🔥The final hurdle. 🔥 World Record!! 400 meter hurdles. Karsten Warholm, Norway , 45.94 sec. !! Rai Benjamin USA second, 46.17 sec. 2020 Tokyo Olympic Games. . . . . #karstenwarholm #raibenjamin #worldrecord #400mhurdles #norway #usa #usatf #teamnorway #teamusa #trackandfield #arhletics #tokyo2020 #olympicgold @kwarholm @_kingben_ @olympicteamnorway @teamusa @usatf