- Male 400 M Dash
- Jr. World:$43.879/28/1988Steve LEWIS, USA
- PanAm U20:@45.141995Obea MOORE, USA
- Finals
- 1227Jamal Walton (19)Cayman Islands44.99@
- 2529Josephus Lyles (19)United States45.30
- 3540Zachary Shinnick (18)United States45.98
- 4351Anthony Carpenter (18)Jamaica46.92
- 5389Edgar I Ramirez R (19)Mexico47.23
- 6464Judah Taylor (19)Trinidad & Tobago47.72
- 7204Austin Cole (19)Canada47.86