The McNamara Mustangs (@bmhstracklife) just clocked the fastest high school sprint medley relay in the country‼️ Isaiah Pryor, Myles Dorsey, Nicholas Steed and Nathaniel Spears just combined for a 3:23.62 to claim the New Balance National Outdoor title. 🏆 📸 @weligsander | 🎥 @xaviergalllo + @sherfiie