South County's very own Mia Mason, Catalina Sanchious, Julia Wallace, and Cameron Thompson holding it down at the Marine Corps Holiday Classic in the 4x200m relay rankings across the USA! 🇺🇸🥇 Video Credit: 🎥 armorynyc / runnerspace #NumberOneRanking #SouthCountySpeedsters #MarineCorpsClassic #TrackandField" 🔝🏆 #ThisIsTheWay #SoCoTrack #CoachMoeKnows #