The Championship of America girls 4x400m lived up to the HYPE! 😱 Hydel (JAM) and Bullis School (MD) battle to the line as Hydel grabs its third-straight title in 3:34.78. Bullis School lowers its U.S. high school national record to 3:35.17. For more from the Penn Relays, visit: https://flosports.link/4dpBGBI 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