| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Martín Hurtado Dagorret | SSCC Manquehue | 1 | 9.56 | 7 |
| Santiago Diaz Caballero | Saint George's College | 6 | 10.06 | 10 |
| Gaspar Montoya Movillo | María Luisa Bombal | 3 | 10.26 (10.2600) | 11 |
| Julián Maino Villarreal | SSCC Manquehue | 5 | 10.34 | 15 |
| Vicente Cuadrado Manhood | San Benito | 2 | 10.49 | 16 |
| Juan Domingo Sutil Covarrubias | Tabancura | 4 | DNS | |
| Serie 2 | ||||
| Matias Larrain Sanchez | Tabancura | 3 | 9.43 | 2 q |
| Vicente Cobo Rodríguez | SSCC Manquehue | 2 | 9.45 | 3 q |
| Raimundo Valenzuela Hertz | San Benito | 5 | 10.33 | 14 |
| Santiago Carcamo Rudloff | Saint George's College | 6 | 10.53 | 18 |
| Jeronimo Silva Labatut | Saint George's College | 4 | 10.63 | 19 |
| Serie 3 | ||||
| José Manuel Aguirre Montes | San Benito | 2 | 9.29 | 1 q |
| Jose Pedro Reyes Larraín | Tabancura | 4 | 9.53 | 4 q |
| Jose Bravo Ducci | Tabancura | 6 | 9.55 (9.5500) | 5 q |
| Nicolás Contardo Rioja | SSCC Manquehue | 5 | 9.81 | 8 |
| Beltran Perez Hevia | Saint George's College | 3 | 10.26 (10.2600) | 12 |
| Serie 4 | ||||
| Lucas Haeussler Winter | Tabancura | 6 | 9.55 (9.5500) | 6 q |
| Max Godoy Turull | SSCC Manquehue | 4 | 9.99 | 9 |
| León Mac-Auliffe Pavissich | San Benito | 2 | 10.27 | 13 |
| José Jaramillo Cox | San Benito | 5 | 10.52 | 17 |
| Lucas Lehuede Manzor | Saint George's College | 3 | 11.14 | 20 |
