Was that the most casual national record we've ever seen? 😂 36.21 over 300m for Mariah Maxwell

Was that the most casual national record we've ever seen? 😂 Admittedly, Mariah Maxwell didn't realize she ran a national record in her first ever race at the distance. Her 36.21 broke the previous record set by Elise Cooper last year. Watch the #VAShowcase LIVE on FloTrack Website: http://flosports.link/3p20lTj Subscribe: http://flosports.link/3p4YLQp Get the FloSports iOS app: http://bit.ly/FloTrackiOSApp_9 Follow...