| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Juan De Dios Correa Tocornal | Cumbres | 3 | 10.24 | 3 q |
| Ignacio Germán Jensen Correa | Saint George's College | 2 | 10.31 | 4 q |
| Cristobal Errazuriz Morelli | Verbo Divino | 5 | 10.49 | 6 q |
| Guillermo Menichetti Ugarte | Cordillera | 6 | 10.77 | 11 |
| José Cantzler Bravo | Tabancura | 4 | 11.37 | 15 |
| Santiago Zamorano Allan | SSCC Manquehue | 8 | 13.13 | 17 |
| Serie 2 | ||||
| Nicolás Ceresa Alfaro | Saint George's College | 4 | 9.55 | 1 q |
| Diego Sanchez Hochschild | Tabancura | 7 | 10.59 | 7 q |
| Roberto Vergara Chomon | Cordillera | 2 | 10.60 | 8 q |
| Leon Fuenzalida Urzua | Verbo Divino | 8 | 11.12 | 13 |
| Lucas Poklepovic Hermosilla | SSCC Manquehue | 5 | 11.23 | 14 |
| Serie 3 | ||||
| Martin Casali Irarrázabal | Saint George's College | 2 | 10.09 | 2 q |
| Mariano Fernandez Santander | SSCC Manquehue | 8 | 10.36 | 5 q |
| Clemente Maroto Bombardiere | San Ignacio El Bosque | 5 | 10.69 | 9 |
| Gaspar Alfredo Briceño Holz | Puerto Varas | 3 | 10.74 | 10 |
| Jose Manuel Faille Matte | Verbo Divino | 7 | 10.92 | 12 |
| Manuel Eyzaguirre Ugarte | Tabancura | 4 | 11.91 | 16 |
