Sydney McLaughlin broke her own world record by almost three-quarters of a second to win 400m hurdles gold at the World Championships in Eugene, Oregon on Friday.

The American, who claimed double gold at Tokyo 2020 last year, including in this event, blew past her rivals to post a new world-best time of 50.68 seconds.

It marked a further reduction on the previous world record she set last month with a remarkable 51.41 seconds, and now means she possesses five of the six fastest times in the race's history.

The Netherlands' Femke Bol, who nabbed bronze last year in Japan, came home second for silver behind the 22-year-old, with 52.27, while United States team-mate Dalilah Muhammad.settled for bronze.

"The time is absolutely amazing and the sport is getting faster and faster," said McLaughlin. "I only get faster from here."

McLaughlin is now expected to consider a potential switch in her field, with a move to the 400m flat a likely option.