NOW THAT’S HOW YOU END THE MEET! The @bullis_track_fam girls go 3:35.54 to break the previous high school girls 4x400m national record by more than two seconds. 😤 ⏱️ OFFICIAL SPLITS @tatum_lynn07 — 55.58 @kennedyy._b — 53.31 @morganninez_ — 53.71 @sydney.sutton — 52.96 #NBNationals