| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Alonso Guzman Tondreau | Saint George's College | 2 | 10.45 | q |
| Diego Muñoz Silva | Tabancura | 6 | 10.58 | q |
| Emiliano Preece Livingstone | Saint George's College | 4 | 10.76 | q |
| Melchor Gregorio Silva-Paredes Antúnez | San Ignacio El Bosque | 3 | 11.35 | q |
| Lucas Moreno Tagle | Verbo Divino | 5 | 11.43 | |
| Juan José Herceg Lacalle | Saint George's College | 7 | 11.82 | (F.C.) |
| Manuel Guzman Garcia De La Huerta | Verbo Divino | 1 | 12.11 | |
| Serie 2 | ||||
| José Larraín García-Huidobro | Tabancura | 2 | 10.62 | q |
| Santiago Barberis Aliaga | Saint George's College | 6 | 11.36 | q |
| Pablo Mackenna Zegers | Verbo Divino | 4 | 11.38 | q |
| Cristobal Undurraga Fuenzalida | Tabancura | 5 | 11.39 | q |
| Luciano Marzolo Bailey | Saint George's College | 1 | 12.22 | (F.C.) |
| Pedro Tornero Bravo | San Ignacio El Bosque | 3 | ||
| Emiliano Preece Livingstone | Saint George's College | 7 | (F.C.) | |
