| Serie 1 |
| Juan Cristóbal Gamper Echeverría | Alemán de Valparaiso | 4 | 11.00 | 1 q |
| Jose Pablo Pezo Missene | Montemar | 8 | 11.99 | 5 q |
| Lukas Maximiliano Toledo Palma | Liceo Parroquial San Antonio | 2 | 12.44 | 9 |
| Gabriel Amaro Arenas Concha | Champagnat - Villa Alemana | 3 | 12.99 | 17 |
| Juan Carlos Lizana Alfaro | Scuola Italiana - Arturo Dell'Oro | 6 | 15.27 | 24 |
| Greco Borja Emmanuel Cataldo Martinez | Valle del Aconcagua de Quillota | 5 | DNS | |
| Sebastián Renato Jara Santana | Capellán Pascal | 7 | DNS | |
| Serie 2 |
| Pedro Cerda Pereyra | Alemán de Valparaiso | 6 | 12.03 | 6 q |
| Agustin Ignacio Perez Orellana | Montemar | 8 | 12.66 (12.6600) | 13 |
| Gaspar Emilio Caro Rodríguez | Champagnat - Villa Alemana | 3 | 12.95 | 16 |
| Mateo Valdés Simonelli | The Mackay School | 4 | 13.04 | 18 |
| Matías Alonso Antivilo López | Alborada de Curauma | 7 | 15.19 | 23 |
| Javier Felipe Olivares Molina | Liceo Parroquial San Antonio | 2 | DNS | |
| Pascal Miquel Contreras | Aconcagua | 5 | DNS | |
| Serie 3 |
| Santiago Enrique Mujica Velasquez | Aconcagua | 8 | 11.60 | 2 q |
| Pedro Eduardo Masot Carretero | Alemán de Valparaiso | 3 | 11.63 | 3 q |
| Simón Figueroa Rubeska | The Mackay School | 7 | 12.29 | 7 q |
| Elias Alonso Saavedra Garrido | Montemar | 5 | 12.42 | 8 q |
| Matías Alonso Carrasco Andrade | Champagnat - Villa Alemana | 2 | 12.47 | 10 |
| Renato Alberto Besoain Lira | Capellán Pascal | 4 | 13.18 | 19 |
| Nicolás Francisco Antivilo López | Alborada de Curauma | 6 | 15.17 | 22 |
| Serie 4 |
| Franco Prato Cabrera | The Mackay School | 2 | 11.65 | 4 q |
| Camilo Patricio Colipí Sepúlveda | Scuola Italiana - Arturo Dell'Oro | 6 | 12.53 | 11 |
| Vicente Rodrigo Canales García | Aconcagua | 8 | 12.59 | 12 |
| Matías Ignacio Rojas Gortaire | Valle del Aconcagua de Quillota | 4 | 12.66 (12.6600) | 14 |
| Gonzalo Aguayo Montenegro | Alborada de Curauma | 7 | 12.90 | 15 |
| Matías Alejandro Matus De La Parra Brandt | Capellán Pascal | 3 | 14.25 | 20 |
| Simon Alfredo Valdes Lopez | Liceo Parroquial San Antonio | 5 | 15.10 | 21 |
