| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Benjamín Gimeno Brochet | San Benito | 4 | 9.41 | 9 q |
| Vicente Fellay Marin | Monte Tabor | 2 | 9.42 | 10 q |
| Mario Gacitua Concha | Everest | 3 | 9.43 | 11 |
| Sebastian Ananias Aragon | Highlands | 5 | 9.93 | 16 |
| Benjamin Saitua Aleman | SSCC Manquehue | 1 | DNS | |
| Serie 2 | ||||
| León Rodríguez Edwards | San Benito | 2 | 9.09 | 6 q |
| Cristobal Magallanes Arce | SSCC Manquehue | 3 | 9.12 | 7 q |
| Maximiliano Ljubetic Simonetti | Everest | 5 | 9.13 | 8 q |
| Lucas Molinos Fernandez | Highlands | 1 | 9.69 | 14 |
| Ignacio Lemus Caniullan | Monte Tabor | 4 | 9.74 | 15 |
| Serie 3 | ||||
| Santiago Vildosola Velasco | SSCC Manquehue | 1 | 8.78 | 4 q |
| Santiago Infante Herrera | San Benito | 5 | 9.01 | 5 q |
| Diego Eguiguren Valenzuela | Everest | 3 | 9.52 | 12 |
| Agustín Mc Intosh Romero | Monte Tabor | 4 | 9.54 | 13 |
| Jose Tomas Depasier Deljon | Highlands | 2 | 10.32 | 17 |
| Serie 4 | ||||
| Máximo Swett Matte | Everest | 1 | 8.08 | 1 q |
| Pablo Jose Torres Maggi | Highlands | 2 | 8.42 | 2 q |
| Kai Jenschke Jordan | San Benito | 5 | 8.51 | 3 q |
| Tomás Zalaquett Irarrázaval | Monte Tabor | 3 | 10.42 | 18 |
| Nicolas Quevedo Finlay | SSCC Manquehue | 4 | DNS | |
