| Serie 1 V.V. +0.2 |
| Franco Antonio Stefoni Alcayaga | Andrée English School | 4 | 10.77 | 1 q |
| Agustín Claverie Montero | San Anselmo | 6 | 11.27 | 4 q |
| Melchor Rios Pizarro | San Anselmo | 2 | 11.70 | 18 |
| Pedro Ossa Rodriguez | Tabancura | 1 | 11.97 | 26 |
| Jose Ferrer Aguirre | Huinganal | 3 | DNS | |
| Beltran Garcia De La Huerta Ariztia | Everest | 5 | DNS | |
| Cristobal Peña Silva | Santo Tomás El Bosque | 7 | DNS | |
| Agustin Cilfone Ezquerra | The Newland School | 8 | DNS | |
| Serie 2 V.V. +0.4 |
| Mateo Fernández Oneto | Cumbres | 4 | 11.08 | 2 q |
| Vicente Vidal Valles | Saint George's College | 3 | 11.35 | 5 q |
| Patrick Devilat Necochea | Santa Cruz - Chicureo | 6 | 11.65 | 14 |
| Rodrigo Maximiliano Fuentes Cayazzo | Centro Educacional Adventista de Los Ángeles | 2 | 11.69 (11.6900) | 16 |
| Cristobal Errazuriz Morelli | Verbo Divino | 8 | 11.69 (11.6900) | 17 |
| Diego Ignacio Hermosilla Perez | San Anselmo | 7 | 11.88 (11.8800) | 21 |
| Gabriel Figueroa Azocar | SSCC Alameda | 1 | DNS | |
| Wilder David Cueva Hernandez | Escuela Básica Reyes de España | 5 | DNS | |
| Serie 3 V.V. +0.5 |
| Tomas Peñaloza Pavez | Instituto Inglés de Rancagua | 4 | 11.21 | 3 q |
| Maximo Andres Altamirano Alarcon | Instituto Santa María - Limache | 5 | 11.42 | 6 q |
| Nicolas Oyanedel Hermosilla | SSCC Manquehue | 3 | 11.46 | 7 q |
| Juan Jose Gutierrez Sotomayor | SSCC Manquehue | 1 | 11.53 (11.5300) | 9 |
| Francisco Faundes Quemada | Andrée English School | 2 | 11.76 | 19 |
| Ignacio Nuñez Rivera | Verbo Divino | 6 | 11.87 | 20 |
| Clemente Amenabar Hernández | La Cruz de Machalí | 7 | DNS | |
| Cristobal Javier Cardenas Guerrero | Osorno College | 8 | DNS | |
| Serie 4 V.V. +0.9 |
| Emilio Alonso Carrillo Manriquez | Montessori de Talca | 7 | 11.54 | 11 |
| Martin Díaz Del Solar | De La Salle | 4 | 11.55 | 12 |
| Juan Pablo Morales Corradini | De La Salle | 2 | 11.59 | 13 |
| Felipe Ampuero Bathich | San Ignacio El Bosque | 3 | 11.88 (11.8800) | 22 |
| Joaquin Tejos Orellana | Santo Tomás - Antofagasta | 1 | 11.91 | 24 |
| Max Prieto Mujica | Tabancura | 8 | 12.03 | 29 |
| Maximiliano Matta Schilling | Saint George's College | 5 | DNS | |
| Carlos Vergara Correa | Verbo Divino | 6 | DNS | |
| Serie 5 V.V. -0.2 |
| Agustin Emiliano Puentes Pardo | Montessori de Talca | 5 | 11.47 | 8 q |
| Santiago Bañados Schall | San Ignacio El Bosque | 3 | 11.53 (11.5300) | 10 |
| Antonio Rodriguez Balart | Tabancura | 1 | 11.68 | 15 |
| Joaquin Bravo Sanhueza | Cordillera | 2 | 11.90 | 23 |
| Matias Vicente Areyuna Tejeda | Corazón de María - Antofagasta | 6 | 11.95 | 25 |
| Lucas Ignacio Mulatero Figueroa | Paula Vivanco | 8 | 11.98 | 27 |
| Julio Ignacio Santivañez Norambuena | Inglés de Talca | 7 | 12.02 | 28 |
| Guido Brufau Pierini | Everest | 4 | DNS | |
