Olympic Champion, Dalilah Muhammad , USA, 1st round , 400 meter Hurdles. 2020 Tokyo Olympic Games. #tokyo2020 . . . . . . #dalilahmuhammad #usatf #teamusa #jeffcohenphoto #400mhurdles #trackandfield #athletics #olympicchampion #hurdles @dalilahmuhammad_ @usatf @teamusa