| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Agustín Dominguez Valdés | San Benito | 2 | 10.30 | 1 q |
| Martin Casali Irarrázabal | Saint George's College | 5 | 10.68 | 5 q |
| Cristian Correa Rivera | SSCC Manquehue | 3 | 10.85 | 9 |
| Santiago Smith Diaz Valdes | Tabancura | 6 | 11.09 | 10 |
| Serie 2 | ||||
| Tomás Davis Catafau | San Benito | 3 | 10.46 | 2 q |
| Simon Hube Mangiamarchi | Saint George's College | 2 | 10.47 | 3 q |
| Agustin Araya Fuentes | SSCC Manquehue | 4 | 10.67 | 4 q |
| Benjamin Caracoche Gonzalez | San Esteban Diácono | 6 | 12.47 | 14 |
| Tomás Aguado Riquelmo | San Benito | 1 | 11.43 | (F.C.) |
| Anibal Le Blanc Koehler | Tabancura | 5 | DNS | |
| Serie 3 | ||||
| Joaquin Cordes Covarrubias | SSCC Manquehue | 5 | 10.70 | 6 q |
| Max Prieto Mujica | Tabancura | 6 | 10.73 | 7 |
| Antonio Llanos Justiniano | Saint George's College | 4 | 10.76 | 8 |
| Luis Felipe Bravo Zuñiga | San Benito | 2 | 11.43 | 11 |
| Nicolas Cruzat Soza | Tabancura | 1 | 11.59 | 12 |
| Franco Gariazzo Navarrete | San Esteban Diácono | 3 | 12.26 | 13 |
