From left, Grace McCallum, Jordan Chiles, Simone Biles, and Sunisa Lee of the United States wait their turn to train on vault for artistic gymnastics at Ariake Gymnastics Centre venue ahead of the 2020 Summer Olympics, Thursday, July 22, 2021, in Tokyo, Japan. (AP Photo/Ashley Landis)

FILE - In this June 20, 2021, file photo, Caeleb Dressel reacts after the men's 50-meter freestyle during wave 2 of the U.S. Olympic Swim Trials in Omaha, Neb. For a man tabbed as swimming’s next superstar, Dressel could not be more disinterested. Of course, he cares about being fast in the pool. He just is not into anyone else’s expectations or comparisons. Fame is not his thing, either. (AP Photo/Jeff Roberson, File)

Simone Biles of the United States smiles as she trains for artistic gymnastics at Ariake Gymnastics Centre ahead of the 2020 Summer Olympics, Thursday, July 22, 2021, in Tokyo, Japan. (AP Photo/Ashley Landis)

Carissa Moore, from the United States, rides a wave during a training session at the 2020 Summer Olympics, Thursday, July 22, 2021, at Tsurigasaki beach in Ichinomiya, Japan. (AP Photo/Francisco Seco)