| Serie 1 |
| Clemente Maximiliano Gatica Ruiz | Instituto San MartĂn - CuricĂł | 5 | 9.76 | 5 q |
| Vicente Andrés Flores Vergara | Boston Academy Laguna del Sol | 3 | 11.32 | 13 |
| Luciano Mateo Rojas GĂłmez | San Antonio del Baluarte de Rengo | 1 | DNS | |
| MatĂas Alonso Godoy DĂaz | Instituto Alonso de Ercilla | 2 | DNS | |
| Gaspar Martinez Hurtado | Instituto Rafael AriztĂa | 4 | DNS | |
| Serie 2 |
| Joaquin Ivan Muñoz Navarro | Instituto San MartĂn - CuricĂł | 5 | 9.09 | 1 q |
| Alberto Ignacio Fuentes Hernández | Instituto Alonso de Ercilla | 2 | 9.56 | 4 q |
| AgustĂn Alonso Valenzuela Plaza | San Antonio del Baluarte de Rengo | 1 | 10.73 | 10 q |
| BenjamĂn Ignacio Cid Madariaga | San Antonio del Baluarte de Rengo | 1 | 10.73 | 11 |
| TomĂ s Alberto Bazan Ancco | Boston College - Maipu | 3 | DNS | |
| AgustĂn Ariel Castillo Espinoza | Boston Academy Laguna del Sol | 4 | DNS | |
| Serie 3 |
| Leon Gomez Vargas | Instituto San MartĂn - CuricĂł | 2 | 9.79 | 6 q |
| Franco Andrés Thomsen Pizarro | Champagnat - Villa Alemana | 5 | 9.86 | 7 q |
| Nicolás Andrés Reyes Fuenzalida | Boston Academy Laguna del Sol | 3 | 10.74 | 12 |
| José Facundo Allende Jorquera | San Antonio del Baluarte de Rengo | 1 | DNS | |
| Felipe Ignacio Guerrero Rojas | Instituto Alonso de Ercilla | 4 | DNS | |
| Serie 4 |
| Fabian Alonso Basaure Sanchez | Champagnat - Villa Alemana | 1 | 9.40 | 2 q |
| Clemente Agustin Carreño Herrera | Boston Academy Laguna del Sol | 2 | 9.54 | 3 q |
| Benjamin Alonso Romero Pierola | Instituto San MartĂn - CuricĂł | 3 | 10.07 | 8 q |
| Jose Thomas Cabion Videla | Boston Academy Laguna del Sol | 3 | 10.07 | 9 q |
| Manuel Esteban Guajardo Fredes | San Antonio del Baluarte de Rengo | 4 | DNS | |
| Gustavo Mendoza Quispe | Instituto Alonso de Ercilla | 5 | DNS | |
| Serie 5 |
| Cristian MatĂas Duque Huechacona | Instituto Alonso de Ercilla | 2 | | |
| Sebastian Alonso Cisterna Cartes | Instituto San MartĂn - CuricĂł | 3 | | |
| Nicolás Andrés Villarroel Luna | Champagnat - Villa Alemana | 4 | | |
