US runner Sydney McLaughlin won the women's 400m hurdles title with a new world record here on Wednesday at the Tokyo Olympics.
Sydney finished the race in 51.46 seconds, 0.44 seconds faster than the previous world record set by her on June 27.
Sydney's compatriot Dalilah Muhammad won the silver with personal best of 51.58s, also bettering the previous world record of 51.90s. Femke Bol of the Netherlands took bronze in 52.03s.
In the 800m men's final, Emmanuel Korir and Ferguson Rotich completed a Kenya 1-2.
Korir crossed the finish line first at 1:45.06 to win Kenya's fourth gold medal in a row in men's 800m at the Olympic Games. Kenya had also won gold in 2008 Beijing, 2012 London and 2016 Rio Olympics. Korir's compatriot Rotich came from behind to take second place with 1:45.23.
Patryk Dobek of Poland won bronze with 1:45.39.
Peruth Chemutai of Uganda won women's 3000m steeplechase gold with nine minutes and 1.45 seconds.
Peruth surpassed Courtney Frerichs of the United States in the last lap, the latter clinching silver with 9:04.79. Hyvin Kiyeng of Kenya took the bronze in 9:05.39.
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