| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Juan José García Ovalle | Tabancura | 1 | 11.18 | 2 q |
| Salvador East Leon | SSCC Manquehue | 2 | 11.43 | 5 q |
| Jose Tomas Leon Lindh | SSCC Manquehue | 6 | 11.57 | 8 q |
| Sebastian Rencoret Escala | Saint George's College | 4 | 11.59 | 9 |
| Santiago Rodriguez Grass | Saint George's College | 3 | 11.64 | 10 |
| Alejandro Eyzaguirre Ugarte | Tabancura | 7 | 12.04 | 13 |
| Santiago Grohnert Morgan | San Benito | 5 | 12.14 | 14 |
| Serie 2 | ||||
| Juan Pablo Lyon Errázuriz | Tabancura | 8 | 11.03 | 1 q |
| Hernán Muñoz Silva | Tabancura | 4 | 11.26 | 3 q |
| Martin Montesinos Lopez De Santa María | Saint George's College | 1 | 11.28 | 4 q |
| Ignacio Chible Ugalde | Lycée Antoine de Saint-Exupéry | 6 | 11.51 | 6 q |
| Beltran Ayala Urrejola | Saint George's College | 7 | 11.52 | 7 q |
| Tomás Arenas Kutz | Tabancura | 2 | 11.69 | 11 |
| Pedro Garcia Huidobro Finlay | SSCC Manquehue | 5 | 11.89 | 12 |
| Diego Illanes Zamorano | SSCC Manquehue | 3 | 12.16 | 15 |
