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(L-R) Anna Woerner of Germany, Kelsey Serwa of Canada, Georgia Simmerling of Canada, Fanny Smith of Switzerland compete in the 1/4 final of the women's Freestyle Ski Cross event in Rosa Khutor Extreme Park at the Sochi 2014 Olympic Games, Krasnaya Polyana, Russia, 21 February 2014. EPA/Daniel Karmann ( epaselect RUSSIA SOCHI 2014 OLYMPIC GAMES )

(L-R) Georgia Simmerling of Canada, Anna Woerner of Germany and Sami Kennedy-Sim of Australia compete in the 1/8 final of the women's Freestyle Ski Cross event in Rosa Khutor Extreme Park at the Sochi 2014 Olympic Games, Krasnaya Polyana, Russia, 21 February 2014. EPA/DANIEL KARMANN ( RUSSIA SOCHI 2014 OLYMPIC GAMES )

Marielle Thompson (front) leads fellow Canadian Kelsey Serwa on her way to winning in the women's Freestyle Ski Cross event at the Sochi 2014 Olympic Games, Krasnaya Polyana, Russia, 21 February 2014. EPA/SERGEY ILNITSKY ( RUSSIA SOCHI 2014 OLYMPIC GAMES )

Stephanie Joffroy of Chile crashes the women's Freestyle Ski Cross event at the Sochi 2014 Olympic Games, Krasnaya Polyana, Russia, 21 February 2014. EPA/SERGEY ILNITSKY ( RUSSIA SOCHI 2014 OLYMPIC GAMES )

Sandra Naeslund of Sweden leads (from left) Kelsey Serwa of Canada, Katrin Ofner of Austria and Fanny Smith of Switzerland in the semi final of the women's Freestyle Ski Cross event in Rosa Khutor Extreme Park at the Sochi 2014 Olympic Games, Krasnaya Polyana, Russia, 21 February 2014. EPA/JENS BUETTNER ( RUSSIA SOCHI 2014 OLYMPIC GAMES )

(L-R) Ophelie David of France, Kelsey Serwa of Canada, Marielle Thompson of Canada and Anna Holmlund of Sweden compete in the Freestyle Skiing Womens' Ski Cross Final on day 14 of the 2014 Winter Olympics at Rosa Khutor Extreme Park on February 21, 2014 in Sochi, Russia. (Photo by Cameron Spencer/Getty Images) ( 470906655 )

Marielle Thompson of Canada leads Kelsey Serwa of Canada in the Freestyle Skiing Womens' Ski Cross Big Final on day 14 of the 2014 Winter Olympics at Rosa Khutor Extreme Park on February 21, 2014 in Sochi, Russia. (Photo by Lars Baron/Getty Images) ( 470907407 )

Stephanie Joffroy of Chile is stretchered away after crashing in the Freestyle Skiing Womens' Ski Cross Quarterfinals on day 14 of the 2014 Winter Olympics at Rosa Khutor Extreme Park on February 21, 2014 in Sochi, Russia. (Photo by Lars Baron/Getty Images) ( 470907541 )

(L-R) Jorinde Mueller of Switzerland, Andrea Limbacher of Austria, Sandra Naeslund of Sweden and Jenny Owens of Australia compete in the Freestyle Skiing Womens' Ski Cross 1/8 Finals on day 14 of the 2014 Winter Olympics at Rosa Khutor Extreme Park on February 21, 2014 in Sochi, Russia. (Photo by Cameron Spencer/Getty Images) ( 470910703 )

(L-R) Sanna Luedi of Switzerland, Katya Crema of Australia, Nikol Kucerova of Czech Republic compete in the Freestyle Skiing Womens' Ski Cross 1/8 Finals on day 14 of the 2014 Winter Olympics at Rosa Khutor Extreme Park on February 21, 2014 in Sochi, Russia. (Photo by Cameron Spencer/Getty Images) ( 470910835 )

(L-R) Alizee Baron of France, Marielle Thompson of Canada, Yulia Livinskaya of Russia compete in the Freestyle Skiing Womens' Ski Cross 1/8 Finals on day 14 of the 2014 Winter Olympics at Rosa Khutor Extreme Park on February 21, 2014 in Sochi, Russia. (Photo by Cameron Spencer/Getty Images) ( 470910917 )

Kelsey Serwa of Canada wins the silver medal during the Freestyle Skiing Women's Ski Cross at the Rosa Khutor Extreme Park on February 21, 2014 in Sochi, Russia. (Photo by Christophe Pallot/Agence Zoom/Getty Images) ( 470910997 )

