| Domingo Augusto Punti Cartasegna | La Cruz de Machalí | | | |
| Serie 1 |
| Martin Urzua Opazo | Instituto La Salle | 8 | 12.41 | |
| Renato Vicente Iragorri Arenas | Saint Maurice’s | 3 | 12.52 | |
| Jose Tomás Zamorano Medina | Alexander Fleming | 5 | 13.21 | |
| Oscar Torres Maggi | Highlands | 1 | | |
| Benjamin Miguel Alamos Grez | San Francisco de Asís | 2 | | |
| Jose Tomas Araneda Esquivel | Highlands | 6 | | |
| Tomás Javier Dazzarola Forno | Campanario - Buin | 7 | | |
| Serie 2 |
| José Tomás Ochagavía Gubbins | La Cruz de Machalí | 8 | 12.00 | q |
| Vicente Andres Zuñiga Jofre | San Pedro Nolasco - Vitacura | 6 | 12.07 | q |
| Bruno Lorenzo Evans Soto | Instituto Inglés de Rancagua | 3 | 13.02 | |
| Vicente Andrés Aguila Silva | Alexander Fleming | 4 | 13.47 | |
| Cristobal Andres Rendich Salinas | Instituto Alonso de Ercilla | 2 | 14.86 | |
| Manuel Gonzalez Mallol | Institución Teresiana | 1 | | |
| Joaquin Donoso Barraza | Internacional SEK | 5 | | |
| Nicolás Guzmán Saric | The English Institute | 7 | | |
| Serie 3 |
| Santiago Andres Astaburuaga Briseño | Campanario - Buin | 4 | 12.57 | |
| Felipe Muñoz De La Rosa | The Southern Cross School | 5 | 12.61 | |
| Nicolas Carrasco Valenzuela | Internacional SEK | 7 | 12.61 | |
| Juan Francisco Martinez Munita | San Esteban Diácono | 1 | | |
| Torben Bosen Skov | Maitenes | 2 | | |
| Jose Calcagni Peña | Scuola Italiana - Vittorio Montiglio | 3 | | |
| Juan Pedro Olea Valenzuela | Campanario - Buin | 6 | | |
| Luis Francisco Cano Reyes | Polivalente Don Orione | 8 | DNS | |
| Serie 4 |
| Andres Felipe Vasquez De Gracia | San Pedro Nolasco - Vitacura | 1 | 12.25 | |
| Inaué Hryhorczuk Artus | Alexander Fleming | 5 | 12.87 | |
| Santiago Prieto Covarrubias | San Francisco de Asís | 6 | 13.09 | |
| Marcos Luis Melendez Pino | Alexander Fleming | 3 | 13.50 | |
| Joaquín Coya Silva | La Cruz de Machalí | 2 | | |
| Diego Salinas Farías | Teresiano Enrique de Osso | 4 | | |
| Simon Moraga Cartes | Scuola Italiana - Vittorio Montiglio | 7 | | |
| David Joel Rojas Valenzuela | Saint Maurice’s | 8 | | |
| Serie 5 |
| Andrés Guillermo Ross Moreno | Instituto O'Higgins de Rancagua | 5 | 11.35 | q |
| Maximiliano Gabriel Alegría Soto | Instituto O'Higgins de Rancagua | 2 | 11.67 | q |
| Cristobal Vázquez Salazar | Carampangue | 4 | 12.15 | |
| Matías Esteban Alfaro Méndez | The English Institute | 8 | 12.95 | |
| Roberto Saldias Herrera | Internacional SEK | 7 | 13.39 | |
| Benjamín Santiago De La Cerda Massaro | Scuola Italiana - Vittorio Montiglio | 1 | 14.01 | |
| Maximiliano Arriagada Tapia | Carampangue | 3 | | |
| Diego Riquelme Beltrami | Pumahue | 6 | | |
| Serie 6 |
| Ignacio Arros Yaeger | Teresiano Enrique de Osso | 7 | 12.11 | |
| Renato Mora Diaz | Teresiano Enrique de Osso | 4 | 12.47 | |
| Renato Hernan Farias Marros | Alexander Fleming | 6 | 12.51 | |
| Lucas Baltasar Mendez Osorio | De La Salle | 5 | 13.50 | |
| Tomas Alonso Moya Troncoso | The English Institute | 2 | 13.58 | |
| Gabriel Contreras Griott | Instituto Alonso de Ercilla | 1 | | |
| Seamus Dixon Fraser Fraser | Saint Maurice’s | 3 | | |
| Benjamin Cavieres Luo | Teresiano Enrique de Osso | 8 | | |
| Serie 7 |
| Martín Araya Muñoz | Saint Maurice’s | 6 | 12.17 | |
| Martín Alonso García Súarez | Instituto La Salle | 1 | 12.41 | |
| Diego Zubeldia Anuch | The Southern Cross School | 5 | 12.96 | |
| Javier Benjamin Ratto Escobar | Instituto Alonso de Ercilla | 4 | 13.03 | |
| Matias Javier Marambio Urrutia | Instituto Inglés de Rancagua | 2 | | |
| Jose Antonio Fernandez Perez | Internacional SEK | 3 | | |
| Jose Francisco Rossi Magallon | Carampangue | 7 | | |
