| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Martín Errázuriz Lohmann | Cumbres | 3 | 10.45 | 2 q |
| Maximiliano Barrera Werner | Cumbres | 4 | 11.33 | 8 q |
| Cristóbal Palma Soto | San Francisco Javier de Huechuraba | 5 | 11.93 | 9 |
| Gerónimo Vigneaux Larraín | San Anselmo | 2 | ||
| José Correa Morandé | Verbo Divino | 6 | ||
| Gaston Ortuzar Larrain | San Anselmo | 7 | ||
| Serie 2 | ||||
| Manu Lopez Thayer | Saint George's College | 5 | 10.44 | 1 q |
| Cristián Ruz Encina | Saint George's College | 3 | 10.67 | 3 q |
| Vicente Russi Urrutia | San Francisco Javier de Huechuraba | 7 | 11.03 | 5 q |
| Borja Silva-Paredes Antúnez | San Ignacio El Bosque | 4 | 11.13 | 6 q |
| Jose Pablo Encina Peralta | San Francisco Javier de Huechuraba | 6 | 12.63 | 10 |
| Benjamin Oscar Solari Becker | San Anselmo | 2 | ||
| Serie 3 | ||||
| José Velasco González | Saint George's College | 5 | 10.72 | 4 q |
| Antonio Blanco Ortega | Cumbres | 4 | 11.29 | 7 q |
| Andrés Romero Sánchez | Saint George's College | 6 | 12.09 | (F.C.) |
| Sebastian Sarralde Pinochet | Saint George's College | 2 | (F.C.) | |
| Ernesto Silva Alamos | Verbo Divino | 3 | ||
