In shock . Sydney McLaughlin, stunned as she looks up on the screen and sees her name with 51.90sec World Record. Anna Cockrell also in disbelief, behind her, got 3rd. 400 meter hurdles. 2021 USATF Olympic trials, Hayward Field. . . . . . #sydneymclaughlin #usatf #worldrecord #400mhurdles #trackfieldtrials21 #jeffcohenphoto #athletics #tagheuer #newbalancerunning #trackandfield @sydneymclaughlin16 @usatf @teamusa @newbalancerunning @tagheuer @annacockrell