United States' Jessica Springsteen, riding Don Juan van de Donkhoeve, competes during the equestrian jumping individual qualifier during the 2020 Summer Olympics, Tuesday, Aug. 3, 2021, in Tokyo, Japan. (AP Photo/Carolyn Kaster)

Allyson Felix, of the United States, reacts prior to the start in a semifinal of the women's 400-meters at the 2020 Summer Olympics, Wednesday, Aug. 4, 2021, in Tokyo. (AP Photo/Matthias Schrader)

United States's Kevin Durant (7) gestures during men's basketball semifinal game against Australia at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Saitama, Japan. (AP Photo/Eric Gay)

United States' Jessica Springsteen, riding Don Juan van de Donkhoeve, enters the arena to compete during the equestrian jumping individual competition during the 2020 Summer Olympics, Tuesday, Aug. 3, 2021, in Tokyo, Japan. (AP Photo/Carolyn Kaster)

Allyson Felix, of the United States, prepares to start in a semifinal of the women's 400-meters at the 2020 Summer Olympics, Wednesday, Aug. 4, 2021, in Tokyo. (AP Photo/Matthias Schrader)