| Serie 1 V.V. +1.2 |
| Elyhomar José Morales Pérez | Instituto Comercial La Cisterna | 5 | 11.13 | 1 q |
| Pedro Ovalle Bascuñán | Tabancura | 8 | 11.21 | 4 q |
| MatĂas Angulo RillĂłn | Huinganal | 4 | 11.96 | 17 |
| Eleodoro Augusto RodrĂguez Chadwick | Everest | 7 | 11.97 | 18 |
| MartĂn Saint-Anne Medina | AndrĂ©e English School | 3 | 12.52 | 20 |
| Tomas Seidedos Larrazabal | Padre Hurtado | 2 | DNS | |
| Cristian Montes A | The Grange School | 6 | DNS | |
| Serie 2 V.V. +0.3 |
| Domingo Cortinez Martinez | San José de Chicureo | 8 | 11.64 | 9 |
| Felipe Cordova Retamal | Padre Hurtado | 3 | 11.66 | 10 |
| Diego Moreno Lecaros | Huinganal | 7 | 11.67 | 11 |
| MartĂn Ignacio AlcaĂno Moya | Sankt Thomas Morus | 5 | 11.84 | 13 |
| Jose Tomas Ramirez Gaudlitz | San Anselmo | 2 | 11.87 | 14 |
| Juan Ignacio González Romero | Alemán de Santiago | 6 | 12.14 | 19 |
| Ethan Jana A | The Grange School | 4 | DNS | |
| Serie 3 V.V. +0.9 |
| Pelayo Garcia Armas | San José de Chicureo | 6 | 11.14 | 2 q |
| Max Moraga EcheverrĂa | Verbo Divino | 2 | 11.19 | 3 q |
| Tomas Pinto Muñoz | Cumbres | 3 | 11.53 | 7 q |
| Eduardo Matte Lama | Alemán de Santiago | 7 | 11.77 | 12 |
| Vicente Muñoz Silva | Instituto O'Higgins de Rancagua | 4 | 13.29 | 24 |
| Diego Andres Piriz Larrazaval | San Anselmo | 5 | DNS | |
| Diego De Juan Muñoz | Sankt Thomas Morus | 8 | DNS | |
| Serie 4 V.V. +0.6 |
| Manuel Cabezón Bascuñán | Verbo Divino | 7 | 11.43 | 5 q |
| Mauricio Buschmann Cambiasso | Cumbres | 6 | 11.63 | 8 |
| Carlos Urzua Aristia | Monte Tabor | 4 | 12.72 | 21 |
| MartĂn Mackenna Vial | Maitenes | 2 | 12.77 | 22 |
| Diego Felipe Perez Ortiz | Internacional SEK | 5 | 13.08 | 23 |
| Jose Pablo Bravo DĂaz | Nuestra Señora del Camino | 3 | DNS | |
| Juan Enrique Echeverria Durán | San Ignacio El Bosque | 8 | DNS | |
| Serie 5 V.V. +0.1 |
| Pedro Navarrete Correa | Everest | 3 | 11.48 | 6 q |
| Rafael Vallejos MarĂn | San Ignacio El Bosque | 4 | 11.89 | 15 |
| Francisco Larrain Jorquera | Tabancura | 5 | 11.95 | 16 |
| Francisco Ossorio Sottorff | Andrée English School | 6 | DNS | |
| Paul Abogabir Batlle | Monte Tabor | 7 | DNS | |
| Ignacio Salvador Villalobos Cespedes | Nuestra Señora del Camino | 8 | DNS | |
