American John Shuster celebrates a point during the curling men's gold-medal game between the U.S. and Sweden, Feb. 24, 2018. The U.S. defeated Sweden 10-7.

Sweden's skip Niklas Edin reacts during the men's final curling match against the U.S., Feb. 24, 2017. The U.S. defeated Sweden, 10-7.

Members of the U.S. curling team from left to right, Joe Polo, John Landsteiner, Matt Hamilton, Tyler George, and skip John Shuster pose with their gold medals during the victory ceremony.

Nevin Galmarini of Switzerland during the men's snowboard parallel giant slalom quarterfinal at Phoenix Snow Park, Feb. 24, 2018. Galmarini went on to win the gold medal in this event.

Sebastien Toutant of Canada on his way to winning the gold medal during the men's snowboard big air final at Alpensia ski jumping center, Feb. 24, 2018.

American Kyle Mack during the men's snowboard big air final, Feb. 24, 2018. Mack won the silver medal with 168.75 points.

Ivanka Trump watches American Kyle Mack in the snowboard men's big air final, Feb. 24, 2018. With her from left to right, White House press secretary Sarah Sanders; IOC executive board member Angela Ruggiero, and South Korean first lady Kim Jung-sook.

Somehow, Ester Ledecka of the Czech Republic kept her balance during her run in the women's parallel giant slalom final,Feb. 24, 2018. Ledecka made history today in winning gold medals in both this event and the women's super-G alpine skiing event held earlier.

Iivo Niskanen of Finland leads the pack during the men's cross-country 50 km mass start classic, Feb. 24, 2018. Niskanen went on to win the gold medal with a finishing time of 2:08:22.1.

It was a busy day at the Gangneung Oval where the speed-skating events have been held with four semifinal events leading to the men's and women's mass start final. Here, athletes taking part in the men's semifinal event, Feb. 24, 2018.

Seung-Hoon Lee of South Korea, foreground, in the final sprint to win the gold medal in the men's speed-skating mass start final at the Gangneung Ova, Feb. 24, 2018.

Japan's Nana Takagi celebrates winning the gold medal in the women's mass start final speed-skating event, Feb. 24, 2018.

The gold-medal winning team of Switzerland celebrates during the venue ceremony for the alpine team event big final race at the Yongpyong Alpine Center, Feb. 24, 2018.

Members of the Canadian men's hockey team shake hands with the players from the Czech Republic after Canada won the men's bronze-medal game, Feb. 24, 2018. Canada defeated Czech Republic 6-4.

America's Nick Cunningham, Hakeem Abdul-Saboor, Christopher Kinney and Samuel Michener working to get their hands inside the sled during the 4-man bobsleigh heats at the Olympic sliding center, Feb. 24, 2018.

Fog was descending on the Alpensia cross country ski centre when Denmark's Martin Moeller crossed the finish line in the men's 50 km cross-country mass start classic, Feb. 24, 2018. Moeller came in last place with a time of 2:36:10.8.