By Frank Gogola | Aug. 18, 2016, 9:31 p.m. (ET)
Dalilah Muhammad and Ashley Spencer celebrate winning gold and bronze, respectively, in women's 400-meter hurdles at the Rio 2016 Olympic Games at the Olympic Stadium on Aug. 16, 2016 in Rio de Janeiro.


RIO DE JANEIRO -- Dalilah Muhammad won the gold medal and Ashley Spencer took bronze in the women’s 400-meter hurdles on Thursday at Olympic Stadium. Both are first-time Olympians.

Their double-medal performance came one night after the U.S. swept the podium in the women’s 100-meter hurdles.

Muhammad ran a time of 53.13 seconds, while Spencer posted a personal best 53.72. Denmark’s Sara Slott Petersen won silver, crossing the line in a national record 53.55.

Muhammad had finished first in her semifinal and first overall with a time of 53.89 on Tuesday. She ran a 55.33 in her first-round heat on Monday.

Spencer’s time of 54.87 placed her first in her semifinal and fifth overall on Tuesday. She ran a 55.12 in her first-round heat on Monday.

Spencer’s bronze marked Team USA’s 100th medal of the Rio 2016 Olympic Games.

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