She clocked a time of 51.90 seconds
American Sydney McLaughlin has set a new women's 400 metre hurdles world record.
The 21-year-old clocked a time of 51.90 seconds at the US Olympic trials final in Oregon.
She broke the previous record held by Dalilah Muhammed, who finished second.
Both are set to compete at the Olympics in Tokyo.

Friday Morning Sports Update
Andy Farrell Names Ireland Team For Six Nations Game Against Italy
Thursday Morning Sports Update
Robbie Keane Insists He's Content Where He Is Amid Vacant Manger Job At Tottenham
Kildare’s Lauren Walsh Is Off To A Good Start At The Saudi Ladies International
It's Understood Tottenham Have Sacked Manager Thomas Frank
McIlroy States There Is No Need For Men's Golf Fifth Major Championship
Wednesday Morning Sports Update