| Serie 1 |
| Pedro Orellana Bohnom | Instituto San Fernando | 5 | 11.66 | 3 q |
| José Tomas Soto Contreras | San Fernando College | 3 | 11.78 | 5 q |
| Nicholas Harmsworth Ausset | Arrayanes | 6 | 12.34 | 7 q |
| Cristobal Eduardo Seguel Jara | Escuela María Luisa Bouchon | 2 | 12.76 | 8 q |
| Jose Luis Guajardo Avilez | Escuela María Luisa Bouchon | 8 | 13.07 | 9 |
| Benjamín Paulo Andres Cruz Canales | Escuela María Luisa Bouchon | 4 | | |
| Benjamín Alonso Torres Zuñiga | San Fernando College | 7 | | |
| Serie 2 |
| Mateo Sanhueza Quintero | Instituto San Fernando | 7 | 11.20 | 1 q |
| Pablo Andrés Sánchez González | San Fernando College | 8 | 11.41 | 2 q |
| Cristóbal Ignacio Enos Hurtado | San Fernando College | 5 | 11.69 | 4 q |
| Clemente Andrés Maturana Trivelli | Arrayanes | 6 | 12.14 | 6 q |
| Diego Antonio Bruno Neira | Escuela María Luisa Bouchon | 2 | 13.26 | 10 |
| Alexander Daniel Centeno Medina | Escuela María Luisa Bouchon | 3 | 13.97 | 11 |
| Agustín Alonso Iturra Duran | San Fernando College | 4 | | |
