| Serie 1 |
| Valentín Andrés Sánchez Clavel | Instituto Alonso de Ercilla | 5 | 12.58 | 6 q |
| Alonso Torres Moreno | La Misión de Calera de Tango | 1 | 12.81 | 14 |
| Felipe Alvarez Silva | Mayor - Peñalolen | 7 | 13.07 | 20 |
| Vicente Burgos Domínguez | Trebulco School | 3 | 13.49 | 27 |
| Bruno Luci Chacón | Academia de Humanidades | 2 | 13.84 | 32 |
| Martín Ignacio Vera Saez | Boston Academy Laguna del Sol | 8 | 14.98 | 42 |
| Benjamín Diaz Musalem | Instituto Inglés de Rancagua | 4 | | 47 |
| Alejandro Tiznado Ruiz | Pumahue | 6 | | 48 |
| Serie 2 |
| Lucas Badilla Zambrano | Mayor - Peñalolen | 3 | 12.56 | 5 q |
| Diego Contreras Elgueta | Pumahue | 2 | 12.66 | 9 |
| José Ibrahim Blanco Guzmán | Instituto Alonso de Ercilla | 7 | 12.79 | 13 |
| José Tomás Moreno Esveile | Instituto Inglés de Rancagua | 8 | 12.98 | 18 |
| Carlos Marín Poblete | Lycée Jean Mermoz | 6 | 13.67 | 29 |
| Lucas Donoso Retamal | La Misión de Calera de Tango | 4 | 13.95 | 34 |
| Eduin Yamanta Torres Oliva | Alberto Hurtado Cruchaga | 1 | 15.71 | 45 |
| Diego Rivera Ule | Boston Academy Laguna del Sol | 5 | 16.60 | 46 |
| Serie 3 |
| Santiago Tomás Tessaro Poblete | Instituto Alonso de Ercilla | 5 | 12.44 | 2 q |
| Alonso Coloma Hurtado | Mayor - Peñalolen | 6 | 13.08 | 21 |
| Tomás Van De Wyngard Torres | Lycée Jean Mermoz | 1 | 13.22 | 23 |
| Fernando Alonso Cordero Bratti | Campanario - Buin | 4 | 13.89 | 33 |
| Martin Andrés Galarce Fernandez | Boston Academy Laguna del Sol | 8 | 13.96 | 35 |
| Juan Carlos Rodriguez Brito | La Misión de Calera de Tango | 2 | 14.42 | 39 |
| Cristobal Elias Abraham Espinosa | Alberto Hurtado Cruchaga | 7 | 15.41 | 44 |
| Emiliano Orueta Gomez | Instituto Inglés de Rancagua | 3 | | 49 |
| Serie 4 |
| Gabriel Andrés Pérez Grez | Carampangue | 7 | 12.95 | 16 |
| Lorenzo Gabriel Carrillo Quero | Instituto Alonso de Ercilla | 8 | 12.97 | 17 |
| Alonso Tomas Carrillo Zapata | La Misión de Calera de Tango | 3 | 13.03 | 19 |
| Gaston Camilo Puig Alvarez | The Angel's School | 2 | 13.74 | 31 |
| Alfonso Espinoza Castro | Lycée Jean Mermoz | 5 | 13.97 | 36 |
| Simón Ignacio La Paz Chihuailaf | Alberto Hurtado Cruchaga | 4 | 14.09 | 37 |
| Francisco Solo De Zaldivar Bengoa | Campanario - Buin | 1 | | 50 |
| Vicente Ignacio Fernandez Rivas | Boston Academy Laguna del Sol | 6 | | 51 |
| Serie 5 |
| Gustavo Soto Cárcamo | Lycée Jean Mermoz | 3 | 12.75 | 10 |
| Vicente García Loyola | Trebulco School | 1 | 12.77 | 11 |
| Gaspar Aguilera Atria | The Angel's School | 2 | 12.78 | 12 |
| Iñaki Baeza Buyse | Campanario - Buin | 5 | 13.56 | 28 |
| Cesar Mateo Aguilera Campos | Academia de Humanidades | 4 | 14.17 | 38 |
| José Miguel Zamora Guajardo | Alberto Hurtado Cruchaga | 7 | 14.78 | 41 |
| Francisco Ignacio Solar Barrenechea | Carampangue | 6 | | 52 |
| Serie 6 |
| Lucas Pedemonte Derderian | Trebulco School | 2 | 12.64 | 7 q |
| Benjamin Wiedmaier Lambruchini | Pumahue | 3 | 12.65 | 8 q |
| Santiago Enrique Brain Gutiérrez | Manquecura - Ciudad de los Valles | 6 | 12.85 | 15 |
| Martín Antonio Reyes Fuenzalida | Carampangue | 4 | 13.15 | 22 |
| Diego Fornaro Kast | Campanario - Buin | 1 | 13.42 | 25 |
| Abraham Aviles Prado | The Angel's School | 5 | 13.73 | 30 |
| Pablo Ignacio Pradenas Duran | Academia de Humanidades | 7 | 15.02 | 43 |
| Serie 7 |
| Gaspar Pereira Herrera | Pumahue | 2 | 12.35 | 1 q |
| Lorenzo Perez Cornejo | The Angel's School | 3 | 12.46 | 3 q |
| Damian Mingo Colvin | Trebulco School | 7 | 12.47 | 4 q |
| Vicente Ignacio Gentico Molina | Carampangue | 6 | 13.23 | 24 |
| Diego Orellana Varela | Mayor - Peñalolen | 4 | 13.45 | 26 |
| Lucas Martin Henríquez Ferrada | Academia de Humanidades | 5 | 14.44 | 40 |
| Mateo Camacho Potín | Instituto Inglés de Rancagua | 1 | | 53 |
