| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 V.V. +1.3 | ||||
| Diego Sepulveda Marquez | San Ignacio El Bosque | 1 | 12.01 | 1 q |
| Vicente Velasco Fernándes | Monte Tabor | 6 | 12.03 | 2 q |
| Tomas Concha Cardenas | San Francisco Javier de Huechuraba | 3 | 12.23 | 3 q |
| Juan Pablo Piretta Pozzolo | San Benito | 2 | 12.24 | 4 q |
| Jorge Ruiz-tagle Edwards | Cordillera | 4 | DNS | |
| Lucas Palacios Undurraga | San Anselmo | 5 | DNS | |
| Serie 2 V.V. +2.2 | ||||
| Agustin Valdes Zegers | Tabancura | 2 | 11.51 | 1 q |
| Fermin Valenzuela Leppe | Tabancura | 6 | 12.05 | 2 q |
| Iñigo Correa Samaniego | San Anselmo | 3 | 12.35 | 3 |
| Santiago Yunge Valdes | Monte Tabor | 5 | 12.97 | 4 |
| MatÃas González Romero | Alemán de Santiago | 1 | DNS | |
| Juan Pablo Baeza Calvo | Tabancura | 4 | DNS | |
| Serie 3 | ||||
| Pedro Krebs Saez | San Ignacio El Bosque | 3 | 11.98 | 1 q |
| Diego José Guzman Undurraga | Everest | 2 | 12.01 | 2 q |
| Agustin Infante Melloni | San Ignacio El Bosque | 5 | 12.29 | 3 |
| Sebastian Ignacio Cruz Ulloa | The English Institute | 6 | 12.57 | 4 |
| Cristóbal Cruz A | San Anselmo | 1 | (F.C.) | |
| Noah Jacobsen A | Alemán de Santiago | 4 | ||
| Serie 4 V.V. +3.1 | ||||
| Andres Refusta Fuentes | Lincoln IA Chicureo | 6 | 11.47 | 1 q |
| Vicente GarcÃa Medina | Everest | 2 | 11.63 | 2 q |
| Nicolás Guzmán Saric | The English Institute | 3 | 12.37 | 3 |
| Cristóbal Prieto Correa | San Benito | 4 | 12.68 | 4 |
| Santiago Hurtado Cetty | Cordillera | 5 | ||
| Serie 5 V.V. +1.2 | ||||
| José Alonso Lecaros | Everest | 3 | 12.19 | 1 q |
| Raimundo Astaburuaga Cruz | Monte Tabor | 4 | 12.23 | 2 q |
| MartÃn Chavez Osses | San Anselmo | 5 | 12.40 | 3 |
| Sebastián MartÃnez Rivero | Alemán de Santiago | 2 | DNS | |
| Rafael Irarrázaval LarraÃn | Cordillera | 6 | DNS | |
