Chen, Kim soar to Olympic gold medals on best day for US

Nathan Chen, of the United States, competes in the men's free skate program during the figure skating event at the 2022 Winter Olympics, Thursday, Feb. 10, 2022, in Beijing. (AP Photo/David J. Phillip)

Gold medal winner United States' Chloe Kim celebrates during the venue ceremony for the women's halfpipe at the 2022 Winter Olympics, Thursday, Feb. 10, 2022, in Zhangjiakou, China. (AP Photo/Lee Jin-man)

Nathan Chen, of the United States, competes in the men's free skate program during the figure skating event at the 2022 Winter Olympics, Thursday, Feb. 10, 2022, in Beijing. (AP Photo/Jae C. Hong)

Johannes Strolz, of Austria, gold, celebrates with teammates after the medal ceremony for the the men's combined at the 2022 Winter Olympics, Thursday, Feb. 10, 2022, in the Yanqing district of Beijing. (AP Photo/Luca Bruno)

United States' Chloe Kim competes during the women's halfpipe finals at the 2022 Winter Olympics, Thursday, Feb. 10, 2022, in Zhangjiakou, China. (AP Photo/Lee Jin-man)

United States' Chloe Kim reacts during the women's halfpipe finals at the 2022 Winter Olympics, Thursday, Feb. 10, 2022, in Zhangjiakou, China. (AP Photo/Lee Jin-man)

Nathan Chen, left, of the United States, celebrates with his coach Rafael Arutyunyan after winning the gold medal in the men's free skate program during the figure skating event at the 2022 Winter Olympics, Thursday, Feb. 10, 2022, in Beijing. (AP Photo/David J. Phillip)

United States' Chloe Kim reacts during the women's halfpipe finals at the 2022 Winter Olympics, Thursday, Feb. 10, 2022, in Zhangjiakou, China. (AP Photo/Lee Jin-man)

Kamila Valieva, of the Russian Olympic Committee, trains at the 2022 Winter Olympics, Thursday, Feb. 10, 2022, in Beijing. (AP Photo/Jeff Roberson)

Kamila Valieva, of the Russian Olympic Committee, trains at the 2022 Winter Olympics, Thursday, Feb. 10, 2022, in Beijing. (AP Photo/Jeff Roberson)

United States' Chloe Kim reacts during the women's halfpipe finals at the 2022 Winter Olympics, Thursday, Feb. 10, 2022, in Zhangjiakou, China. (AP Photo/Lee Jin-man)

Johannes Strolz, of Austria, celebrates winning the gold medal in the men's combined at the 2022 Winter Olympics, Thursday, Feb. 10, 2022, in the Yanqing district of Beijing. (AP Photo/Dmitri Lovetsky)

Nathan Chen, of the United States, competes in the men's free skate program during the figure skating event at the 2022 Winter Olympics, Thursday, Feb. 10, 2022, in Beijing. (AP Photo/Jeff Roberson)