Anna Cockrell runs a meet-record 53.43 to win the Prevagen women’s 400m hurdles on her home track. Dalilah Muhammad completes the USC 1-2 in 53.65 👏 Don’t miss the best of American track & field — subscribe for more 🇺🇲 Become a USATF Member → usatf.org/membership Watch Live & On-Demand → usatf.tv Shop official gear → team-usatf-store.myshopify.com #USATFTour #LAGrandPrix #trackandfield #annacockrell #dalilahmuhammad #usctrojans #athletics #hurdles