| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Martin Montesinos Lopez De Santa María | Saint George's College | 8 | 11.82 | 1 q |
| Marco Vaccarezza Flanega | Saint George's College | 3 | 11.89 | 2 q |
| Santiago Cuvi Gazmuri | San Benito | 7 | 12.14 | 4 q |
| Francisco Izquierdo Dettwiler | San Benito | 5 | 13.05 | 9 |
| Simon Ramm Pino | SSCC Manquehue | 6 | 13.27 | 11 |
| Luis Enrique Bolet Coa | Marista - Diego Echeverría | 2 | DNS | |
| Maximo Rodriguez Guerra | Instituto Chacabuco | 4 | DNS | |
| Serie 2 | ||||
| Pedro Garcia Huidobro Finlay | SSCC Manquehue | 4 | 12.00 | 3 q |
| Sebastian Rencoret Escala | Saint George's College | 3 | 12.43 | 5 q |
| Raul Valenzuela Carroza | Instituto Chacabuco | 6 | 12.47 (12.4700) | 6 q |
| Sven Robert Jenschke Jordan | San Benito | 2 | 12.47 (12.4700) | 7 q |
| Diego Illanes Zamorano | SSCC Manquehue | 8 | 12.75 | 8 q |
| Gabriel Arriaza Basualdo | Instituto Chacabuco | 7 | 13.10 | 10 |
| Javier Alejandro Vilugron Alvarez | María Luisa Bombal | 5 | 14.08 | 12 |
