The high school girls’ 4×400 heats went off 5 minutes ahead of schedule.

The ranked list of results can be found here. We’ll check back with top times later.

UPDATE (4:04pm): Nine teams just broke 4:00 in Heat 44, led by Benjamin Cardozo (Oakland Gardens, NY) in 3:41.62.

UPDATE (4:58pm): Columbia of Maplewood NJ ran 3:43.72 in its heat, breaking a 30-year-old school record that included Olympian Joetta Clark.

UPDATE (6:26pm): Jheneive Russell of Holmwood Tech had the day’s fastest split: 53.4. Holmwood ran 3:42.96 to win event 46. The second best split came in the same section, a 53.6 by Chimere Ezumah on the second leg for Junipero Serra (Gardena, CA).

Cardozo's Chamique Francis pulls away from Shashawna Lewin of Edwin Allen