| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Felipe Ampuero Bathich | San Ignacio El Bosque | 3 | 9.89 | 2 q |
| Joaquin Bravo Sanhueza | Cordillera | 5 | 10.53 | 4 q |
| Tomás Aguado Riquelmo | San Benito | 6 | 10.56 (10.5600) | 5 q |
| Federico Correa Montero | Everest | 4 | 11.52 | 12 |
| Fouillioux Guarachi Juan José | San Benito | 1 | 10.90 (10.9000) | (F.C.) |
| Diego Ignacio Hermosilla Perez | San Anselmo | 2 | DNS | |
| Serie 2 | ||||
| Cristóbal Irarrázaval Riesco | Tabancura | 2 | 10.73 | 9 |
| Eduardo Errazuriz Garrido | Padre Hurtado | 6 | 10.82 | 10 |
| JoaquÃn Gonzalo Hilliger Valdivia | Alemán de Chillán | 5 | 10.90 (10.9000) | 11 |
| Francisco Garcia Huidobro Benavente | San Benito | 1 | 10.44 | (F.C.) |
| Jose Illanes Alvarez | Everest | 3 | DNS | |
| Agustin Araya Fuentes | SSCC Manquehue | 4 | DNS | |
| Serie 3 | ||||
| AgustÃn Claverie Montero | San Anselmo | 3 | 9.84 | 1 q |
| Manuel Eyzaguirre Ugarte | Tabancura | 4 | 10.17 | 3 q |
| Nicolás Montané Schoor | San Benito | 5 | 10.56 (10.5600) | 6 q |
| Juan Cristobal Garcia Podlech | Padre Hurtado | 2 | 10.59 | 7 |
| Roberto Vergara Chomon | Cordillera | 6 | 10.64 | 8 |