| Jose Angel Dominguez Salazar | Teresiano Enrique de Osso | 8 | | |
| Serie 8 |
| Francisco Javier Yañez Sáez | Instituto O'Higgins de Rancagua | 4 | 11.96 | q |
| Paolo Sarri Pino | The Southern Cross School | 5 | 12.17 | |
| Gonzalo Billa Jerez | San Francisco de Asís | 1 | 12.82 | |
| Agustín Gaggero Borrowman | San Esteban Diácono | 7 | 12.94 | |
| Sebastían José Abarzúa Borcosque | Instituto La Salle | 2 | 14.60 | |
| Simon Felipe Vargas Osorio | Instituto O'Higgins de Rancagua | 3 | | |
| Javier Ignacio Bezares Muñoz | Saint Maurice’s | 6 | | |
| Andres Felipe Coddou Avendaño | Institución Teresiana | 8 | | |
| Serie 9 |
| Martin Lagos Conejeros | Institución Teresiana | 1 | 11.73 | q |
| Ignacio Benjamin Classing Cardenas | Instituto Inglés de Rancagua | 2 | 12.27 | |
| Hector Vicente Sanchez Andrade | Alexander Fleming | 3 | 13.09 | |
| Bruno Guillermo Zunino Ugalde | Scuola Italiana - Vittorio Montiglio | 8 | 13.36 | |
| Martin Retamal Gonzalez | The English Institute | 4 | 13.68 | |
| Agustin Andres Gonzalez Montt | Instituto Alonso de Ercilla | 5 | | |
| Marcelo Eduardo Aguilera Martínez | Campanario - Buin | 6 | | |
| Gabriel Erdelt Arenas | Maitenes | 7 | | |
| Serie 10 |
| Victor Daniel Cortes Arriagada | Institución Teresiana | 2 | 11.95 | q |
| Carlos Martinez Rodriguez | Highlands | 8 | 12.34 | |
| Benjamín Andrés Díaz Criado | De La Salle | 4 | 12.84 | |
| Jose Alarcon Sepulveda | Alcázar - Las Condes | 5 | 12.89 | |
| Nicolas Ivan Alejandro Gatica Tornería | Instituto O'Higgins de Rancagua | 7 | 13.23 | |
| Diego Francisco Brion Orellana | Instituto O'Higgins de Rancagua | 1 | | |
| Juan Ignacio Ortíz Rojas | La Cruz de Machalí | 3 | | |
| Gonzalo Anguita Rodriguez | Scuola Italiana - Vittorio Montiglio | 6 | | |
| Serie 11 |
| Diego Ivan Leyton Escauriaza | Institución Teresiana | 6 | 12.03 | q |
| Emmanuel Alejandro Guajardo Mendoza | Instituto La Salle | 8 | 12.24 | |
| Angelo Perrotta Massú | Carampangue | 7 | 12.33 | |
| Javier Ignacio Bilbao Castro | Instituto Inglés de Rancagua | 2 | 12.75 | |
| Genaro Alonso Pando Flores | De La Salle | 4 | 13.12 | |
| Sebastian Lopez Rojas | Alcázar - Las Condes | 3 | | |
| Samuel Matte Dominguez | Maitenes | 5 | | |
| Serie 12 |
| Matias Ignacio Crisostomo Burgos | Instituto Alonso de Ercilla | 4 | 13.04 | |
| Javier Lopez Sagredo | Instituto Alonso de Ercilla | 7 | 13.45 | |
| Alan Héctor Saavedra Gonzalez | De La Salle | 6 | 14.04 | |
| Juan Ignacio Keymer Tohá | The English Institute | 2 | | |
| Sebastián Andrés Leal Chocair | San Pedro Nolasco - Vitacura | 3 | | |
| Matías Eugenio Muratta Wada | De La Salle | 5 | | |
| Juan Andrés García Huidobro Venegas | Campanario - Buin | 8 | | |
| Serie 13 |
| Nery Andrés Silva Sornoza | Instituto La Salle | 2 | 12.26 | |
| Joaquin Alfonso Carrasco Villagran | Institución Teresiana | 5 | 12.43 | |
| Mauricio Alucena Ruiz | Internacional SEK | 7 | 13.52 | |
| Martín Canales Soza | San Esteban Diácono | 3 | | |
| José Manuel Perea Ossandón | Carampangue | 4 | | |
| Luis Taylor Taylor | Highlands | 6 | | |
| Renato Zahid Maturana Nazif | Teresiano Enrique de Osso | 8 | | |
| Serie 14 |
| Felipe Antonio Raffo Paniagua | Instituto Inglés de Rancagua | 6 | 12.27 | |
| Joaquin Andres Gomez Carrasco | Saint Maurice’s | 8 | 12.91 | |
| Jose Alberto Salcedo Paz | The English Institute | 2 | 14.07 | |
| Juan Sepulveda Raggio | Scuola Italiana - Vittorio Montiglio | 3 | | |
| Raúl Lagomarsino Sandoya | San Francisco de Asís | 4 | | |
| Cristóbal Gabriel Sepúlveda Rivera | Instituto La Salle | 5 | | |
| Gustavo Andres Alarcon Zbinden | Instituto Inglés de Rancagua | 7 | | |
