| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Jose Manuel Faille Matte | Verbo Divino | 6 | 10.11 | 1 q |
| Clemente Kolubakin Macan | Saint George's College | 5 | 10.51 | 4 q |
| Cristián José Herceg La Calle | Saint George's College | 1 | 10.62 | 5 q |
| Jose Hurtado Rivadeneira | Tabancura | 3 | 10.64 | 6 q |
| Bruno Luna Molinari | San Ignacio El Bosque | 2 | 10.85 | 9 |
| Martin Miño Poulain | SSCC Manquehue | 4 | 12.09 | 11 |
| Bernardo Alamos Opazo | Cordillera | 7 | DNS | |
| Cristobal Barros Montes | Cordillera | 8 | DNS | |
| Serie 2 | ||||
| Nicolas Hurtado Rivadeneira | Tabancura | 5 | 10.26 | 2 q |
| Felipe Novoa Gillet | Verbo Divino | 2 | 10.48 | 3 q |
| Diego Simón Olivares Labarca | Saint George's College | 4 | 10.71 | 7 q |
| Felipe Sahli Fischer | Tabancura | 1 | 10.78 | 8 q |
| Clemente Marin Navarro | San Ignacio El Bosque | 6 | 11.15 | 10 |
| Clemente Digirolamo Aspillaga | San Ignacio El Bosque | 8 | 12.68 | 12 |
| Joaquin Covarrubias Jiménez | Padre Hurtado | 3 | DNS | |
| Sebastian Meier Montano | Cordillera | 7 | DNS | |
