Sydney McLaughlin smashes her own 400m hurdles world record at US National Championships in Eugene
Sydney McLaughlin smashed her own 400m hurdles world record at Saturday's US National Championships in Eugene, Oregon. Tokyo 2020 Olympic gold medallist McLaughlin — who set her first world mark of 51.46 in the final of those games — took 0.05s off that time to win the event in 51.41. Ad/> In so doing, McLaughlin also qualified for the upcoming World Championships at the same Hayward Field venue next month.