Genzebe Dibaba of Ethiopia competes in the women's 1500m semi-final during the 15th IAAF World Championships at the National Stadium in Beijing, China August 23, 2015. (Photo by Lucy Nicholson/Reuters)
Ingrid Landmark Tandrevold of Norway in the finish during the women´s biathlon pursuit during the Beijing 2022 Winter Olympics at National Biathlon Centre on February 13, 2022 in Zhangjiakou, China. (Photo by Hannah Mckay/Reuters)
China's Gu Ailing Eileen waits to see her score as she competes in the freestyle skiing women's freeski slopestyle final run during the Beijing 2022 Winter Olympic Games at the Genting Snow Park H & S Stadium in Zhangjiakou on February 15, 2022. (Photo by Marco Bertorello/AFP Photo)
Kamila Valieva, of the Russian Olympic Committee, reacts after competing in the women's free skate program during the figure skating competition at the 2022 Winter Olympics, Thursday, February 17, 2022, in Beijing. (Photo by David J. Phillip/AP Photo)
Japan's Chinami Yoshida shouts instructions to teammates during a women's curling semifinal match between Japan and Switzerland at the Beijing Winter Olympics Friday, February 18, 2022, in Beijing. (Photo by Nariman El-Mofty/AP Photo)
Emma Coburn (L) and Colleen Quigley of the U.S. look at the scoreboard after competing in the women's 3,000 metres steeplechase final during the 15th IAAF World Championships at the National Stadium in Beijing, China August 26, 2015. (Photo by David Gray/Reuters)
Participants wearing masks during a hazy day at the Beijing International Marathon in front of Tiananmen Square, in Beijing, October 19, 2014. (Photo by Reuters/Stringer)
Frost covers a face shield of a volunteer before the start of the women's 7.5km + 7.5km skiathlon cross-country skiing competition at the 2022 Winter Olympics, Saturday, February 5, 2022, in Zhangjiakou, China. (Photo by Alessandra Tarantino/AP Photo)