| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 V.V. +2.3 | ||||
| Jose Joaquín Riveros Perez | Huinganal | 4 | 9.68 | 1 q |
| Benjamin Oscar Solari Becker | San Anselmo | 5 | 10.45 | 14 |
| Mateo Arteaga Bertholet | Everest | 7 | 10.47 | 15 |
| José Velasco González | Saint George's College | 3 | 10.63 | 16 |
| Benjamin Ruiz-tagle Edwards | Cordillera | 2 | DNS | |
| Tomas Lorca Lewin | SSCC Manquehue | 6 | DNS | |
| Jose Tomas Quiroga Cortes | Tabancura | 8 | DNS | |
| Serie 2 V.V. +0.3 | ||||
| Vicente Leisewitz Muñoz | Cumbres | 4 | 9.85 | 3 q |
| Jose Tomas Larrain Vial | Cordillera | 7 | 10.19 | 8 q |
| Arturo Le Blanc Alamos | Tabancura | 8 | 10.31 | 9 |
| José Correa Morandé | Verbo Divino | 3 | 10.44 | 13 |
| Eleodoro Augusto Rodríguez Chadwick | Everest | 5 | 11.05 | 19 |
| Diego Bazan Silva | SSCC Manquehue | 6 | DNS | |
| Serie 3 V.V. +2.8 | ||||
| Patricio Pinto Muñoz | Cumbres | 5 | 9.96 | 4 q |
| Mauricio Gelfenstein Biehl | San Anselmo | 3 | 10.16 (10.1573) | 6 q |
| Santiago Vildosola Velasco | SSCC Manquehue | 4 | 10.34 | 10 |
| Vicente Julio Carrasco | Verbo Divino | 7 | 10.41 | 11 |
| Cristián Ruz Encina | Saint George's College | 6 | 10.75 | 17 |
| Cristián Leiva Delaveau | Tabancura | 8 | DNS | |
| Serie 4 V.V. +0.7 | ||||
| Máximo Swett Matte | Everest | 3 | 9.75 | 2 q |
| Ismael Rengifo Molina | Saint George's College | 4 | 10.10 | 5 q |
| Mauricio Buschmann Cambiasso | Cumbres | 6 | 10.16 (10.1577) | 7 q |
| Vicente Parada Muñoz | Cordillera | 5 | 10.42 | 12 |
| Clemente Toro Álvarez | Verbo Divino | 7 | 10.86 | 18 |
| Gerónimo Vigneaux Larraín | San Anselmo | 8 | DNS | |
