Sports and Activities Championship Site Record Book Back to All Boys Track and Field Categories View All Rock Bridge State Records Boys Track and Field Records 4x400-Meter Relay Class 5 / 5A RankTotalStudentGradeSchoolYear 13:17.12Hazelwood West2016 23:18.22Lee's Summit North2015 33:18.52Rock Bridge2016 Share to Facebook Share to Twitter Back to All Boys Track and Field Categories