| Serie 1 V.V. -0.7 |
| Santiago Lazar Bouissa | Uruguay | 3 | 11.09 (11.0900) | 9 q |
| Juan José García Ovalle | Tabancura | 4 | 11.14 (11.1400) | 11 |
| Leon Florenzano Errazuriz | Verbo Divino | 1 | 11.22 | 13 |
| Martin Montesinos Lopez De Santa María | Saint George's College | 6 | 11.29 (11.2900) | 15 |
| Pedro Navarrete Correa | Everest | 7 | 11.31 (11.3100) | 17 |
| Thomas Gabriel Inostroza Toloza | Centro Educacional Adventista de Los Ángeles | 2 | 11.42 (11.4200) | 22 |
| Cristobal Godoy Villanueva | Manuel Larrain - Curicó | 8 | 11.45 (11.4500) | 25 |
| Jorge Ignacio Del Río Morales | San Anselmo | 5 | DNS | |
| Serie 2 V.V. +2.8 |
| Martin Vera Mujica | San Mateo - Osorno | 5 | 10.87 | 2 q |
| Fernando Vallejos Lopez | Colegio Los Alpes de Maipú | 3 | 10.99 | 5 q |
| Angel Eduardo Guevara Balza | Instituto O'Higgins de Rancagua | 2 | 11.07 | 7 q |
| Cristoban Andres Dauvergne Seguel | Internacional SEK | 7 | 11.09 (11.0900) | 10 |
| Ignacio Pablo Del Prado Castagnoli | Greenhouse School | 8 | 11.48 | 27 |
| Jose Tomas Leon Lindh | SSCC Manquehue | 1 | DNS | |
| Tomas Leon Valenzuela | SSCC Manquehue | 4 | DNS | |
| Marc Anderson Donat Donat | Deportivo Luis Cruz Martínez | 6 | DNS | |
| Serie 3 V.V. -0.2 |
| Maximo Correa Montero | Everest | 3 | 11.14 (11.1400) | 12 |
| Nicolas Iriarte Tagle | Padre Hurtado | 2 | 11.25 | 14 |
| Benjamin Ignacio Ibarra Paiyamil | Adventista de Chile | 6 | 11.34 | 19 |
| Benjamín Lima Sánchez | Internacional SEK | 7 | 11.43 | 24 |
| Pedro Garcia Huidobro Finlay | SSCC Manquehue | 8 | 11.50 | 28 |
| Vicente Yañez Maldonado | Padre Hurtado | 1 | 12.73 | 31 |
| Lucas Moreno Tagle | Verbo Divino | 4 | DNS | |
| Juan Vicente Rodriguez Flores | Padre Hurtado | 5 | DNS | |
| Serie 4 V.V. +0.4 |
| Jose Tomas Ramirez Gaudlitz | San Anselmo | 4 | 10.75 | 1 q |
| Domingo Iglesis Lagarreta | San Anselmo | 5 | 10.93 | 3 q |
| Arturo Goldsack Salinas | Huinganal | 3 | 10.96 | 4 q |
| Cristóbal Andrés Mendoza Villena | Patagonia College - Puerto Montt | 7 | 11.31 (11.3100) | 18 |
| Cristobal Andre Figueroa Matus | Liceo Alemán del Verbo Divino - Los Ángeles | 6 | 11.42 (11.4200) | 23 |
| Santiago Plaza Hormaechea | San Ignacio El Bosque | 1 | 11.45 (11.4500) | 26 |
| Shigeru Tsukame Bavestrello | Cordillera | 8 | 11.69 | 30 |
| Diego Arroyo Cisternas | Alborada del Mar | 2 | DNS | |
| Serie 5 V.V. +0.3 |
| Hernán Muñoz Silva | Tabancura | 5 | 11.04 | 6 q |
| Domingo Matte Subercaseaux | Cordillera | 3 | 11.09 (11.0900) | 8 q |
| Clemente Franken Zaldivar | Verbo Divino | 6 | 11.29 (11.2900) | 16 |
| Juan Ibañez Larrain | Cordillera | 7 | 11.37 | 20 |
| Martin Perez Urzua | San Ignacio El Bosque | 1 | 11.38 | 21 |
| Benjamin Ignacio Tejos Florenzano | Everest | 8 | 11.56 | 29 |
| Juan Pablo Lyon Errázuriz | Tabancura | 4 | DNS | |
