| Gabriel Andrés Pérez Grez | Carampangue | | 57.35 | 4 |
| Serie 1 |
| Luciano Bravo Barrera | Greenfield School | 1 | 1:02.51 | 6 |
| Vicente Montes Sanchez | Alcántara - Talagante | 2 | DNS | |
| Patricio Parrao Millar | Maitenes | 3 | DNS | |
| Rafael Osorio Reyes | De Santa María - El Monte | 4 | DNS | |
| Franco Massimo Figueroa Vega | Academia de Humanidades | 5 | DNS | |
| Benjamín Greve Valdés | Carampangue | 6 | DNS | |
| Serie 2 |
| Fernando Olmos Saavedra | De Santa María - El Monte | 3 | 1:05.28 | 7 |
| Agustín Mauricio Cuadra Meza | Nicolás Carvajal - Talagante | 1 | 1:07.81 | |
| Lukas Gabriel Alveal | Academia de Humanidades | 2 | DNS | |
| David Alfonso Sánchez Ramirez | Manquecura - Ciudad de los Valles | 4 | DNS | |
| Lukas Rojas Argandoña | Carampangue | 5 | DNS | |
| Alonso Ihann Peñalosa Poblete | Liceo A-119 Talagante | 6 | DNS | |
| Serie 3 |
| Benjamin Cancino Ponce | Instituto Premilitar de Chile | 6 | 55.88 | 2 |
| Joaquín González Medina | Carampangue | 4 | 1:07.31 | 8 |
| Mateo Rubilar Reyes | Manquecura - Ciudad de los Valles | 2 | DNS | |
| Matias Guarin Guarin | Sonlight | 3 | DNS | |
| Vicente Alejandro González Canalés | Liceo Bicentenario - Talagante | 5 | DNS | |
| Serie 4 |
| Alonso Tomás León Rojas | Academia de Humanidades | 5 | 54.95 | 1 |
| Simón Pfeiffer Pfeiffer Vergara | Alterra | 2 | 56.24 | 3 |
| Martin Díaz Del Solar | De La Salle | 3 | 58.74 | 5 |
| Vicente Tomas Caceres Caceres | Greenfield School | 4 | DNS | |
| Ricardo Daniel Casas Rodriguez | Liceo Hermanos Sotomayor Baeza | 6 | DNS | |
| Clasificación final |
| Alonso Tomás León Rojas | Academia de Humanidades | 5 | 54.95 | 1 |
| Benjamin Cancino Ponce | Instituto Premilitar de Chile | 6 | 55.88 | 2 |
| Simón Pfeiffer Pfeiffer Vergara | Alterra | 2 | 56.24 | 3 |
| Gabriel Andrés Pérez Grez | Carampangue | | 57.35 | 4 |
| Martin Díaz Del Solar | De La Salle | 3 | 58.74 | 5 |
| Luciano Bravo Barrera | Greenfield School | 1 | 1:02.51 | 6 |
| Fernando Olmos Saavedra | De Santa María - El Monte | 3 | 1:05.28 | 7 |
| Joaquín González Medina | Carampangue | 4 | 1:07.31 | 8 |
