| Serie 1 |
| Pelayo Garcia Armas | San José de Chicureo | 6 | 11.19 | 1 q |
| Nicolas Iriarte Tagle | Padre Hurtado | 2 | 11.70 | 11 |
| Manuel MarÃn Cousiño | Tabancura | 1 | 11.85 | 15 |
| Cristóbal Acuña Sánchez | Mayor - Peñalolen | 3 | 11.92 | 18 |
| Luis Enrique Bolet Coa | Marista - Diego EcheverrÃa | 8 | 12.43 | 26 |
| Matias Cisneros Del Fierro | San Francisco Javier de Huechuraba | 4 | 12.59 | 28 |
| Camilo FarÃas Negrón | Epullay Montessori | 5 | 13.41 | 32 |
| AgustÃn Sariego Tápia | Saint Gabriel's School | 7 | 13.47 | 34 |
| Serie 2 |
| Bruno Brufau A | Everest | 3 | 11.37 | 3 q |
| Luciano Serey Ibañez | Liceo Nuestra Señora del Rosario de Linares | 7 | 11.60 | 8 q |
| Octavio Urrutia Moraga | Mayor - Peñalolen | 6 | 11.82 | 14 |
| Francisco Ossorio Sottorff | Andrée English School | 1 | 12.92 | 30 |
| Matias Fantoval Abarca | Epullay Montessori | 4 | 13.32 | 31 |
| Andrés Astorga Contreras | Saint Gabriel's School | 2 | 13.42 | 33 |
| Fernando Vallejos Lopez | Colegio Los Alpes de Maipú | 5 | DNS | |
| Franco Tilleria Quiroz | Internacional SEK | 8 | DNS | |
| Serie 3 |
| Jose Miguel Orellana Lopez | Instituto Comercial La Cisterna | 2 | 11.24 | 2 q |
| Maximo Correa Montero | Everest | 8 | 11.59 | 7 q |
| Cristian Montes A | The Grange School | 7 | 11.81 | 13 |
| Iñaki Pizarro Gazitúa | Pumahue | 5 | 12.00 | 21 |
| Alejandro Lamas Manzur | Nuestra Señora del Camino | 6 | 13.58 | 35 |
| Vicente Saez O | Domingo Matte MesÃas | 3 | DNS | |
| Alonso Rios Zazzali | Internacional SEK | 4 | DNS | |
| Serie 4 |
| Alonso Andrés Ossandón Fernández | The Newland School | 6 | 11.88 | 16 |
| Joaquin Piderit Brito | Cordillera | 4 | 11.89 | 17 |
| Sebastian Rencoret Escala | Saint George's College | 7 | 11.94 | 20 |
| Santiago De La Cuadra A | The Grange School | 5 | 12.32 | 24 |
| MartÃn Mackenna Vial | Maitenes | 2 | DNS | |
| Santiago Leiva Mendez | San Ignacio El Bosque | 3 | DNS | |
| Vicente Bravo Bravo | Pumahue | 8 | DNS | |
| Serie 5 |
| Martin Montesinos Lopez De Santa MarÃa | Saint George's College | 4 | 11.64 (11.6400) | 9 |
| Tomás Vega Mack | The Newland School | 3 | 11.71 | 12 |
| Martin Mondaca Fellenberg | San Ignacio El Bosque | 7 | 11.93 | 19 |
| Ismael Espinosa Arriagada | Verbo Divino | 8 | 12.17 | 23 |
| José Antonio Abarca Navarrete | Maitenes | 2 | 12.91 | 29 |
| Vicente Parada Muñoz | Cordillera | 5 | DNS | |
| Santiago Barros Silva | San Anselmo | 6 | DNS | |
| Serie 6 |
| Juan Vicente Rodriguez Flores | Padre Hurtado | 2 | 11.39 | 4 q |
| BenjamÃn Melo DÃaz Arana | Verbo Divino | 5 | 11.52 | 5 q |
| Camilo Fernandez Alzamora | SSCC Padres Franceses - Viña del Mar | 8 | 11.55 | 6 q |
| Diego Iacobelli Ovalle | Tabancura | 4 | 11.64 (11.6400) | 9 |
| Diego Giovanni Marchan Aravena | Saint Maurice’s | 6 | 12.08 | 22 |
| MartÃn Araneda Araneda | San Anselmo | 3 | 12.34 | 25 |
| Andres Antonio Astete Jaque | Marista - Diego EcheverrÃa | 7 | 12.47 | 27 |
