| Serie 1 |
| Sebastian Lopez Capote | Saint George's College | 9.46 | 1 q |
| Roman Preece Livingstone | Saint George's College | 9.99 | 2 q |
| Martín Encina Concha | Verbo Divino | 10.00 | 3 q |
| Vicente Leisewitz Muñoz | Cumbres | 10.22 | 4 q |
| Andrés Fernández Valdés | San Benito | | |
| Facundo Villela Rodríguez | The English Institute | | |
| Benjamin Andres Herrera Cabrejos | Institución Teresiana | | |
| Serie 2 |
| Jose Tomas Quiroga Cortes | Tabancura | 10.32 | 1 q |
| José Pedro Widoycovic Herrera | Everest | 10.91 | 2 |
| Franz Von Leyser Enríquez | Alemán de Santiago | 11.11 | 3 |
| Jose Pedreo Cordeu Lobos | Padre Hurtado y Juanita de los Andes | 11.86 | 4 |
| Rodrigo Fernández Dominguez | Maitenes | 12.61 | 5 |
| Antonio Tizza Tagle | Maitenes | 13.87 | 6 |
| Clemente Cabrera Dufey | Everest | | |
| Serie 3 |
| Lucas Palacios Nazif | SSCC Manquehue | 9.64 | 1 q |
| Pablo Lira Illanes | Tabancura | 10.51 | 2 q |
| Benjamin Vicente Vielva Tellechea | Verbo Divino | 10.72 | 3 q |
| Sebastian Germain Campusano | San Anselmo | 10.84 | 4 |
| Lucas Tornero Bravo | San Ignacio El Bosque | 12.94 | 5 |
| Lucas Wallis Castro | Padre Hurtado y Juanita de los Andes | | |
| Pedro Cañas Ossa | San Ignacio El Bosque | | |
| Serie 4 |
| Pablo Sirhan Calderon | SSCC Manquehue | 10.82 | 1 |
| Joaquin Ignacio Gonzalez Zamora | Institución Teresiana | 12.39 | 2 |
| Benjamín Gimeno Brochet | San Benito | | |
| Nicolai Stambuk Guzman | San Anselmo | | |
| Benjamín Eduardo Cerda Macías | The English Institute | | |
| Francisco Monsó Ovalle | San Francisco Javier de Huechuraba | | |
| Balthazar Salvador Lama Kaiser | Alemán de Santiago | | |
