The athlete who has been faster so far is American Sydney McLaughlin, who ran to gold in Tokyo last year. She ran a world record of 51.41 during the American Championships in the run-up to the World Cup. In Eugene she also easily won her run in 53.95 and qualified for the semifinals. The American defending champion Dalilah Muhammad, the winner of Olympic silver in Tokyo, reached the semifinals with 54.45.
World Athletics Championships: Bol smoothly to semi-finals 400 hurdles: ‘Nice’
