| Serie 1 |
| Lucca Paolo Davagnino Loguercio | San Ignacio El Bosque | 5 | 11.97 | 4 q |
| Vicente Javier Moreno Parra | Liceo Bicentenario Óscar Castro Zúñiga | 7 | 12.01 | 6 q |
| Benjamin Tobar Salinas | Manquemávida - Santa Cruz | 1 | 12.50 | 14 |
| Víctor Ignacio Gomez Moraga | Manuel Larrain - Curicó | 6 | 12.99 | 23 |
| Pedro Vera Yañez | Atlético Liceo | 3 | 14.43 | 45 |
| Raphael Amaros Norambuena Tomayo | Liceo Bicentenario Oriente Rengo | 2 | 14.76 | 49 |
| Matias Antonio Muñoz Orellana | Gabriela Mistral - Rancagua | 4 | DNS | |
| Kevin Alejandro Arenas Guajardo | Bicentenario Miguel de Cervantes | 8 | DNS | |
| Serie 2 |
| Clemente Atria Fuentes | San Ignacio El Bosque | 5 | 12.21 | 9 |
| Vicente Alonso Farias Soto | Manuel Larrain - Curicó | 7 | 12.46 | 13 |
| Jesus Enrique Saavedra Lozano | Gabriela Mistral - Rancagua | 4 | 13.12 | 26 |
| Martín Rodrigo Moscoso Rivera | Manquemávida - Santa Cruz | 8 | 13.39 | 34 |
| Alonso Andres Allendes Guevara | Liceo Bicentenario Óscar Castro Zúñiga | 3 | 13.45 | 36 |
| Vicente Nicolas Van Der Mer Quinteros | Liceo Bicentenario Oriente Rengo | 6 | 14.42 | 44 |
| Alejandro Gabrielle Perez Garcia | El Cobre | 1 | DNS | |
| Benjamin Rojas Sayes | Atlético Liceo | 2 | DNS | |
| Serie 3 |
| Ignacio Manieu Mantelli | San Ignacio El Bosque | 4 | 12.27 | 11 |
| Maximiliano Andres Torres Pedraza | Gabriela Mistral - Rancagua | 8 | 12.70 | 19 |
| Iñigo Butron Carrasco | Instituto Inglés de Rancagua | 7 | 13.16 | 28 |
| Benjamín Negrete Navarro | Manuel Larrain - Curicó | 2 | 13.23 | 31 |
| Vicente Espinoza Salgado | Centro Educacional Aquelarre | 3 | 13.42 | 35 |
| Francisco Alberto Rojas Larenas | Liceo Bicentenario Óscar Castro Zúñiga | 5 | 15.96 | 52 |
| Benjamin Veliz Soto | Atlético Liceo | 1 | DNS | |
| Angel Patricio Ibarra Ortega | Liceo Bicentenario Oriente Rengo | 6 | DNS | |
| Serie 4 |
| Martin Alzérreca Duarte | San Ignacio El Bosque | 8 | 11.81 | 2 q |
| Jorge Pavez Valderrama | Centro Educacional Aquelarre | 3 | 13.21 | 30 |
| Clemente Salvador Gonzalez Romero | Liceo Bicentenario Óscar Castro Zúñiga | 2 | 13.23 | 32 |
| Vicente Pacual Mejias Mejias | Manuel Larrain - Curicó | 6 | 13.46 | 38 |
| Bruno Gabriel Espinosa Bustos | Mozart de Machalí | 1 | 13.55 | 39 |
| Luciano Elgueta Castro | Atlético Liceo | 5 | 14.59 | 47 |
| Agustin Ignacio Carrillo Hermosilla | Instituto Inglés de Rancagua | 4 | DNS | |
| Daniel Agustín Silva Fuentes | Javiera Carrera - Rancagua | 7 | DNS | |
| Serie 5 |
| Gustavo Andrés Veliz Abrigo | Centro Educacional Aquelarre | 3 | 11.80 | 1 q |
| Gaspar Alonso Navarro Moreno | San Ignacio El Bosque | 2 | 12.15 | 8 q |
| Iñaki Pizarro Gazitúa | Pumahue | 5 | 12.24 | 10 |
| Vicente Luciano Rivera Subiabre | María Educa - Coquimbo | 4 | 12.59 | 15 |
