| Serie 1 |
| Pedro Covarrubias Hurtado | Tabancura | 4 | 12.82 | 6 q |
| Anibal Errazuriz Morelli | Verbo Divino | 3 | 12.95 | 8 q |
| Agustin Carrasco Silva | Everest | 1 | 13.48 | 9 |
| Alonso Torres Moreno | La Misión de Calera de Tango | 6 | 15.05 | 19 |
| Pedro Pablo Rodillo Sánchez | Monte Tabor | 5 | 15.21 | 20 |
| Gustavo Mendoza Quispe | Instituto Alonso de Ercilla | 2 | DNS | |
| Raimundo Moreno Pinto | Cordillera | 7 | DNS | |
| MartÃn Barranco Guzman | Cumbres | 8 | DNS | |
| Serie 2 |
| Nicolas Hurtado Rivadeneira | Tabancura | 3 | 11.94 | 1 q |
| Jose Manuel Faille Matte | Verbo Divino | 7 | 12.08 | 2 q |
| Manuel Pérez Faverio | Saint George's College | 4 | 13.95 | 13 |
| Francisco José Contreras Rivas | Monte Tabor | 8 | 14.84 | 16 |
| Agustin Pinto Romero | La Misión de Calera de Tango | 5 | 15.66 | 21 |
| Bernardo Alamos Opazo | Cordillera | 1 | DNS | |
| Maximiliano Velasco Brahm | Cumbres | 2 | DNS | |
| Mateo Calleja Prats | Everest | 6 | DNS | |
| Serie 3 |
| Diego Simón Olivares Labarca | Saint George's College | 1 | 12.52 | 4 q |
| Sebastian Meier Montano | Cordillera | 5 | 13.56 | 10 |
| Clemente Marin Navarro | San Ignacio El Bosque | 3 | 13.68 | 11 |
| Diego Braham Fernandez | Everest | 8 | 13.75 | 12 |
| Teodoro Koehler Montero | Verbo Divino | 4 | 14.08 | 14 |
| Pedro Arellano Vila-Echague | La Misión de Calera de Tango | 2 | DNS | |
| Baltazar Battaglia Fantoni | Cumbres | 6 | DNS | |
| Gio Juarez Martinez | Santa Cruz - Chicureo | 7 | DNF | |
| Serie 4 |
| Jose Hurtado Rivadeneira | Tabancura | 7 | 12.28 | 3 q |
| Bruno Luna Molinari | San Ignacio El Bosque | 5 | 12.79 | 5 q |
| Samuel Achurra Irarrázaval | Huinganal | 4 | 12.93 | 7 q |
| Manuel Goñi Vergara | Saint George's College | 2 | 14.36 | 15 |
| Nicolas RodrÃguez Alastruey | San Benito | 1 | 14.87 | 17 |
| Bruno Herrada Duran | Greenfield School | 3 | 15.01 | 18 |
| Juan Eduardo Cruz Mozó | Monte Tabor | 6 | 16.13 | 22 |
