| Serie 1 |
| Alfonso Andrés Misa Reye | San Francisco de Paine | 4 | 10.88 | q |
| Marco Antonio Contreras Vergara | Maitenes | 1 | 11.09 | q |
| Marcial Johnson Valdés | San Isidro | 2 | 11.97 | |
| Uri Daile Bass | La Misión de Calera de Tango | 6 | 12.62 | |
| Benjamin Andres Herrera Cabrejos | Institución Teresiana | 3 | 13.29 | |
| Arturo Verderau Alarcon | Campanario - Buin | 5 | | |
| Serie 2 |
| Camilo Marcial Ibarra Oyarce | Instituto Alonso de Ercilla | 5 | 12.37 | |
| Sergio Rodríguez Villarroel | La Misión de Calera de Tango | 2 | 12.91 | |
| Martín Mackenna Vial | Maitenes | 3 | 13.49 | |
| Rodrigo Fernández Dominguez | Maitenes | 1 | 14.14 | |
| Gianluca Salvatore Castello Belmar | Instituto Alonso de Ercilla | 4 | | |
| Jose Tomás Olea Valenzuela | Campanario - Buin | 6 | | |
| Serie 3 |
| Diego Saviñon Cortinez | Institución Teresiana | 3 | 10.45 | q |
| Enzo Luzoro Osorio | Campanario - Buin | 2 | 10.76 | q |
| Vicente Aspillaga Lezaeta | La Cruz de Machalí | 6 | 11.44 | q |
| Vicente Lezaeta Rodríguez | La Cruz de Machalí | 5 | 11.84 | |
| Ignacio Antonio Contreras Fuster | Instituto Alonso de Ercilla | 1 | 11.85 | |
| Ignacio Torres Maggi | Highlands | 4 | | |
| Serie 4 |
| Martin Eduardo Delanoe Marín | San Francisco de Paine | 2 | 11.46 | |
| Mateo Wolde Tolosa | San Francisco de Paine | 3 | 11.73 | |
| Lucas Youlton Cerda | Highlands | 4 | | |
| José Tomás Lagreze Andrade | San Francisco de Paine | 5 | | |
| Maximiliano De La Carrera Oz | Highlands | 6 | | |
| Serie 5 |
| Joaquin Ignacio Gonzalez Zamora | Institución Teresiana | 3 | 10.76 | q |
| Gabriel Fernando Contreras Griott | Instituto Alonso de Ercilla | 2 | 11.72 | |
| Octavio Ramos Venegas | La Cruz de Machalí | 5 | 11.99 | |
| Felipe Beristain Arellano | San Isidro | 4 | 12.18 | |
| Vicente Fernandez Perez | Highlands | 6 | | |
| Serie 6 |
| Domingo Droste García | San Isidro | 5 | 11.64 | |
| Franco Luzoro Osorio | Campanario - Buin | 3 | 12.01 | |
| Gabriel Erdelt Arenas | Maitenes | 2 | 12.34 | |
| Juan José Lezaeta Herrera | La Cruz de Machalí | 6 | 12.69 | |
| Andrés Osorio Barros | San Isidro | 4 | | |
| Serie 7 |
| Samuel Matte Dominguez | Maitenes | 3 | 10.91 | q |
| Pablo Jose Torres Maggi | Highlands | 6 | 11.27 | q |
| Benjamin Rajevic Zamora | Institución Teresiana | 4 | 11.71 | |
| Joaquín Alberto Serrano Cañete | San Francisco de Paine | 2 | | |
| Pablo Morales Carreño | Institución Teresiana | 5 | | |
