| Serie 1 |
| Franco Antonio Stefoni Alcayaga | Andrée English School | 5 | 10.97 | 1 q |
| Domingo Matte Subercaseaux | Cordillera | 2 | 11.06 | 4 q |
| Alfonso Lecaros Omeñaca | Huinganal | 4 | 11.53 | 6 q |
| Diego Illanes Zamorano | SSCC Manquehue | 1 | 11.86 | 10 |
| Jorge Ignacio Del RÃo Morales | San Anselmo | 6 | 11.10 | (F.C.) |
| Benjamin Palacios Garcia | Cumbres | 3 | DNS | |
| Serie 2 |
| Domingo Iglesis Lagarreta | San Anselmo | 4 | 11.05 | 2 q |
| Shigeru Tsukame Bavestrello | Cordillera | 3 | 11.55 | 7 q |
| Francisco Faundes Quemada | Andrée English School | 2 | 11.70 | 8 |
| Clemente Fernandez Hurtado | Huinganal | 1 | 11.74 | 9 |
| Pablo Andrés Pesce Araneda | San Anselmo | 6 | 12.05 | (F.C.) |
| Santiago Cuvi Gazmuri | San Benito | 5 | DNS | |
| Serie 3 |
| Jose Tomas Ramirez Gaudlitz | San Anselmo | 2 | 11.05 | 3 q |
| Pedro Garcia Huidobro Finlay | SSCC Manquehue | 4 | 11.43 | 5 q |
| Santiago Grohnert Morgan | San Benito | 3 | 12.42 | 11 |
| Juan Ibañez Larrain | Cordillera | 6 | 11.30 | (F.C.) |
| SebastÃan Aravena Calderón | San Anselmo | 1 | 11.43 | (F.C.) |
| Joaquin Arriagada Buttazzoni | Cumbres | 5 | DNS | |
