Sydney Mclaughlin, of the United States, competes in a semifinal of the women's 400-meter hurdles at the 2020 Summer Olympics, Monday, Aug. 2, 2021, in Tokyo. (AP Photo/Petr David Josek)

FILE - In this June 27, 2021, file photo, Sydney McLaughlin sets a new world record in the finals of the women's 400-meter hurdles at the U.S. Olympic Track and Field Trials in Eugene, Ore. One of the most entertaining races at the upcoming Tokyo Games figures to be the women’s 400 hurdles, where McLaughlin set a new world record by edging Dalilah Muhammad at the U.S. track trials. (AP Photo/Ashley Landis, File)

Sydney Mclaughlin, of the United States, competes in a semifinal of the women's 400-meter hurdles at the 2020 Summer Olympics, Monday, Aug. 2, 2021, in Tokyo. (AP Photo/Petr David Josek)

Simone Biles, of the United States, center in blue, looks on with teammates during the women's floor exercise in artistic gymnastics at the 2020 Summer Olympics, Monday, Aug. 2, 2021, in Tokyo, Japan. (AP Photo/Gregory Bull)

Sunisa Lee of the United States, performs on the uneven bars during the artistic gymnastics women's apparatus final at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo, Japan. (AP Photo/Ashley Landis)