| Serie 1 |
| Vicente Vidal Valles | Saint George's College | 3 | 9.66 | 2 q |
| Max Prieto Mujica | Tabancura | 1 | 9.93 | 3 q |
| Guido Brufau Pierini | Everest | 5 | 9.97 | 4 q |
| Ignacio Nuñez Rivera | Verbo Divino | 7 | 10.10 | 8 q |
| Agustin Araya Fuentes | SSCC Manquehue | 6 | 10.17 | 10 |
| José Manuel Valdivia Maturana | San Ignacio El Bosque | 4 | 10.43 | 16 |
| Vicente Castro Dintrans | Padre Hurtado y Juanita de los Andes | 8 | 10.80 | 19 |
| Tomas Romero Rodriguez | Cordillera | 2 | DNS | |
| Serie 2 |
| Nicolas Oyanedel Hermosilla | SSCC Manquehue | 3 | 10.01 | 5 q |
| Jose Pedro Estebanez Fernandez | Everest | 8 | 10.02 | 6 q |
| Roberto Peralta Vergara | Verbo Divino | 2 | 10.09 | 7 q |
| Ignacio Germán Jensen Correa | Saint George's College | 5 | 10.20 | 11 |
| Santiago Smith Diaz Valdes | Tabancura | 6 | 10.39 | 14 |
| Augusto Allue Baeza | Cordillera | 7 | 10.48 | 17 |
| Manuel Lagos Ariztia | San Ignacio El Bosque | 4 | 10.81 | 20 |
| Serie 3 |
| Francisco Javier Larrain Ureta | Verbo Divino | 3 | 9.54 | 1 q |
| Felipe Ampuero Bathich | San Ignacio El Bosque | 5 | 10.13 | 9 |
| Tomas Faure Hartard | Everest | 7 | 10.26 | 12 |
| Antonio Llanos Justiniano | Saint George's College | 8 | 10.34 | 13 |
| Lucas Atienza De Lo Reyes | SSCC Manquehue | 6 | 10.39 | 15 |
| Guilermo Menechetti Ugarte | Cordillera | 2 | 10.74 | 18 |
| Antonio Rodriguez Balart | Tabancura | 4 | DNS | |
