Record shattered 🤯⚡👏 Just days after arriving with a PR of 51 seconds, Keenen Davis shattered the high school national record in the 400m hurdles with a blistering 49.20 🥇 After nearly breaking the record in the prelims, he left no doubt in the final 🇺🇸 #keenendavis #usatf #hurdles #track #400mhurdles #usu20champs #record