| Serie 1 V.V. +0.8 |
| Tomas Pinto Muñoz | Cumbres | 5 | 11.19 | 1 q |
| Cristobal Muñoz Muñoz | Saint George's College | 3 | 11.83 | 8 |
| Rodrigo Ignacio Labranque Contreras | Andree English School | 1 | 11.95 | 14 |
| Vicente Felipe Rodríguez Oisel | San Francisco de Asís | 6 | 11.97 | 15 |
| Diego Rodrigo Retamal Tracanao | Saint Maurice’s | 7 | 12.11 | 18 |
| Julio Bertrandt Velasco | SSCC Manquehue | 2 | 12.17 | 20 |
| Francisco Javier Herrera Salinero | Verbo Divino | 4 | DNS | |
| Gerónimo Vigneaux Larraín | San Anselmo | 8 | DNS | |
| Serie 2 V.V. +0.3 |
| Martín Bozzo Amenábar | Verbo Divino | 4 | 11.35 | 2 q |
| Pedro Pablo Canahuate Muñoz | Alemán de Chillán | 5 | 11.75 | 5 q |
| Angel Eduardo Guevara Balza | Instituto O'Higgins de Rancagua | 7 | 11.83 | 9 q |
| Theophane Dármand De Cheateveaux | San Francisco de Asís | 3 | 11.87 | 10 |
| Vicente Zuñiga Ortiz | San Anselmo | 2 | 12.25 | 22 |
| Manuel Arteaga Martínez | Saint George's College | 6 | 12.64 | 25 |
| Tomas Leon Valenzuela | SSCC Manquehue | 1 | DNS | |
| Bruno Brufau A | Everest | 8 | DNS | |
| Serie 3 V.V. +0.9 |
| Josef Peter Grohs De La Fuente | Alemán La Serena | 5 | 11.56 | 3 q |
| Juan Andres Concha Pinto | San Ignacio El Bosque | 6 | 11.82 | 7 q |
| Manuel Cabezón Bascuñán | Verbo Divino | 3 | 11.88 | 12 |
| Felipe Alejandro Castro Maturana | Centro Educacional Mario Bertero Cevasco | 8 | 12.11 | 19 |
| Matias Cisneros Del Fierro | San Francisco Javier de Huechuraba | 2 | 12.66 | 26 |
| Alejo Maceiras Vanonni | San José de Chicureo | 7 | 12.71 | 27 |
| Maximiliano Ljubetic Simonetti | Everest | 1 | 12.78 | 28 |
| Juan Vicente Rodriguez Flores | Padre Hurtado y Juanita de los Andes | 4 | DNS | |
| Serie 4 V.V. +1.4 |
| Nicolas Iriarte Tagle | Padre Hurtado y Juanita de los Andes | 2 | 11.87 | 11 |
| Pedro Navarrete Correa | Everest | 4 | 11.93 | 13 |
| Vicente Russi Urrutia | San Francisco Javier de Huechuraba | 5 | 12.42 | 24 |
| Pablo Mella Matas | Tabancura | 1 | DNS | |
| Benjamín Melo Díaz Arana | Verbo Divino | 3 | DNS | |
| Simón Alberto Herrera Berg | San Ignacio El Bosque | 6 | DNS | |
| Ignacio Seguel Villalobos | Liceo Nuestra Señora del Rosario de Linares | 7 | DNS | |
| Domingo Cortinez Martinez | San José de Chicureo | 8 | DNS | |
| Serie 5 V.V. +1.9 |
| Jose Miguel Orellana Lopez | Instituto Comercial La Cisterna | 2 | 11.69 | 4 q |
| Maximo Correa Montero | Everest | 4 | 11.77 | 6 q |
| Santiago Ignacio Diaz Folsch | San Ignacio El Bosque | 3 | 12.01 | 16 |
| Benjamín Mella Quezada | Tabancura | 1 | 12.03 | 17 |
| Ismael Espinosa Arriagada | Verbo Divino | 8 | 12.18 | 21 |
| Diego Giovanni Marchan Aravena | Saint Maurice’s | 6 | 12.34 | 23 |
| Cristóbal Palma Soto | San Francisco Javier de Huechuraba | 5 | 12.84 | 29 |
| Pelayo Garcia Armas | San José de Chicureo | 7 | DNS | |
