US HIGH SCHOOL NATIONAL RECORD - Bullis School goes 3:06.31 in the 4x400m. Quincy Wilson splits 43.99 as the team of Mickey Green, Cam Homer, Colin Abrams and Wilson break a 40-year-old record!!! Kingston College gets the win in 3:05.93. Coverage presented by @On For more from the #PennRelays - https://flosports.link/4lMNcey 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