| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Mateo Arancibia Estebanez | San Benito | 5 | 10.41 | 4 q |
| Domingo Lorca Ferrer | Saint George's College | 6 | 10.51 | 7 |
| Ignacio Araya Fuentes | Padre Hurtado | 3 | 10.62 | 10 |
| Arturo Labbé González | San Ignacio El Bosque | 2 | 10.83 | 12 |
| Eduardo Gabriel Suazo De Ferari | San Benito | 4 | 11.21 | (F.C.) |
| Julio AgustÃn Montenegro Barahona | San Anselmo | 1 | DNS | |
| Serie 2 | ||||
| Juan Pedro Lagos Larroulet | San Ignacio El Bosque | 4 | 10.32 (10.3200) | 2 q |
| Jose Hurtado Rivadeneira | Tabancura | 6 | 10.42 | 5 q |
| Vicente Samacoitz Montt | Cordillera | 1 | 10.48 | 6 q |
| Tomás GarcÃa Roberts | San Benito | 5 | 10.58 | 9 |
| Raimundo Larach Del Solar | Everest | 3 | 11.03 | 14 |
| Tomas Dominguez Urrejola | San Anselmo | 2 | DNS | |
| Serie 3 | ||||
| Nicolas Hurtado Rivadeneira | Tabancura | 6 | 9.78 | 1 q |
| Diego Simón Olivares Labarca | Saint George's College | 3 | 10.32 (10.3200) | 3 q |
| Domingo Hurtado Montes | Cordillera | 4 | 10.55 | 8 |
| Sebastián Velasco Zañartu | Everest | 2 | 10.77 | 11 |
| Pedro Beas Aninat | Padre Hurtado | 5 | 10.94 | 13 |
| Lucas Macchiavello Cristi | Cumbres | 1 | DNS | |
| Serie 4 | ||||
| Juan José Guevara Del Sante | San Benito | 4 | DNS | (F.C.) |
