Watch all AAU JOs videos here: https://flosports.link/3z6xzpB 10-year-old Omar Thomas ran a 55.74 400m at the 2021 AAU Junior Olympic Games to break the national record and age group world record. Website: http://flosports.link/3p20lTj Subscribe: http://flosports.link/3p4YLQp Get the FloSports iOS app: http://bit.ly/FloTrackiOSApp_9 Follow FloTrack Facebook: https://www.facebook.com/FloTrack Twitter: https://twitter.com/flotrack Instagram: https://www.instagram.com/FloTrack