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Team USA's Sydney Mclaughlin (C) wins the women's 400m hurdles final setting a new world record during the Olympic Games at the Olympic Stadium in Tokyo on Tuesday.

hurdler Sydney McLaughlin clinched an Olympic gold medal in the women's 400m hurdles final at the 2020 Tokyo Games — breaking her own world record to finishing in 51.46 seconds on Wednesday morning local time.

Norway's Karsten Warholm celebrates as he crosses the finish line to win the men's 400m hurdles final during the Olympic Games at the Olympic Stadium in Tokyo on Tuesday.

Norway's Karsten Warholm smashed his own world record to win gold in the men's Olympic 400 meters hurdles final in 45.94 seconds in Tokyo Tuesday.