| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Final | ||||
| Pedro Irarrazaval Valdes | Tabancura | 4 | 12.32 | 1 |
| Sebastian Ignacio Sotomayor Mestre | San Anselmo | 5 | 12.48 | 2 |
| Matías Valdivia De Baeremaecker | San Isidro | 6 | 12.59 | 3 |
| Lucas Palacios Undurraga | San Anselmo | 2 | 12.65 | 4 |
| Cristóbal Pedro Bernales Magnere | Verbo Divino | 7 | 12.67 | 5 |
| Cristobal Ignacio Chacon Galaz | Instituto Alonso de Ercilla | 8 | 12.68 | 6 |
| Sebastian Lopez Capote | Saint George's College | 3 | 12.93 | 7 |
| Matías González Romero | Alemán de Santiago | 1 | DNS | |
