50.68 are you serious!!!!!!! 🔥 sydneymclaughlin16 that was an all-time performance in the 400 Hurdles🤯 • • #sydneymclaughlin #hurdles #400hurdles #400meterhurdles #hurdles #hurdler #trackandfield #Track #trackstar #tracklete #trackspeed #usatrack #usatrackandfield #usatf #teamusa #worldathleticschampionships #worldathleticschamps #worldathleticschampionships2022 #worldchampionships #olympics #olympictrack