| Serie 1 |
| Cristobal Godoy Villanueva | Manuel Larrain - Curicó | 4 | 10.03 | 1 q |
| Vicente Cox Ojeda | San Ignacio El Bosque | 8 | 10.88 | 9 |
| Julián Antonio Cancino Egger | Instituto O'Higgins de Rancagua | 3 | 12.18 | 22 |
| Francisco Javier Carrasco Papic | Inglés Saint John - Rancagua | 6 | 12.66 | 26 |
| Edgar Ezequiel Paredes Canales | Liceo Bicentenario Oriente Rengo | 7 | 12.77 | 27 |
| Victor Alonso Olea Burgos | Saint Maurice’s | 1 | 12.93 | 29 |
| Sergio Marmalyuk Marmalyuk | Mayor - Peñalolen | 2 | DNS | |
| Vicente Joaquin Maldeverde Navarro | Coya | 5 | DNS | |
| Serie 2 |
| Lucas Ramirez Gajardo | San Ignacio El Bosque | 1 | 10.61 | 6 q |
| Tomas Alexander Cabezas Medina | Liceo Bicentenario Oriente Rengo | 7 | 11.35 | 13 |
| Tomás Felipe Roca Artaza | Instituto O'Higgins de Rancagua | 5 | 11.61 | 17 |
| Agustín Illanes Baeza | La Cruz de Machalí | 3 | 11.82 | 19 |
| Oscar Francisco Ortega Carrasco | Saint Maurice’s | 8 | 12.88 | 28 |
| Alex Alonso Estrada Ortiz | Manquemávida - Santa Cruz | 6 | 13.93 | 34 |
| Rodrigo Iturriaga Rojas | Manuel Larrain - Curicó | 2 | DNS | |
| Felipe Rodrigo Aravena Abarca | Coya | 4 | DNS | |
| Serie 3 |
| Melchor Gregorio Silva-Paredes Antúnez | San Ignacio El Bosque | 7 | 10.46 | 3 q |
| Tomas Chescotta Sabariego | Manquemávida - Santa Cruz | 6 | 10.70 | 7 q |
| Francisco Antonio Pino Bravo | La Cruz de Machalí | 5 | 11.07 | 10 |
| Joaquin Ignacio Zuñiga Morales | Quimahue | 3 | 11.80 | 18 |
| Dangelo Agustin Maximiliano Huerta Barriga | Coya | 1 | 13.26 | 31 |
| Pedro Martinez Valenzuela | Manuel Larrain - Curicó | 2 | 13.30 | 32 |
| Benjamin Ignacio Serrano Sprohnle | Instituto O'Higgins de Rancagua | 4 | DNS | |
| Cristhian Alexander Silvestre Perez | Saint Maurice’s | 8 | DNS | |
| Serie 4 |
| Maximiliano Améstica Cerda | Mayor - Peñalolen | 4 | 11.42 | 15 |
| Alonso Francisco Arriola Díaz | Javiera Carrera - Rancagua | 8 | 11.54 | 16 |
| Vicente Ignacio Vidal Silva | Instituto O'Higgins de Rancagua | 3 | 12.57 | 25 |
| Pablo Andres Aravena Villarroel | Saint Maurice’s | 1 | 13.59 | 33 |
| Guillermo Alfonso Morales Rios | Los Cipreses | 2 | DNS | |
| Felipe Andres Gutierrez Zuñiga | Coya | 5 | DNS | |
| Agustín José Prieto Velasco | La Cruz de Machalí | 6 | DNS | |
| Johan Martinez M | Atlético Liceo | 7 | DNS | |
| Serie 5 |
| Tomas Leiva Aguilar | Santa María de Belén | 5 | 11.15 | 11 |
| Nicolas Tiscornia Cruz | Del Valle | 4 | 11.89 | 20 |
| Amaro Butron Carrasco | Instituto Inglés de Rancagua | 6 | 12.03 | 21 |
| Leon Santander Perello | Mayor - Peñalolen | 2 | 12.94 | 30 |
| Alvaro Esteban Valenzuela Diaz | Coya | 1 | DNS | |
| Agustín Varas Lopez | La Cruz de Machalí | 3 | DNS | |
| Samuel Jimenez Jimenez | Atlético Liceo | 7 | DNS | |
| Renato Zuñiga Gonzalez | Los Cipreses | 8 | DNS | |
| Serie 6 |
| Vicente José Rodriguez Guerra | Instituto Inglés de Rancagua | 5 | 10.41 | 2 q |
| Isidoro Palma Matte | San Ignacio El Bosque | 6 | 10.54 | 5 q |
| Emilio Alonso Carrillo Manriquez | Montessori de Talca | 7 | 10.74 | 8 q |
| Diego Espinoza Bahamondez | Manuel Larrain - Curicó | 1 | 11.40 | 14 |
| Tomás Buttazzoni Redlich | La Cruz de Machalí | 4 | 12.34 | 23 |
| Alonso Coloma Hurtado | Mayor - Peñalolen | 2 | DNS | |
| Benjami Cid Arrigada | Atlético Liceo | 3 | DNS | |
| Vicente Leon Gonzalez Romero | Liceo Bicentenario Óscar Castro Zúñiga | 8 | DNS | |
| Serie 7 |
| Manuel Ortuzar Buttazzoni | San Ignacio El Bosque | 2 | 10.48 | 4 q |
| Emiliano León Henriquez Armijo | Instituto O'Higgins de Rancagua | 3 | 11.25 | 12 |
| Lucas Dibán Humeres | Mayor - Peñalolen | 5 | 12.34 | 24 |
| Roberto Cristian Silva Pizarro | Liceo Ena Belleman Montti | 4 | DNS | |
| Benjamin Suazo Muñoz | Atlético Liceo | 6 | DNS | |
| Maximiliano Alonso Arriola Arriola | Liceo Bicentenario Óscar Castro Zúñiga | 7 | DNS | |
| Nicolas Orellana Palacios | Manuel Larrain - Curicó | 8 | DNS | |
