Tokyo 2020 OlympicsUS’s McLaughlin Wins, Sets World Record in Women’s 400-Meter HurdlesSaveMark Us Preferred on GooglePrintGold medalist Sydney McLaughlin, of the United States, celebrates after winning the women's 400-meter hurdles at the 2020 Summer Olympics in Tokyo, Japan, on Aug. 4, 2021. Petr David Josek/AP PhotoLorenz Duchamps8/4/2021|Updated: 8/4/2021American hurdler Sydney McLaughlin won the women’s 400-meter hurdles on Aug. 4 at the Tokyo Olympics in world-record time.McLaughlin finished in 51.46 seconds, almost a half-second faster than her previous world mark, set during the U.S. Olympic Trials in June.We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.