| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Rafael Rojas Torrejon | Instituto Chacabuco | 3 | 8.72 | 2 q |
| Tomás García Roberts | San Benito | 8 | 8.74 | 3 q |
| Diego Simón Olivares Labarca | Saint George's College | 4 | 8.94 | 5 q |
| Gaspar Sariego Lobos | San Esteban Diácono | 5 | 9.68 | 11 |
| Raimundo Valdes Morales | SSCC Manquehue | 2 | 9.69 | 12 |
| Vicente Raimundo Barrales Pino | María Luisa Bombal | 6 | DNS | |
| Leon Cruz Villar | Lycée Antoine de Saint-Exupéry | 7 | DNS | |
| Serie 2 | ||||
| Arturo Aldunate Concha | San Benito | 4 | 8.87 | 4 q |
| Mateo Ignacio Acuña Schiefelbein | Saint George's College | 5 | 9.19 | 7 q |
| Boris Zuñiga Padruno | San Esteban Diácono | 7 | 9.40 | 8 q |
| Salvador Bertrand Matte | SSCC Manquehue | 6 | 9.64 (9.6400) | 9 |
| Gabriel Tomás Céspedes Fernández | María Luisa Bombal | 8 | 10.30 | 15 |
| Ruben Cortes Menendez | Lycée Antoine de Saint-Exupéry | 2 | 11.92 | 17 |
| Tomas Muñoz Salinas | Instituto Chacabuco | 3 | DNS | |
| Serie 3 | ||||
| Alonso Hormazabal Covarrubias | Instituto Chacabuco | 5 | 8.69 | 1 q |
| Mateo Arancibia Estebanez | San Benito | 3 | 9.02 | 6 q |
| Lucas Donoso Soto | Saint George's College | 7 | 9.64 (9.6400) | 10 |
| Pedro Weinstein Hidalgo | María Luisa Bombal | 6 | 9.72 | 13 |
| Matias Muñoz Diaz | SSCC Manquehue | 8 | 9.89 | 14 |
| Ignacio Gallo Daniello | San Esteban Diácono | 4 | 10.62 | 16 |
