| Serie 1 |
| Ramón Fuenzalida Correa | Atlético Santiago | 3 | 48.41 | 1 q |
| Agustin Tomas Aravena Alvarez | Club Atlético Formativo Talca | 6 | 50.76 | 2 q |
| Cristobal San Martin | Deportivo Atlético Coronel | 2 | 51.67 | 3 q |
| Benjamin Ignacio Roman Moraga | Atlético Limarà Ovalle | 7 | 51.96 | 4 |
| Mauricio Elias Fuentes Daza | Nilda Rojas | 1 | 52.99 | 5 |
| Maximiliano Andrés Breve Alcántara | Atlético Olimpo Chiguayante | 8 | 54.81 | 6 |
| Camryn Everett Thomas Spadaccino | Atlético Quilamapu | 4 | 49.19 | (F.C.) |
| Erwin Jacobi Villegas | Atlético Tempo | 5 | DNS | |
| Serie 2 |
| Cristóbal Nawël Huaracán Campos | Universidad Católica | 3 | 50.12 | 1 q |
| Mathias Nicolas Corral Contuliano | Atlético S-2000 | 5 | 50.51 | 2 q |
| Joaquin Nicolás Carvallo Carrasco | Deportivo Atlético Armada | 7 | 51.17 | 3 q |
| Juan Cristobal Rebolledo Baez | Atlético Real Alemania - Calama | 8 | 51.64 | 4 q |
| Martin Castro Faret | Atlético Santiago | 6 | 51.92 | 5 q |
| José Velasco González | Universidad Católica | 4 | DNS | |
| Benjamin Antonio Jarpa Moreno | Deportivo Atlético Coronel | 2 | DNS | |
