Boys 300 meter hurdles More Results All Boys Discus Boys Shot Put Boys Long jump Boys High jump Boys Triple jump Boys 4x400 meter relay Boys 3200 meter Boys 200 meter Boys 800 meter Boys 300 meter hurdles Boys 400 meter Boys 4 x 100 meter relay Boys 1600 meter Boys 4x200 meter relay Boys 100 meter Boys 110High Hurdles Boys 4x800 meter relay Maurice Tinsley Rock 44.19 Peyton Allen Person 45.40 Demetre Morton Person 49.53 Cameron Whitman Person 49.70