| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Jorge Ignacio Del RÃo Morales | San Anselmo | 6 | 11.39 | 3 q |
| Ignacio Nuñez Rivera | Verbo Divino | 3 | 12.01 | 6 q |
| Cristóbal Izquierdo Dettwiler | San Benito | 5 | 12.11 | 8 |
| Pedro Prieto Noguera | Cordillera | 1 | 12.18 | 9 |
| Arturo Raby Carvajal | Huinganal | 2 | 12.29 | 11 |
| Sebastian Goreux Figueroa | San José de Chicureo | 4 | 13.08 | 14 |
| Serie 2 | ||||
| Jose Tomas Ramirez Gaudlitz | San Anselmo | 4 | 11.26 | 1 q |
| Juan Ibañez Larrain | Cordillera | 6 | 11.28 | 2 q |
| Tomás Davis Catafau | San Benito | 5 | 11.92 | 5 q |
| Diego Fuentes Muñoz | San José de Chicureo | 3 | 12.19 | 10 |
| Pedro Pablo Marchant Ruiz-Tagle | The Grange School | 2 | 12.44 | 13 |
| Serie 3 | ||||
| Mateo Fernández Oneto | Cumbres | 6 | 11.65 | 4 q |
| Clemente Fernandez Hurtado | Huinganal | 4 | 12.04 | 7 |
| Nicolas Morgan Dominguez | Verbo Divino | 3 | 12.39 | 12 |
| Max Zuñiga Soto | The Grange School | 2 | 13.50 | 15 |
| Franco Antonio Stefoni Alcayaga | Andrée English School | 5 | DNS | |
