| Serie 1 |
| MartĂn Andres Villegas Montoya | Scuola Italiana - Vittorio Montiglio | 8 | 11.42 | 5 q |
| Vicente Vergara Correa | Verbo Divino | 3 | 11.86 | 10 |
| Jaime Astorga Vicencio | Saint George's College | 2 | 12.06 | 13 |
| Ismael Felipe Browne Salinas | Monte Tabor | 7 | 12.07 | 14 |
| Vincenzo Andrés Tabarroni Stier | Santo Domingo | 5 | 12.22 | 18 |
| Martin Mujica Perez-Canto | San Isidro | 6 | 12.33 | 19 |
| Nicolas Langlois Mackenna | Cordillera | 1 | 12.70 | 22 |
| Francisco Alberto Molina Reyes | Almenar de Pirque | 4 | 12.88 | 23 |
| Serie 2 |
| Benjamin Ignacio Aravena Catil | Instituto Comercial de Linares | 4 | 10.68 (CR) | 1 q |
| Mauricio Buschmann Cambiasso | Cumbres | 3 | 11.63 | 7 q |
| Vicente Olivares Mallea | Marambio de Melipilla | 8 | 12.57 | 20 |
| Octavio San Martin Arriaza | Domingo Matte MesĂas | 5 | 13.25 | 24 |
| Vicente Medina Torres | Mayor - Peñalolen | 2 | DNS | |
| Martin Cortes Bosman | Padre Hurtado | 6 | DNS | |
| Pedro MarĂn GarcĂ©s | Cordillera | 7 | DNS | |
| Serie 3 |
| Jose Tomas Quiroga Cortes | Tabancura | 4 | 11.25 | 2 q |
| BenjamĂn Roach Matesic | Trebulco School | 5 | 11.38 | 4 q |
| Felipe Garrao PĂ©rez | Padre Hurtado | 7 | 12.21 (12.2100) | 15 |
| Jorge Fernando Villaseca Ramirez | Domingo Matte MesĂas | 8 | 13.47 | 25 |
| Paulo Cortez Ciuffardi | Mayor - Peñalolen | 2 | DNS | |
| Pedro Meleda Calvo | Everest | 3 | DNS | |
| Javier Olate Martinez | Saint Gabriel's School | 6 | DNS | |
| Serie 4 |
| Nicolas Daudet Escobar | San Ignacio El Bosque | 4 | 11.31 | 3 q |
| Carlos Titze Chimentti | Trebulco School | 5 | 11.64 | 8 q |
| Joaquin Vila Villalobos | Marista - Diego EcheverrĂa | 3 | 11.91 | 11 |
| José Clemente Chávez Zurita | Everest | 6 | 12.21 (12.2100) | 15 |
| Benjamin Diaz Latrach | The Mayflower School | 2 | 12.69 | 21 |
| José Tomás Bravo Rosa | Saint Gabriel's School | 7 | DNS | |
| Manuel Irarrazabal Brown | Tabancura | 8 | DNS | |
| Serie 5 |
| Manuel Cabezón Bascuñán | Verbo Divino | 3 | 11.53 | 6 q |
| Ignacio Manieu Mantelli | San Ignacio El Bosque | 7 | 11.85 | 9 |
| Ismael Rengifo Molina | Saint George's College | 5 | 11.94 | 12 |
| Matias Leyton Bywaters | The Mayflower School | 6 | 12.21 (12.2100) | 15 |
| Joaquin Navarrete Grez | Concepción de Chillán | 2 | DNS | |
| Domingo Droste GarcĂa | San Isidro | 4 | DNS | |
| Santiago Bustos Cortez | The Newland School | 8 | DNS | |
