| Serie 1 |
| Maximiliano Andrés Sáez Vásquez | Inglés San José de Linderos | 6 | 9.10 (9.1000) | 5 q |
| Federico Del Campo Espinosa | San José de Chicureo | 7 | 9.28 | 11 |
| Tomas Garcia Ovalle | Tabancura | 5 | 9.64 | 12 |
| Maximiliano Celery Lopez | Lycée Antoine de Saint-Exupéry | 2 | 9.88 | 14 |
| Pablo Andres Aguilar Moya | Pucaiquen | 3 | 10.06 | 18 |
| Simon Tapia Valdivia | La Misión de Calera de Tango | 8 | 10.25 | 19 |
| Santiago Emilio De La Barra Caviedes | Verbo Divino - Chicureo | 1 | DNS | |
| Serie 2 |
| Pedro Tomás Rodriguez Martinez | San Ignacio El Bosque | 2 | 9.10 (9.1000) | 6 q |
| Benjamín Morello Martínez | Tabancura | 8 | 9.25 | 10 |
| Cristian Del Campo Espinoza | San José de Chicureo | 3 | 9.94 | 15 |
| Jorge Andrés Olmedo Martínez | Verbo Divino - Chicureo | 6 | 9.98 | 16 |
| Oscar Ramirez Gavilan | Escuela Básica Saint Rodric College | 1 | 10.05 | 17 |
| Noam Waissbluth Yudelevich | Instituto Hebreo | 7 | 10.40 | 20 |
| Teo Ríos Soto | Scuola Italiana - Vittorio Montiglio | 4 | DNS | |
| Daniel Morales Aravena | The Angel's School | 5 | DNS | |
| Serie 3 |
| Nicolas Palma Pino | San Ignacio El Bosque | 3 | 8.62 | 1 q |
| Sebastian Martinez Palazon | Scuola Italiana - Vittorio Montiglio | 8 | 8.81 | 2 q |
| Raimundo Macias Fernandez | Nuestra Señora del Camino | 2 | 9.03 | 3 q |
| Jose Bravo Ducci | Tabancura | 6 | 9.09 | 4 q |
| Martin Pizarro Gurdon | Lycée Antoine de Saint-Exupéry | 1 | DNS | |
| Matias Ignacio Orellana Montero | Verbo Divino - Chicureo | 4 | DNS | |
| José Domingo Ortiz Candia | Escuela Básica Saint Rodric College | 5 | DNS | |
| Vicente Cobo Rodríguez | SSCC Manquehue | 7 | DNS | |
| Serie 4 |
| Martín Santelices Neilson | San José de Chicureo | 4 | 9.16 | 7 q |
| Rafael Barrau Garcia | Internacional SEK | 8 | 9.18 | 8 q |
| Lucas Palma Pino | San Ignacio El Bosque | 2 | 9.21 | 9 |
| José Baquedano Bignon | Calasanz | 5 | 9.74 | 13 |
| Sebastian Jara Polanco | SSCC Providencia | 1 | DNS | |
| Agustin Massimiliano Villatoro Rodriguez | Escuela Básica Saint Rodric College | 3 | DNS | |
| Gabriel Coulon Yañez | Lycée Antoine de Saint-Exupéry | 6 | DNS | |
| Santiago Adolfo Iriarte Meirone | Scuola Italiana - Vittorio Montiglio | 7 | DNS | |
