| Serie 1 |
| Rodrigo Alcalde Huerta | San Francisco de Asís | 8 | 9.08 | 4 q |
| Bruno Galleguillos Apablaza | Santo Domingo | 2 | 9.44 | 13 |
| Yugo Miura Nozaki | Epullay Montessori | 6 | 9.65 | 17 |
| Santiago De Pablo Aranguiz | Internacional SEK | 7 | 9.77 | 20 |
| Raimundo Mettroz Martínez | San Francisco Javier de Huechuraba | 5 | 9.78 | 21 |
| José Calleja Rovira | Saint George's College | 4 | 9.79 | 22 |
| Felipe Savé Galmez | De La Salle | 1 | 10.67 | 32 |
| Damien Poulangeon Lefranc | Alianza Francesa | 3 | DNS | |
| Serie 2 |
| Vicente Pardo Cortés | San Francisco de Asís | 1 | 8.70 | 1 q |
| Ignacio Jaime Salinas Lopez | Verbo Divino - Chicureo | 3 | 8.96 | 2 q |
| Rafael Rojas Torrejon | Instituto Chacabuco | 2 | 9.00 | 3 q |
| Rafael Bucher Leiva | San Francisco Javier de Huechuraba | 4 | 9.47 | 14 |
| Clemente Kolubakin Macan | Saint George's College | 7 | 9.84 | 23 |
| Cristobal Vega Herrera | De La Salle | 8 | 9.96 | 25 |
| Vicente Andre Rodriguez Nuñez | Internacional SEK | 6 | 11.66 | 35 |
| Marco Bennett Leon | Epullay Montessori | 5 | DNS | |
| Serie 3 |
| Esteban D'armand De Chateauvieux | San Francisco de Asís | 6 | 9.22 | 5 q |
| Francisco De Borja Urrejola Irarrázabal | Tabancura | 3 | 9.37 | 9 |
| Benjamin De La Fuente Ortega | Saint John's Villa Academy | 8 | 9.38 | 10 |
| Ignacio Enrique Norero Fernández | Mariano de Schoenstatt | 7 | 9.72 | 19 |
| Luka Vucina Apablaza | San Francisco Javier de Huechuraba | 4 | 10.18 | 28 |
| Rafael Descrove Pires | Epullay Montessori | 2 | 11.32 | 33 |
| Tomas Muñoz Salinas | Instituto Chacabuco | 1 | DNS | |
| Manuel Rojas López | San Ignacio El Bosque | 5 | DNS | |
| Serie 4 |
| Anibal José Matte Chomón | Monte Tabor | 5 | 9.24 | 6 q |
| Jose Manuel Ojeda Fleischmann | Tabancura | 2 | 9.43 | 12 |
| Lucas Parada Oñate | Saint John's Villa Academy | 1 | 10.15 | 27 |
| Joaquín Escudero Perez | The Greenland School | 8 | 10.36 | 30 |
| Gonzalo Vieira Klein | Maitenes | 3 | DNS | |
| Nicolás Morales Aravena | The Angel's School | 4 | DNS | |
| Clemente Jascura Fernández | San Ignacio El Bosque | 6 | DNS | |
| Valentino Andrés Parra Silva | Mariano de Schoenstatt | 7 | DNS | |
| Serie 5 |
| Juan Jose Fernandez Carrasco | Scuola Italiana - Vittorio Montiglio | 8 | 9.30 | 8 q |
| Jose Ignacio Merino Burmester | Tabancura | 1 | 9.60 | 16 |
| Nicolas Donoso Flores | Saint John's Villa Academy | 2 | 9.71 | 18 |
| Ignacio Galilea Undurraga | Monte Tabor | 5 | 9.96 | 26 |
| Vicente Morales Figueroa | Mariano de Schoenstatt | 6 | 10.20 | 29 |
| Diego Alvarez Acuña | The Greenland School | 3 | 11.59 | 34 |
| Tomas Ruiz Vega | The Angel's School | 4 | DNS | |
| Bruno Luna Molinari | San Ignacio El Bosque | 7 | DNS | |
| Serie 6 |
| Cristián José Herceg La Calle | Saint George's College | 2 | 9.25 | 7 q |
| Agustín Fleischmann Hasenberg | Monte Tabor | 7 | 9.39 | 11 |
| Fransisco Pino Quilapan | Terra Austral Oeste | 6 | 9.50 | 15 |
| Carlos Ignacio Flores Vargas | De Santa María - El Monte | 3 | 9.92 | 24 |
| Martin Hidalgo Diaz | The Angel's School | 1 | DNS | |
| Diego Eduardo Erdmann Loyola | Scuola Italiana - Vittorio Montiglio | 4 | DNS | |
| Joaquin Oyarzun Gonzalez | The Greenland School | 5 | DNS | |
| Alexandre Guena Ortega | Alianza Francesa | 8 | DNS | |
