| Serie 1 V.V. +0.2 |
| Martín Montaner Lagos | Saint George's College | 4 | 19.03 | 3 q |
| Cristóbal Alejandro Campos Jerez | Liceo Leonardo Murialdo | 2 | 19.80 | 8 |
| Manuel Guzman Garcia De La Huerta | Verbo Divino | 1 | 20.12 | 10 |
| Pedro Sarah Bulcke | San Isidro | 5 | 21.42 | 12 |
| Felipe Jesus Cabrera Morales | Los Bosquinos | 3 | DNS | |
| Sebastián Vidal Cáraves | San Anselmo | 6 | DNS | |
| Serie 2 V.V. +0.3 |
| Melchor Gregorio Silva-Paredes Antúnez | San Ignacio El Bosque | 3 | 19.06 | 4 q |
| Álvaro Montane Schorr | San Benito | 6 | 19.23 | 5 q |
| José Tomás Gracia Antúnez | San José de Chicureo | 1 | DNS | |
| Juan Ibañez Larrain | Cordillera | 2 | DNS | |
| Pedro Domínguez Gines | Monte Tabor | 4 | DNS | |
| Sebastían Aravena Calderón | San Anselmo | 5 | DNS | |
| Serie 3 V.V. +0.4 |
| Alonso Guzman Tondreau | Saint George's College | 4 | 18.25 | 1 q |
| Benjamin Ignacio Tejos Florenzano | Everest | 6 | 18.49 | 2 q |
| Braulio Constantino Gaete Arancibia | Instituto La Salle | 3 | 19.26 | 6 q |
| Joaquín Carrasco Olivares | San Ignacio El Bosque | 1 | 19.71 | 7 |
| Domingo Jimenez Pardo | Saint George's College | 5 | 19.97 | 9 |
| Eithan Mori Calle | Santa Cruz - Chicureo | 2 | 21.06 | 11 |
