Photo Gallery: Day 1

Sage Kotsenburg of the U.S. winning gold medal in slopestyle at Rosa Khutor Extreme Park on Saturday. AP Photo/Sergei Grits

Sage Kotsenburg of the U.S. during his gold medal performance. Cameron Spencer/Getty Images

Sage Kotsenburg during his victorious slopestyle run. Christophe Pallot/Agence Zoom/Getty Images

Sage Kotsenburg getting some serious air. Mike Ehrmann/Getty Images

Sage Kotsenburg, gold medalist. REUTERS/Lucas Jackson

Sage Kotsenburg celebrating his victory. REUTERS/Dylan Martinez

Bronze medalist Mark McMorris of Canada and gold medalist Sage Kotsenburg of the United States joke as they make their way to the podium. Quinn Rooney/Getty Images

Norway's Staale Sandbech completing his run. AP Photo/Andy Wong

Staale Sandbech of Norway after learning he took silver. Christophe Pallot/Agence Zoom/Getty Images

Gold medalist Sage Kotsenburg, silver medalist Staale Sandbech,left, and bronze medalist Mark McMorris on the podium. REUTERS/Shamil Zhumatov

Sven Kramer of the Netherlands setting Olympic record as he wins the mens 5000m speed skating race at Adler Arena. Paul Gilham/Getty Images

Sven Kramer of the Netherlands setting Olympic record in the 5000m. REUTERS/Marko Djurica

Sven Kramer led a sweep for the Netherlands in the 5000m. Quinn Rooney/Getty Images

Silver medalist Jan Blokhuijsen, gold medalist Sven Kramer and bronze medalist Jorrit Bergsma on the podium. Quinn Rooney/Getty Images

Yulia Lipnitskaya of Russia during the figure skating team womens short program. REUTERS/Lucy Nicholson

Stefania Berton and Ondrej Hotarek of Italy compete in the team pairs free skate at the Iceberg Skating Palace. AP Photo/Vadim Ghirda

Narumi Takahashi and Ryuichi Kihara of Japan compete in the team pairs free skate. AP Photo/Ivan Sekretarev

Germany's Laura Grasemann performs a jump during the womens freestyle skiing moguls qualification round. REUTERS/Dylan Martinez

Germany's Felix Loch speeds down the track during the mens singles luge competition. REUTERS/Arnd Wiegmann

Finland's goalie Noora Raty looks back after goal scored by Kelli Stack of the U.S. during the second period. U.S won, 3-1. REUTERS/Matt Slocum/Pool

Switzerland's Nadja Jnglin-Kamer crashes near the finish line during a women's downhill training run. AP Photo/Christophe Ena

Norway's Ole Einar Bjoerndalen won gold in the mens biathlon 10 km sprint, his Olympic-record 12th career medal. KIRILL KUDRYAVTSEV/AFP/Getty Images

Biathlete Ole Einar Bjoerndalen on his way to winning the gold medal. AP Photo/Felipe Dana

Ole Einar Bjoerndalen shoots during the men's biathlon 10k sprint. AP Photo/Lee Jin-man

Gold medalist Ole Einar Bjoerndalen, 40. Richard Heathcote/Getty Images

Nicole Fessel, right, of Germany competes in the womens skiathlon 7.5 km classic + 7.5 km free at the Laura cross-country ski & biathlon center. Harry How/Getty Images

Mass start of the womens skiathlon. Vianney Thibaut/Agence Zoom/Getty Images

Gold medal winner Marit Bjoergen, of Norway, leads silver medalist Charlotte Kalla of Sweden and bronze medalist Heidi Weng of Norway during the women's 15k skiathlon. AP Photo/Kirsty Wigglesworth

Marit Bjoergen, Therese Johaug and Heidi Weng in the skiathlon. Richard Heathcote/Getty Images

Marit Bjoergen leads Therese Johaug and Charlotte Kalla in the skiathon. Paul Bussi-USA TODAY Sports

Therese Johaug, Marit Bjoergen and Justyna Kowalczyk (3) lead the field during the skiathon. Paul Bussi-USA TODAY Sports

After crossing the finish line in the womens skiathlon. REUTERS/Sergei Karpukhin