Kim dominated the leaderboard after her stellar first run at the women's snowboard halfpipe event on Thursday in Beijing. She's the first woman to win multiple Olympic golds in the halfpipe.
Two days after the event was won by the Russian Olympic Committee, none of the athletes have received their medals. Officials cited unspecified legal issues.
Shiffrin, a two-time Olympic champion, did not to finish the women's slalom race on Wednesday. She previously won a gold medal in this competition in 2014 during the Sochi Olympics.
Jacobellis, a five-time Olympian, won her first gold medal during the women's snowboard cross event on Wednesday. She is also the oldest American woman to win a Winter Olympics gold medal.
"The sport of ski jumping has experienced one of its darker days," a Norwegian official said, after athletes from some of the top medal-contending teams were disqualified from competing.
Despite a fall during one of their qualifying runs, Shaun White and Chloe Kim were able to move on to the medal round of the men's and women's halfpipe events.
Canada's 4-2 victory over the U.S. in group play gives the Canadians the top-seed heading into the quarterfinals. The U.S., the defending gold medalists, also advance to the quarterfinals.
Beijing Olympic officials said the COVID-19 situation within the closed-loop bubble of the Games is tightly managed now. They may add more spectators to venues as the competitions continue.
Diggins snared a hard-won bronze medal in the grueling event after Swedish skiers took an early lead. The only other time a U.S. athlete has won an individual medal in cross country came in 1976.
Ryan Cochran-Siegle's Vermont family has sent six athletes to the Winter Olympics. His mom, Barbara Cochran, won gold in Sapporo, Japan, as an alpine ski racer in 1972.
Majestic and composed, Chen exulted at the end — shaking off his terrible short performance four years ago at the Pyeongchang Olympics and setting him up to win gold after Thursday's free skate.
Representatives of the International Olympic Committee said the risk of catching COVID-19 within the bubble at the 2022 Winter Olympics in Beijing is far less than it is outside.