| Serie 1 V.V. +0.5 |
| Elyhomar José Morales Pérez | Instituto Comercial La Cisterna | 3 | 11.11 | 4 q |
| Victor Raffernau Contreras | The Kingstown School | 1 | 11.36 | 17 |
| Fernando Vallejos Lopez | Colegio Los Alpes de Maipú | 7 | 11.43 | 19 |
| Vicente Yañez Maldonado | Padre Hurtado y Juanita de los Andes | 8 | 11.52 | 23 |
| Hector Burgos Sayes | Centro Educacional Aquelarre | 2 | DNS | |
| Tomas Leon Valenzuela | SSCC Manquehue | 4 | DNS | |
| Maximo Correa Montero | Everest | 5 | DNS | |
| Pedro Ovalle Bascuñán | Tabancura | 6 | DNS | |
| Serie 2 V.V. +0.2 |
| Juan Vicente Rodriguez Flores | Padre Hurtado y Juanita de los Andes | 3 | 10.95 | 2 q |
| Martín Bozzo Amenábar | Verbo Divino | 5 | 11.18 | 8 q |
| Bruno Brufau A | Everest | 4 | 11.23 | 11 |
| Jose Miguel Orellana Lopez | Instituto Comercial La Cisterna | 7 | 11.32 | 15 |
| Angel Eduardo Guevara Balza | Instituto O'Higgins de Rancagua | 6 | 11.50 | 22 |
| Diego Iacobelli Ovalle | Tabancura | 2 | 11.61 | 25 |
| Benjamín Melo Díaz Arana | Verbo Divino | 8 | 11.61 | 26 |
| Mauricio Buschmann Cambiasso | Cumbres | 1 | 11.65 | 27 |
| Serie 3 V.V. -0.7 |
| Arturo Goldsack Salinas | Huinganal | 5 | 11.15 | 6 q |
| Marc Anderson Donat Donat | Colegio Deportivo Luis Cruz Martínez | 3 | 11.17 | 7 q |
| Camilo Fernandez Alzamora | SSCC Padres Franceses - Viña del Mar | 4 | 11.22 | 10 |
| Nicolás Alfonso Pizarro Pizarro | Tamelcura | 7 | 11.44 | 20 |
| Maximo Andres Altamirano Alarcon | Instituto Santa María - Limache | 2 | 11.74 | 28 |
| Cristobal Alonso Garcia Ramirez | Grace College | 1 | 11.76 | 29 |
| Matias Benjamin Jiménez Lagos | Tamelcura | 6 | 11.76 | 30 |
| Domingo Cortinez Martinez | San José de Chicureo | 8 | DNS | |
| Serie 4 V.V. +0.3 |
| Juan Andres Concha Pinto | San Ignacio El Bosque | 4 | 11.11 | 5 q |
| Nicolas Iriarte Tagle | Padre Hurtado y Juanita de los Andes | 7 | 11.34 | 16 |
| Beltran Ayala Urrejola | Saint George's College | 6 | 11.38 | 18 |
| Jose Miguel Goio Mendez | Instituto Inglés de Rancagua | 3 | 11.54 | 24 |
| Cristóbal Acuña Sánchez | Athletic Study Center | 1 | 11.82 | 31 |
| Santiago Gutierrez Mege | Instituto Inglés de Rancagua | 2 | DNS | |
| Juan Pablo Lyon Errázuriz | Tabancura | 5 | DNS | |
| Tomás Bascuñán Morán | Saint George's College | 8 | DNS | |
| Serie 5 V.V. +1.6 |
| Pelayo Garcia Armas | San José de Chicureo | 5 | 10.90 | 1 q |
| Nicolas Daudet Escobar | San Ignacio El Bosque | 4 | 10.98 | 3 q |
| Hernán Muñoz Silva | Tabancura | 3 | 11.19 | 9 |
| Benjamín Lima Sánchez | Internacional SEK | 8 | 11.23 | 12 |
| Tomas Pinto Muñoz | Cumbres | 6 | 11.28 | 13 |
| Pedro Navarrete Correa | Everest | 7 | 11.29 | 14 |
| Cristian Montes A | The Grange School | 2 | 11.45 | 21 |
