| Sebastian Alonso Quezada Vergara | Dunalastair - Peñalolén | | DNS | |
| Sebastian Hojman Nieri | The Mayflower School | | | |
| Serie 1 |
| Silvestre Pilasi Albertz | Craighouse School | 5 | 10.18 | 1 q |
| Cristóbal Felipe Castelli Izquierdo | The Wessex School - Concepción | 7 | 10.57 | 10 |
| Mateo Andres Soler Dowling | Bradford School | 3 | 10.69 | 15 |
| Sei Hernandez Serizawa | Saint Gabriel's School | 4 | 10.75 | 18 |
| Ignacio Campero Ansoleaga | Santiago College | 6 | 10.92 | 23 |
| Luciano Benavides Misle | The Mayflower School | 1 | 10.94 | 24 |
| Tomas Obach Dougnac | Santiago College | 2 | 11.16 | 27 |
| Hernan Jesus Vizcarra Zenteno | The Mackay School | 8 | 12.10 | 33 |
| Serie 2 |
| Iñigo Fernández García | Craighouse School | 5 | 10.37 | 4 q |
| Vicente Burgos Domínguez | Trebulco School | 4 | 10.59 | 11 |
| Nicolas Cumsille A | The Grange School | 2 | 10.66 | 13 |
| Manuel Polidura Mackenzie | Dunalastair - Chicureo | 8 | 10.95 | 25 |
| Cristóbal Muñoz Navas | Dunalastair - Chicureo | 7 | 11.20 | 28 |
| Domenico Ghivarello Veiga | Redland School | 6 | 11.51 | 31 |
| Serie 3 |
| Martín Ignacio Gonzalez Carrasco | Dunalastair - Peñalolén | 8 | 10.37 | 4 q |
| Jorge Lillo Peña | Saint Gabriel's School | 4 | 10.39 | 6 q |
| Clemente Loayza Díaz | Trebulco School | 6 | 10.48 | 9 |
| Santiago Marin Morra | The Mackay School | 5 | 10.67 | 14 |
| Gastón Esteban Gutiérrez Baranda | Bradford School | 2 | 10.76 | 19 |
| Jose Zapata Rivero | Redland School | 7 | 11.40 | 30 |
| Lucas Santander San Martin | The Mackay School | 3 | 12.25 | 34 |
| Serie 4 |
| Sebastián Gonzalez Jerrett | Saint Gabriel's School | 3 | 10.24 | 2 q |
| Luis Felipe Moya A | The Grange School | 6 | 10.34 | 3 q |
| Clemente Aros Benavides | Craighouse School | 7 | 10.45 | 7 q |
| Walter Sommer Venegas | Santiago College | 5 | 10.61 | 12 |
| Agustin Neumann Castro | Trebulco School | 4 | 10.69 | 15 |
| Clemente Espinoza Hoffman | Redland School | 8 | 11.05 | 26 |
| Pedro Cruzat Ramírez | The Mayflower School | 2 | 11.83 | 32 |
| Serie 5 |
| Bruno Ignacio Poblete Le-Bert | The Wessex School - Concepción | 7 | 10.47 | 8 q |
| Eddy Zeng Lai | Dunalastair - Chicureo | 4 | 10.74 | 17 |
| Alvaro Barriga A | The Grange School | 8 | 10.82 | 20 |
| Martin Alejandro Figueroa Farias | Dunalastair - Peñalolén | 6 | 10.83 | 21 |
| Juan Diego Palacios Oviedo | Bradford School | 3 | 10.89 | 22 |
| Benjamín Nicolás Rojas Mardones | The Wessex School - Concepción | 2 | 11.38 | 29 |
