| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Bruno Luna Molinari | San Ignacio El Bosque | 8 | 9.95 | 1 q |
| Santiago Dominguez Cosmelli | Verbo Divino | 5 | 10.28 | 2 q |
| Cristián José Herceg La Calle | Saint George's College | 3 | 10.69 | 3 q |
| Santiago Ugarte Bustamante | Tabancura | 7 | 11.44 | 7 q |
| Diego Quevedo Finlay | SSCC Manquehue | 4 | 11.49 | 8 q |
| Cristobal Amenabar Mardones | Cordillera | 2 | DNS | |
| Julián Betteley Cerveró | San Anselmo | 6 | DNS | |
| Serie 2 | ||||
| Manuel Rojas López | San Ignacio El Bosque | 8 | 11.09 | 5 q |
| Diego Lozano Merino | Saint George's College | 3 | 11.12 | 6 q |
| Pedro Felipe Herrera Sierra | Verbo Divino | 4 | 11.53 | 9 |
| Lucas Eyzaguirre Ugarte | Tabancura | 7 | 11.91 | 10 |
| Juan Villarreal Kluever | SSCC Manquehue | 5 | 12.52 | 12 |
| Jose Carrera Silva | San Anselmo | 6 | DNS | |
| Serie 3 | ||||
| Teodoro Koehler Montero | Verbo Divino | 8 | 10.73 | 4 q |
| Gaston Araya Cox | San Ignacio El Bosque | 7 | 12.19 | 11 |
| Jose Ignacio Merino Burmester | Tabancura | 6 | 12.73 | 13 |
| Raymundo Cherit Salvo | Saint George's College | 3 | DNS | |
| Jose Miguel Aguirre Rossi | Cordillera | 4 | DNS | |
| Mateo Torrejon May | SSCC Manquehue | 5 | DNS | |