Marielle Thompson of Canada wins the gold medal, Kelsey Serwa of Canada wins the silver medal, Anna Holmlund of Sweden wins the bronze medal during the Freestyle Skiing Women's Ski Cross at the Rosa Khutor Extreme Park on February 21, 2014 in Sochi, Russia. (Photo by Christophe Pallot/Agence Zoom/Getty Images) ( 470911005 )

Marielle Thompson of Canada wins the gold medal during the Freestyle Skiing Women's Ski Cross at the Rosa Khutor Extreme Park on February 21, 2014 in Sochi, Russia. (Photo by Christophe Pallot/Agence Zoom/Getty Images) ( 470911021 )

Sami Kennedy-Sim of Australia leads from Georgia Simmerling (L) of Canada and Anna Woerner (C) of Germany in the Freestyle Skiing Womens' Ski Cross 1/8 Finals on day 14 of the 2014 Winter Olympics at Rosa Khutor Extreme Park on February 21, 2014 in Sochi, Russia. (Photo by Cameron Spencer/Getty Images) ( 470915211 )

Gold Medallist, Canada's Marielle Thompson (R) races ahead of Silver Medallist, Canada's Kelsey Serwa (2nd R), Bronze Medallist, Sweden's Anna Holmlund (L) and France's Ophelie David in the Women's Freestyle Skiing Ski Cross Final at the Rosa Khutor Extreme Park during the Sochi Winter Olympics on February 21, 2014. AFP PHOTO / JAVIER SORIANO/AFP/Getty Images ( 527332206 )

Skiers race in Heat 13 of the Women's Freestyle Skiing Ski Cross Semifinals at the Rosa Khutor Extreme Park during the Sochi Winter Olympics on February 21, 2014. AFP PHOTO / PETER PARKS/AFP/Getty Images ( 527333655 )

Skiers race in the Women's Freestyle Skiing Ski Cross Small Final at the Rosa Khutor Extreme Park during the Sochi Winter Olympics on February 21, 2014. AFP PHOTO / JAVIER SORIANO/AFP/Getty Images ( 527333863 )

Athletes compete in the Women's Freestyle Skiing Ski Cross Quarterfinals at the Rosa Khutor Extreme Park during the Sochi Winter Olympics on February 21, 2014. AFP PHOTO / PETER PARKS/AFP/Getty Images ( 527333918 )

Athletes compete in heat 3 of the Women's Freestyle Skiing Ski Cross 1/8 Finals at the Rosa Khutor Extreme Park during the Sochi Winter Olympics on February 21, 2014. AFP PHOTO / JAVIER SORIANO/AFP/Getty Images ( 527333959 )

Switzerland's Fanny Smith (top) and Canada's Kelsey Serwa compete in the Women's Freestyle Skiing Ski Cross 1/8 Finals at the Rosa Khutor Extreme Park during the Sochi Winter Olympics on February 21, 2014. AFP PHOTO / FRANCK FIFE/AFP/Getty Images ( 527336700 )

Skiers race in the Women's Freestyle Skiing Ski Cross Small Final at the Rosa Khutor Extreme Park during the Sochi Winter Olympics on February 21, 2014. AFP PHOTO / FRANCK FIFE/AFP/Getty Images ( 527336490 )

Canada's silver medallist Kelsey Serwa (L) and Canada's gold medal winner Marielle Thompson jump in the air as they celebrate at the Women's Freestyle Skiing Ski Cross Flower Ceremony at the Rosa Khutor Extreme Park during the Sochi Winter Olympics on February 21, 2014. AFP PHOTO / FRANCK FIFE/AFP/Getty Images ( 527337726 )

A picture taken with a robotic camera shows (from L) Canada's silver medallist Kelsey Serwa, Canada's gold medallist Marielle Thompson and Sweden's bronze medallist Anna Holmlund posing during the Women's Freestyle Skiing Ski Cross Medal Ceremony at the Sochi medals plaza during the Sochi Winter Olympics on February 21, 2014. AFP PHOTO / ANTONIN THUILLIER/AFP/Getty Images ( 527343147 )

Canada's silver medallist Kelsey Serwa (R), Canada's gold medallist Marielle Thompson (C) and Sweden bronze medallist Anna Holmlund pose during the Women's Freestyle Skiing Ski Cross Medal Ceremony at the Sochi medals plaza during the Sochi Winter Olympics on February 21, 2014. AFP PHOTO / ANDREJ ISAKOVIC/AFP/Getty Images ( 527343700 )