| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Nicolás Ceresa Alfaro | Saint George's College | 8 | 10.79 | 1 q |
| Martin Casali Irarrázabal | Saint George's College | 1 | 10.94 | 2 q |
| Julian Urbina Maldonado | Instituto Chacabuco | 2 | 11.18 | 3 q |
| Francisco Garcia Huidobro Benavente | San Benito | 7 | 11.31 | 5 q |
| Gabriel Becerra Poindrelle | Lycée Antoine de Saint-Exupéry | 5 | 11.98 | 8 q |
| Pedro Sauvalle Ojeda | María Luisa Bombal | 3 | DNS | |
| Carlos Ignacio Carcamo Fuentes | María Luisa Bombal | 4 | DNS | |
| Ignacio Correa Larrea | San Esteban Diácono | 6 | DNS | |
| Serie 2 | ||||
| Tomás Aguado Riquelmo | San Benito | 8 | 11.20 | 4 q |
| Nicolás Montané Schoor | San Benito | 1 | 11.34 | 6 q |
| Juan Ignacio Alfonso Muhe | Saint George's College | 5 | 11.79 | 7 q |
| Axel Smette Arqueros | Lycée Antoine de Saint-Exupéry | 3 | 12.63 | 9 |
| Erwan Lizak Gonzalez | Lycée Antoine de Saint-Exupéry | 4 | 13.72 | 10 |
| Clemente Miño Poulin | SSCC Manquehue | 2 | DNS | |
| Stefano Di Maggio Edwards | María Luisa Bombal | 6 | DNS | |
| Nicolás Domange Hayal | San Esteban Diácono | 7 | DNS | |
