| Serie 1 V.V. +0.7 |
| Gabriel Alejandro Toledo Ibieta | SSCC Concepción | 3 | 22.82 | 4 q |
| Francisco Javier Sandoval Hermida | Coronel Masters | 6 | 23.03 | 6 q |
| José Luis Toledo Sánchez | Atlético Quilamapu | 5 | 23.40 | 10 |
| Matias Antonio Pardo Oliva | Universidad Católica | 2 | 23.94 | 11 |
| Felipe Andrés Bustamante Monsalves | CADECU | 7 | 23.97 | 12 |
| Jose Gregorio Ángulo Pereza | Atletismo Penco | 1 | DNS | |
| Cristián Reyes Troncoso | Coronel Masters | 4 | DNS | |
| Serie 2 V.V. -0.3 |
| Cristian Baeza Pedreros | Atlético Olimpo Chiguayante | 3 | 22.56 | 1 q |
| Diego Misael Arturo Mardones Segura | DSC Diamantes de Coronel | 4 | 22.66 | 2 q |
| Pablo Esteban Ramos Hormazábal | Atlético Nahuén | 5 | 23.16 | 8 q |
| Gabriel Rodrigo Inostroza Toloza | Atlético Los Ángeles | 6 | 23.20 | 9 q |
| Clemente Mateo Concha Montino | SSCC Concepción | 7 | 25.20 | 14 |
| Matías Cristóbal Salcedo Franco | Atlético Aves | 1 | DNS | |
| Bastian Garnica Jaramillo | Atlético Nahuén | 2 | DNS | |
| Serie 3 V.V. -0.3 |
| Thomas Gabriel Inostroza Toloza | Atlético Los Ángeles | 4 | 22.71 | 3 q |
| Joaquín Elias Rodriguéz Tapia | Atlético Olimpo Chiguayante | 5 | 22.99 | 5 q |
| Cristobal Rodrigo Betanzo Gutierrez | CADECU | 6 | 23.06 | 7 q |
| Alonso Hernan Olivares Martinez | Deportivo Atlético Coronel | 1 | 24.93 | 13 |
| Vicente Andrés Robles Pereira | Atletismo Juan Silva - Lota | 7 | 25.95 | 15 |
| Kevin Murton Carrasco | DSC Diamantes de Coronel | 2 | DNS | |
| Andres Villareal Guerra | Atlético Quilamapu | 3 | DNS | |
