| Atleta | Club | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Final | ||||
| Martin Zabala Peralta | Universidad Católica | 4 | 48.06 | 1 |
| Matias Alejandro Vargas Perez | Atlético Puerto Sur | 6 | 49.53 | 2 |
| Pedro Roach Matesic | Universidad Católica | 3 | 49.80 | 3 |
| Kevin Paul Andrade Alvarado | Atlético Ñielol | 5 | 49.89 | 4 |
| Joel Araneda Mella | Atlético Nahuén | 1 | 51.30 | 5 |
| Michel Reyes Fuentes | Atletas Senior Chillán | 2 | 51.52 | 6 |
| Luciano Arriagada Campos | Atlético Provincial Curicó | 8 | 52.52 | 7 |
| Santiago Avendaño Preciado | Atlético Rengo | 7 | DNS | |
