| Serie 1 |
| MatÃas Schaub Riveaux | Alemán de Santiago | 4 | 11.01 | 1 q |
| German Maldonado Rottmann | Trebulco School | 5 | 11.53 | 7 q |
| MatÃas BenjamÃn Garetto Tapia | Verbo Divino | 3 | 11.62 | 10 |
| Domingo Ruiz Tala | Sankt Thomas Morus | 6 | 11.86 | 16 |
| Gerardo GarcÃa Rivera | Everest | 7 | 12.31 | 28 |
| Benjamin Lynch Palacios | Saint Gabriel's School | 2 | 12.53 | 31 |
| Nicolas Agustin Cruz Pinto | The Newland School | 1 | | |
| Manuel Espinoza Quintero | Cumbres | 8 | | |
| Serie 2 |
| AgustÃn Soto Lafoy Meza | San Anselmo | 3 | 11.65 | 12 |
| Ignacio Valdés Donoso | Everest | 5 | 11.73 | 15 |
| Maximiliano Mariné Durandeau | Cumbres | 6 | 11.95 | 19 |
| Martin Andres Andrighetti Marquez | The Newland School | 1 | 12.48 | 30 |
| Marcelo Antonio Nuñez Poblete | Andrée English School | 8 | 12.61 | 33 |
| Juan Ignacio Barros Rosemary | Cordillera | 2 | | |
| Benjamin Sepulveda Tighe | Padre Hurtado | 4 | | |
| Miller Miller Kiessling | Sankt Thomas Morus | 7 | | |
| Serie 3 |
| Juan Luis Eguiguren Zalaquett | Tabancura | 4 | 11.41 | 5 q |
| Ignacio Agramunt Mendoza | Verbo Divino | 2 | 11.97 | 21 |
| Matias Hopfemblatt Martinez | Saint Gabriel's School | 1 | 12.15 | 23 |
| Daniel Vazquez Salazar | Carampangue | 6 | 12.53 | 32 |
| Joaquin Ignacio Herrera Cabrejos | Institución Teresiana | 3 | | |
| Antonio Cerda Brown | Cordillera | 5 | | |
| Pablo Landerretche Bustamante | Saint George's College | 7 | | |
| Sebastian Fernandez Thiers | Saint Gabriel's School | 8 | | |
| Serie 4 |
| Domingo Polette Barreau | San Anselmo | 4 | 11.06 | 2 q |
| BenjamÃn Antonio Guzman Caroca | Polivalente Don Orione | 3 | 11.71 | 14 |
| Santiago Vial Ruiz Tagle | Tabancura | 6 | 11.93 | 17 |
| BenjamÃn Ignacio Carrasco Salinas | Andrée English School | 5 | 12.32 | 29 |
| Ignacio Celis Aranzaez | SSCC Manquehue | 2 | | |
| Sebastián Gómez Valdés | Trebulco School | 7 | | |
| Jean Michel Caussade Margozzini | The Newland School | 8 | | |
| Serie 5 |
| Lucas Brahm Escalona | San Anselmo | 4 | 11.28 | 4 q |
| Franco Solari Forte | SSCC Manquehue | 5 | 11.64 | 11 |
| Andres Zaldivar Munita | San José de Chicureo | 2 | 11.96 | 20 |
| Sebastian Varela Barros | Cordillera | 8 | 12.23 | 26 |
| Pablo Correa Alvarez | Lincoln IA Chicureo | 7 | 12.61 | 34 |
| Juan Pablo Costa Aguirre | Saint George's College | 6 | 12.65 | 35 |
| MartÃn Montes Urrutia | Cumbres | 3 | | |
| Serie 6 |
| Pedro Pablo Ovalle Ballacey | Padre Hurtado | 4 | 11.48 | 6 q |
| Sebastian Celis Delard | Verbo Divino | 5 | 11.58 | 9 |
| Renato Sanhueza Pino | Instituto Inglés de Rancagua | 2 | 12.05 | 22 |
| Matteo Mingant Saavedra | Lycée Antoine de Saint-Exupéry | 7 | 12.16 | 24 |
| Raimundo Ovalle Ballacey | Padre Hurtado | 6 | 12.17 | 25 |
| Rafael Sebastian Campos Astudillo | Boston College | 8 | 12.25 | 27 |
| Jaime Tagle Dufeu | San Benito | 3 | | |
| Serie 7 |
| Domingo Lazo Weiss | Carampangue | 4 | 11.25 | 3 q |
| Jose Agustin Irarrazaval Mainguyague | Tabancura | 8 | 11.55 | 8 q |
| Vicente Javier Pradenas Cea | Los Agustinos - Talca | 7 | 11.66 | 13 |
| Santiago Castillo Montenegro | Everest | 6 | 11.93 | 18 |
| Ignacio Soto López | Nazaret de la Florida | 2 | | |
| Nicolas SantamarÃa Betti | Saint George's College | 3 | | |
| Matias Baeza Vial | SSCC Manquehue | 5 | | |
