Katie Ledecky of United States prepares for her swim in the women's 200-meter freestyle semifinal at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)

Russian Olympic Committee's artistic gymnastics men's team, from right, Denis Abliazin, Nikita Nagornyy, David Belyavskiy and Artur Dalaloyan celebrate after winning the gold medal at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo. (AP Photo/Gregory Bull)

Caeleb Dressel of the United States stands on the start blocks for his heat of the men's 100-meter freestyle at the 2020 Summer Olympics, Tuesday, July 27, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)