American women take to track with 400 meter hurdles rivalry

Brittney Reese, of United States, competes in a qualification for the women's long jump at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo. (AP Photo/Martin Meissner)

Dalilah Muhammad, of United States, wins a heat in the women's 400-meter hurdles at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Martin Meissner)

Sydney Mclaughlin, of United States, wins a heat in the women's 400-meter hurdles at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Martin Meissner)