| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Camilo Cirigliano Castro | Verbo Divino | 2 | 9.27 | 1 q |
| Nicolas Hurtado Rivadeneira | Tabancura | 6 | 9.57 | 2 q |
| Juan Pedro Lagos Larroulet | San Ignacio El Bosque | 3 | 9.96 | 5 q |
| Juan Luis Montes Delano | Huinganal | 4 | 10.17 (10.1700) | 8 q |
| Felipe Aguilera Sepulveda | Cordillera | 5 | 10.47 (10.4700) | 12 |
| Mateo Torrejon May | SSCC Manquehue | 1 | 10.59 | 15 |
| Julio AgustÃn Montenegro Barahona | San Anselmo | 7 | 10.69 | 16 |
| Serie 2 | ||||
| Anibal Errazuriz Morelli | Verbo Divino | 3 | 9.90 | 4 q |
| Pedro Covarrubias Schalscha | SSCC Manquehue | 7 | 10.00 | 6 q |
| Domingo Hurtado Montes | Cordillera | 5 | 10.04 | 7 q |
| Jose Fuenzalida Rabat | Tabancura | 4 | 10.17 (10.1700) | 9 |
| Arturo Labbé González | San Ignacio El Bosque | 1 | 10.47 (10.4700) | 13 |
| Agustin Espinoza Munita | Huinganal | 2 | 10.75 | 17 |
| Tomas Lyon Letelier | San Anselmo | 6 | DNS | |
| Serie 3 | ||||
| Juan Pablo Ugarte Bustamante | Tabancura | 5 | 9.63 | 3 q |
| Ignacio Guisasola Fournier | Verbo Divino | 4 | 10.23 | 10 |
| Vicente Samacoitz Montt | Cordillera | 7 | 10.25 | 11 |
| Santiago Mena Aguirre | SSCC Manquehue | 6 | 10.54 | 14 |
| Benjamin Thonet Albornoz | Huinganal | 1 | 10.87 | 18 |
| Jose Manuel Toro Fuentes | San Anselmo | 3 | 10.95 | 19 |
| Simón Arancibia Vidal | San Ignacio El Bosque | 2 | DNS | |
