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Seo Yira of South Korea and Han Tianyu of China crash during their men's 500 meters short track speedskating quarterfinal in the Gangneung Ice Arena at the 2018 Winter Olympics in Gangneung, South Korea, Thursday, Feb. 22, 2018.

Christopher Del Bosco of Canada, right, flies through the air before crashing as Sergey Ridzik, Olympic Athletes of Russia, from left, Francois Place of France and Siegmar Klotz of Italy compete in the men's ski cross elimination round at Phoenix Snow Park at the 2018 Winter Olympics in Pyeongchang, South Korea, Wednesday, Feb. 21, 2018.

From right, Charlotte Gilmartin of Britain, Petra Jaszapati of Hungary and Emina Malagich of the Olympic Athletes of Russia crash in the ladies' 500 meters short-track speedskating in the Gangneung Ice Arena at the 2018 Winter Olympics in Gangneung, South Korea, Saturday, Feb. 10, 2018.

Omar聽Visintin, of Italy, left, and Lucas聽Eguibar, of Spain, crash during the men's snowboard cross elimination round at Phoenix Snow Park at the 2018 Winter Olympics in Pyeongchang, South Korea, Thursday, Feb. 15, 2018.

J.R. Celski of the United States repairs his skates after a crash during the Men's 1000m Short Track Speed Skating qualifying on day four of the PyeongChang 2018 Winter Olympic Games at Gangneung Ice Arena on Feb. 13, 2018 in Gangneung, South Korea.

Anna Seidel of Germany, Yara Van Kerkhof of the Netherlands and Sofia Prosvirnova of the Olympic Athletes of Russia crash as Li Jinyu of China skates by during their women's 1000 meters short track speedskating heat in the Gangneung Ice Arena at the 2018 Winter Olympics in Gangneung, South Korea, Tuesday, Feb. 20, 2018.

Valeria Pavlova #15 of Olympic Athlete from Russia and Minnamari Tuominen #15 of Finland collide in the first period during the Women's Ice Hockey Bronze Medal game on day twelve of the PyeongChang 2018 Winter Olympic Games at Kwandong Hockey Centre on Feb. 21, 2018 in Gangneung, South Korea.

Alexandra Orlova of Olympic Athlete from Russia crashes during the Freestyle Skiing Ladies' Aerials final on day seven of the PyeongChang 2018 Winter Olympic Games at Phoenix Snow Park.

Charlotte Gilmartin of Great Britain, Olympic Ahtlete from Russia Emina Malagich and Petra Jaszapati of Hungary collide as Min Jeong Choi of Korea races away during the Ladies聮 500m Short Track Speed Skating qualifying on day one of the PyeongChang 2018 Winter Olympic Games at Gangneung Ice Arena on Feb. 10, 2018 in Gangneung, South Korea.

Hagen Kearney of the United States (red) leads the pack as Lluis Marin Tarroch of Andorra (yellow), Adam Lambert of Australia (blue) and Christopher Robanske of Canada (green) collide during the Men's Snowboard Cross 1/8 Final on day six of the PyeongChang 2018 Winter Olympic Games at Phoenix Snow Park on Feb. 15, 2018 in Pyeongchang-gun, South Korea.

Maddie Bowman of the United States crashes during the Freestyle Skiing Ladies' Ski Halfpipe Final on day eleven of the PyeongChang 2018 Winter Olympic Games at Phoenix Snow Park on Feb. 20, 2018 in Pyeongchang-gun, South Korea.

Elise Christie of Great Britain is put on a stretcher after a crash with Jinyu Li of China during the Short Track Speed Skating Ladies' 1500m Semifinals on day eight of the PyeongChang 2018 Winter Olympic Games at Gangneung Ice Arena on February 17, 2018 in Gangneung, South Korea.

Driver Nico Walther and Christian Poser of Germany crash in the finish area after the second run during the two-man bobsled competition at the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 18, 2018. (AP Photo/Michael Sohn)

Christoph Wahrestoetter of Austria, Erik Mobaerg of Sweden crash in the Freestyle Skiing Men's Ski Cross 1/8 finals on day 12 of the PyeongChang 2018 Winter Olympic Games at Phoenix Snow Park on February 21, 2018 in Pyeongchang-gun, South Korea.

Choi Min-jeong of South Korea races ahead of Elise Christie, left, of Britain and Li Jinyu of China as they crash out of their women's 1500 meters short track speedskating semifinal in the Gangneung Ice Arena at the 2018 Winter Olympics in Gangneung, South Korea, Saturday, Feb. 17, 2018. (AP Photo/David J. Phillip)

Madison Olsen of the United States crashes during the Freestyle Skiing Ladies' Aerials final on day seven of the PyeongChang 2018 Winter Olympic Games at Phoenix Snow Park.

Michelle Gisin of Switzerland crashes out during the Alpine Skiing Women's Downhill at Jeongseon Alpine Centre February 21, 2018.

Sukhee Shim of Korea and Minjeong Choi of Korea crash during the Short Track Speed Skating - Ladies' 1000m Final A on day thirteen of the PyeongChang 2018 Winter Olympic Games at Gangneung Ice Arena on Feb. 22, 2018 in Gangneung, South Korea.

Italy's Lucia Peretti and Cecilia Maffei collide with Canada's Valerie Maltais during their women's 3000 meters short track speedskating relay A final in the Gangneung Ice Arena at the 2018 Winter Olympics in Gangneung, South Korea, Tuesday, Feb. 20, 2018.

Alexandra Orlova, Olympic Athlete from Russia, crashes during the Freestyle Skiing Ladies' Aerials final on day seven of the PyeongChang 2018 Winter Olympic Games at Phoenix Snow Park.