American track and field star Sydney McLaughlin-Levrone set a new world record and claimed the gold medal in the 400-meter hurdles final Thursday, repeating her win in Tokyo. American Anna Cockrell nabbed the silver in an upset over world champion Femke Bol of the Netherlands, who finished third for the bronze.

McLaughlin-Levrone finished the race in 50.37 seconds, beating out her own previous world record time of 50.65 seconds, which she set back in June at the U.S. Olympic trials. This was the sixth time she had set the world record for the 400-meter hurdles. Read More