| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Tomas Irarrazabal Browne | Tabancura | 2 | 9.85 | 2 q |
| Nicolás Ceresa Alfaro | Saint George's College | 4 | 9.87 | 3 q |
| Clemente Lecaros Omeñaca | Huinganal | 5 | 10.40 | 6 q |
| Diego Cubas Mardon | Cordillera | 7 | 10.46 | 7 q |
| Jeronimo Carcelen Amenabar | Verbo Divino | 3 | 10.60 | 8 q |
| Leon Duch Papi | Everest | 6 | 11.45 | 10 |
| Pedro Ignacio Baeza Fuenzalida | Liceo Salesiano Camilo OrtĂşzar Montt | 8 | 11.46 | 11 |
| Erick Soto Latorre | Escuela Atlética Ganbaru | 1 | 13.62 | 13 |
| Serie 2 | ||||
| Borja Correa Correa | Tabancura | 8 | 9.78 | 1 q |
| Martin Casali Irarrázabal | Saint George's College | 4 | 10.13 | 4 q |
| Tomas Romero Rodriguez | Cordillera | 6 | 10.33 | 5 q |
| Matias Errazuriz Gana | Everest | 3 | 10.88 | 9 |
| Rodrigo Nuñez Latorre | Escuela Atlética Ganbaru | 2 | 11.71 | 12 |