| Daniel Jeremias Gonzalez Moreno | Saint Maurice’s | 8 | 13.95 | 41 |
| Santiago León Fernández Meléndez | Javiera Carrera - Rancagua | 6 | 15.45 | 51 |
| Miguel Leon Benavides | Atlético Liceo | 7 | DNS | |
| Serie 6 |
| Lucas Rodrigo Vicencio Sias | Nahuelcura de Machalí | 7 | 11.96 | 3 q |
| Martín Anibal Volpi Canales | Centro Educacional Aquelarre | 2 | 12.11 | 7 q |
| Vicente Antonio Hidalgo Caro | Javiera Carrera - Rancagua | 6 | 12.32 | 12 |
| Benjamín Pérez Malebrán | Mayor - Peñalolen | 8 | 12.82 | 21 |
| Diego Giovanni Marchan Aravena | Saint Maurice’s | 3 | 12.93 | 22 |
| Benjamín Gabriel Ignacio Yantén Catalán | Inglés Saint John - Rancagua | 4 | DNS | |
| Fernando Madrid Nuñez | Instituto O'Higgins de Rancagua | 5 | DNS | |
| Serie 7 |
| Martín Alonso Zúñiga Tapia | Mayor - Peñalolen | 3 | 12.61 | 16 |
| Diego Rodrigo Retamal Tracanao | Saint Maurice’s | 2 | 12.62 | 17 |
| Vicente Antonio Carrillo Manriquez | Montessori de Talca | 4 | 12.68 | 18 |
| Cristobal Leyton Osorio | Centro Educacional Aquelarre | 6 | 13.13 | 27 |
| Benjamin Patricio Guerrero Bravo | Instituto San Martín - Curicó | 5 | DNS | |
| Gaspar Alonos Garcia Uribe | Instituto O'Higgins de Rancagua | 7 | DNS | |
| Cristopher Antonio González Dote | Javiera Carrera - Rancagua | 8 | DNS | |
| Serie 8 |
| Cristóbal Emilio López Flores | Saint Maurice’s | 4 | 12.75 | 20 |
| Lorenzo Guzman Jimenez | Quimahue | 7 | 13.06 | 24 |
| Paulo Cortez Ciuffardi | Mayor - Peñalolen | 3 | 13.19 | 29 |
| Pedro Benjamin Rojas Hermosilla | Montessori de Talca | 2 | 14.13 | 42 |
| Bruno Tiscornia Cruz | Del Valle | 5 | DNS | |
| Angel Eduardo Guevara Balza | Instituto O'Higgins de Rancagua | 6 | DNS | |
| Bastian Alonso Vergara Guerra | Coya | 8 | DNS | |
| Serie 9 |
| Marc Anderson Donat Donat | Colegio Deportivo Luis Cruz Martínez | 3 | 11.97 | 5 q |
| Luciano Dias Cornejo | San Antonio del Baluarte de Rengo | 2 | 13.36 | 33 |
| Joaquín Zavala Moreno | Mayor - Peñalolen | 8 | 14.22 | 43 |
| Luka Jesus Peña Orellana | Liceo Bicentenario Oriente Rengo | 4 | 14.75 | 48 |
| Agustín Ignacio Dorner Guzmán | La Cruz de Machalí | 5 | DNS | |
| Benjamin Valdenegro Cabezas | Instituto O'Higgins de Rancagua | 6 | DNS | |
| Felipe Pavez Pereira | Coya | 7 | DNS | |
| Serie 10 |
| Benjamin Enrique Becerra Barraza | Escuela Agrícola San Vicente de Paul | 5 | 13.07 | 25 |
| Xing Jie Lucas Lu Flores | Mayor - Peñalolen | 6 | 13.45 | 37 |
| Jesus Francisco Aguilar Rodriguez | Gabriela Mistral - Rancagua | 7 | 13.66 | 40 |
| Simon Amaro Silva Figueroa | Liceo Bicentenario Óscar Castro Zúñiga | 8 | 14.52 | 46 |
| Matias Nicolas Quiroz Nuñez | Coya | 4 | 15.33 | 50 |
| Ignacio Bascuñán Hernández | Instituto O'Higgins de Rancagua | 2 | DNS | |
| Rodrigo Alejandro Diaz Piña | Liceo Bicentenario Oriente Rengo | 3 | DNS | |
