| Serie 1 |
| Camilo Cirigliano Castro | Verbo Divino | 7 | 7.87 | 1 q |
| Juan Pablo Ugarte Bustamante | Tabancura | 1 | 8.05 | 2 q |
| Raimundo Larach Del Solar | Everest | 8 | 8.71 | 8 q |
| Juan Pedro Lagos Larroulet | San Ignacio El Bosque | 4 | 8.77 | 10 |
| Mateo Ignacio Acuña Schiefelbein | Saint George's College | 2 | 9.02 | 14 |
| Ignacio Araya Fuentes | Padre Hurtado y Juanita de los Andes | 3 | 9.12 | 15 |
| Raimundo Calderon González | SSCC Manquehue | 5 | 9.16 | 16 |
| Domingo Hurtado Montes | Cordillera | 6 | DNS | |
| Serie 2 |
| Lucas Davidson Landon | SSCC Manquehue | 7 | 8.62 | 5 q |
| Sergio Aviles Ruiz-Tagle | Verbo Divino | 6 | 8.63 | 6 q |
| Maximiliano Peró Ureta | Tabancura | 4 | 8.75 | 9 |
| Mateo Calleja Prats | Everest | 2 | 9.16 | 17 |
| Lucas Donoso Soto | Saint George's College | 3 | 9.35 | 18 |
| Benjamin Jarpa Leon | Cordillera | 1 | 9.72 | 20 |
| Gaston Araya Cox | San Ignacio El Bosque | 5 | DNS | |
| Agustin Marió Celedón | Padre Hurtado y Juanita de los Andes | 8 | DNS | |
| Serie 3 |
| José Frias Richard | San Ignacio El Bosque | 3 | 8.36 | 3 q |
| Nicolas Hurtado Rivadeneira | Tabancura | 7 | 8.47 | 4 q |
| Anibal Errazuriz Morelli | Verbo Divino | 5 | 8.67 | 7 q |
| Diego Simón Olivares Labarca | Saint George's College | 4 | 8.77 | 11 |
| Mateo De Giorgis Poblete | Padre Hurtado y Juanita de los Andes | 8 | 8.92 | 12 |
| Tomás Philippi Reyes | Everest | 1 | 8.95 | 13 |
| Juan Ignacio Tapia Infante | Cordillera | 2 | 9.54 | 19 |
| Matias De Castro Donoso | SSCC Manquehue | 6 | DNS | |
