating
Wang Meng (China) - Her country's most successful Olympian has put a ban behind her and will challenge for more gold in Sochi.
Ski jumping
Sara Takanashi (Japan) - The schoolgirl will start as favourite for gold when women's ski jumping makes its Olympic debut in Sochi.
Snowboarding
Lindsey Jacobellis (USA) - The American will head to Sochi still searching for redemption in the snowboard cross after her infamous crash at the 2006 Winter Games.
Shaun White (USA) - full profile: The Flying Tomato has lost his trademark locks but none of his snowboarding skills - he's bidding for a third consecutive gold.
Source: BBC NEWS