| Serie 1 V.V. +2.3 |
| Franco Antonio Stefoni Alcayaga | Universidad Católica | 3 | 11.03 (11.0300) | 1 q |
| Domingo Iglesis Lagarreta | Manquehue | 4 | 11.21 (11.2100) | 5 q |
| Ignacio Pablo Del Prado Castagnoli | Atlético Phoenix | 5 | 11.64 | 14 |
| Mateo Andrés Robles Yañes | Deportivo Sangre Diaguitas | 6 | 11.71 | 16 |
| Sebastián Jesús Jara Álvarez | Atletismo Linares | 8 | 11.95 | 25 |
| Martin Molina Reyes | Atlético Francés | 2 | 12.05 | 27 |
| Diego Fornaro Kast | Atlético Francés | 1 | DNS | |
| Tomás Felipe Roca Artaza | Atlético San Vicente | 7 | DNS | |
| Serie 2 V.V. +0.6 |
| Mateo Fernández Oneto | Universidad Católica | 3 | 11.03 (11.0300) | 2 q |
| Guido Brufau Pierini | Universidad Católica | 4 | 11.45 | 10 |
| Agustín Claverie Montero | Manquehue | 2 | 11.82 | 21 |
| Santiago Rodriguez Grass | Manquehue | 5 | 11.92 | 24 |
| Vicente Quinteros Hidalgo | Atlético O'Higgins | 6 | 12.10 | 29 |
| Silvestre Pavic Garea | Manquehue | 1 | 12.13 | 30 |
| Mateo Leiva Arenas | Atlético O'Higgins | 7 | 12.63 | 35 |
| Victor Eduardo Prieto Gonzalez | Atlético San Vicente | 8 | DNS | |
| Serie 3 V.V. +1.0 |
| Juan José García Ovalle | Atlético Santiago | 3 | 11.12 | 4 q |
| Benjamín Marchant Aspe | Atlético Rauten | 8 | 12.07 | 28 |
| Baltazar Perelló Burr | Atlético Francés | 2 | 12.16 | 31 |
| Vicente Donoso Mendez | Atlético Francés | 7 | 12.18 | 32 |
| Santiago Julian Barrientos Jaime | Atlético San Vicente | 6 | 12.20 | 33 |
| Alonso Ravanal Villalobos | Nicolás Carvajal - Talagante | 1 | 12.88 | 38 |
| Juan Ibañez Larrain | Universidad Católica | 4 | DNS | |
| Patrick Devilat Necochea | Universidad Católica | 5 | DNS | |
| Serie 4 V.V. +0.9 |
| Lucas Moreno Tagle | Atlético Santiago | 3 | 11.06 | 3 q |
| Jose Tomas Ramirez Gaudlitz | Manquehue | 4 | 11.33 | 7 q |
| Felipe Ampuero Bathich | Oassi | 2 | 11.67 | 15 |
| Cristobal Errazuriz Morelli | Atlético Santiago | 1 | 11.72 | 17 |
| Tomás Arenas Kutz | Atlético Santiago | 5 | 11.81 | 20 |
| Kimany Santiago Araya Cortez | Atlético S-2000 | 8 | 11.87 | 23 |
| Martin Perez Urzua | San Ignacio | 6 | DNS | |
| Maximiliano Aaron Obligado Zapata | Atlético Rauten | 7 | DNS | |
| Serie 5 V.V. +0.1 |
| Francisco Javier Larrain Ureta | Atlético Santiago | 1 | 11.21 (11.2100) | 6 q |
| Julian Alberto Ávila Campos | Atletismo Linares | 3 | 11.34 | 8 q |
| Vicente Vidal Valles | Manquehue | 2 | 11.54 | 12 |
| Maximo Andres Altamirano Alarcon | Atlético Limache | 4 | 11.61 | 13 |
| Esteban Nuñez Cea | Atlético Rauten | 6 | 11.77 | 18 |
| Jose Tomás Jorquera Aspé | Atlético Francés | 5 | 11.85 | 22 |
| Joaquin Augusto Peralta Valverde | Atlético Francés | 7 | 13.11 | 39 |
| Serie 6 V.V. +1.4 |
| Maximiliano Matta Schilling | Manquehue | 4 | 11.41 | 9 |
| Facundo Vidal Garcia | Universidad Católica | 3 | 11.49 | 11 |
| Santiago Bañados Schall | Universidad Católica | 5 | 11.79 | 19 |
| Joaquín Carrasco Olivares | San Ignacio | 6 | 11.98 | 26 |
| Ariel Vidal Caceres | Atlético Rauten | 1 | 12.62 | 34 |
| Mateo Rodrigo Peña Guerra | Atlético Estudiantes | 7 | 12.74 | 36 |
| Miguel Nicolás Núñez Sanhueza | Oassi | 2 | 12.82 | 37 |
