| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Ramón Fuenzalida Correa | Verbo Divino | 6 | 10.01 | 1 q |
| Diego Iacobelli Ovalle | Tabancura | 2 | 10.22 | 2 q |
| Benjamin Moya Simming | Everest | 4 | 10.53 | 3 q |
| Felipe Correa Aspillaga | Cordillera | 7 | 11.22 | 9 |
| Vicente Zuñiga Ortiz | San Anselmo | 8 | 11.26 | 10 |
| Pedro Claro Irarrazaval | Cumbres | 5 | 11.32 | 12 |
| Manuel Lozano Merino | Saint George's College | 3 | 11.37 | 13 |
| Salvador Izquierdo Piriz | SSCC Manquehue | 1 | 18.85 | 21 |
| Serie 2 | ||||
| Max Moraga Echeverría | Verbo Divino | 5 | 10.81 | 5 q |
| Sebastian Huber Garcia | Everest | 6 | 10.97 | 7 q |
| Raimundo Vicari Torres | Saint George's College | 7 | 11.28 | 11 |
| Tomás Joannon Álamos | Tabancura | 1 | 11.62 | 15 |
| Antonio Blanco Ortega | Cumbres | 2 | 11.81 | 17 |
| Diego Quezada Aguila | San Anselmo | 8 | 12.01 | 18 |
| Santiago Garcia Palacios | Instituto Inglés de Rancagua | 4 | 12.79 | 20 |
| Felipe Malfanti Leiva | SSCC Manquehue | 3 | ||
| Serie 3 | ||||
| Agustín Varas Salinas | Tabancura | 7 | 10.71 | 4 q |
| Sebastian Benjamin Nuñez Trepiana | San Anselmo | 2 | 10.81 | 6 q |
| Domingo Matte Subercaseaux | Cordillera | 3 | 11.21 | 8 q |
| Manuel Cabezón Bascuñán | Verbo Divino | 6 | 11.43 | 14 |
| Maximiliano Barrera Werner | Cumbres | 8 | 11.64 | 16 |
| Santiago Gutierrez Mege | Instituto Inglés de Rancagua | 5 | 12.25 | 19 |
| Alberto García Ravera | Everest | 4 | ||
