| Serie 1 |
| Jose Alfredo Hernandez Angulo | The Kingstown School | 3 | 11.70 | 19 |
| Vicente Donoso Mendez | Monte Tabor | 2 | 11.82 | 29 |
| Arturo Raby Carvajal | Huinganal | 7 | 11.85 | 30 |
| Pablo Vergara Gazitua | Padre Hurtado | 1 | 12.71 | 47 |
| Tomás Davis Catafau | San Benito | 4 | DNS | |
| Ignacio Campero Ansoleaga | Santiago College | 5 | DNS | |
| Francisco Larrain Jorquera | Tabancura | 6 | DNS | |
| Gaspar Aguilera Atria | The Angel's School | 8 | DNS | |
| Serie 2 |
| Juan Ibañez Larrain | Cordillera | 5 | 11.37 | 9 |
| Clemente Fernandez Hurtado | Huinganal | 1 | 11.63 (11.626) | 17 |
| Nicolas Oyanedel Hermosilla | SSCC Manquehue | 6 | 11.66 | 18 |
| Alonso Gonzalo Calderon Segura | The Kingstown School | 2 | 11.73 (11.7220) | 21 |
| Jose Tomás Jorquera Aspé | Monte Tabor | 4 | 11.79 | 26 |
| Abraham Aviles Prado | The Angel's School | 3 | 12.91 | 51 |
| Joaquín Ignacio Regifo Larrain | Alemán Chicureo | 7 | DNS | |
| Santiago Tomás Tessaro Poblete | Instituto Alonso de Ercilla | 8 | DNS | |
| Serie 3 |
| Pedro Garcia Huidobro Finlay | SSCC Manquehue | 7 | 11.18 | 3 q |
| Santiago Soto Liberona | Cordillera | 5 | 11.63 (11.621) | 16 |
| Woolf Berry Lessage Simeon | Escuela Atlética Ganbaru | 2 | 12.00 | 32 |
| Tomas Goldsack Salinas | Huinganal | 8 | 12.28 (12.276) | 37 |
| Sebastian Zuñiga Calderon | Internacional SEK | 4 | 12.30 | 39 |
| Lorenzo Sebastian Riquelme Kevesic | The Kingstown School | 1 | 12.59 | 45 |
| Renato Castillo Palma | Instituto Alonso de Ercilla | 3 | 12.90 | 50 |
| Sebastián Marcelo Acuña Álvarez | SSCC Alameda | 6 | 13.41 | 56 |
| Serie 4 |
| Joaquin Moraga Echeverria | Verbo Divino | 1 | 11.36 | 8 q |
| Tomas Osorio Llenas | Internacional SEK | 3 | 11.71 | 20 |
| Martin Guzman Larrain | Cordillera | 6 | 11.81 | 28 |
| Vicente Nuñez Angulo | SSCC Alameda | 2 | 13.11 | 55 |
| Francisco Faundes Quemada | Andrée English School | 4 | DNS | |
| Raimundo Buzeta Fernandez | Everest | 5 | DNS | |
| Alonso Ihann Peñalosa Poblete | Liceo A-119 Talagante | 7 | DNS | |
| Diego Illanes Zamorano | SSCC Manquehue | 8 | DNS | |
| Serie 5 |
| Benjamin Ignacio Tejos Florenzano | Everest | 1 | 11.31 (11.304) | 5 q |
| Pablo Mackenna Zegers | Verbo Divino | 3 | 11.32 | 7 q |
| Martín Villegas Vergara | San Francisco de Asís | 5 | 11.93 | 31 |
| Cristobal Ignacio Viveros Carrillo | Cambridge College | 7 | 12.11 | 33 |
| Leon Santander Perello | Mayor - Peñalolen | 8 | 12.24 | 35 |
| Ignacio Alfonso Leyton Osorio | Marista - Diego Echeverría | 4 | 12.98 | 52 |
| José Manuel Valdivia Maturana | San Ignacio El Bosque | 2 | DNS | |
| Gabriel Figueroa Azocar | SSCC Alameda | 6 | DNS | |
| Serie 6 |
| Jorge Ignacio Del Río Morales | San Anselmo | 7 | 10.93 | 1 q |
| Kanai Andres Godoy Bahamondez | Francisco de Miranda | 8 | 11.56 | 14 |
| Ignacio Nuñez Rivera | Verbo Divino | 3 | 11.80 | 27 |
| Alonso Coloma Hurtado | Mayor - Peñalolen | 4 | 12.21 | 34 |
| Pennac Luis Christe Demosca | Marista - Diego Echeverría | 5 | 13.85 | 57 |
| Jesus Alejandro Fuenmayor Urdaneta | Alberto Hurtado Cruchaga | 6 | 14.15 | 59 |
| Richard Von Appen Terre | Everest | 1 | DNS | |
| Martin Perez Urzua | San Ignacio El Bosque | 2 | DNS | |
| Serie 7 |
| Domingo Iglesis Lagarreta | San Anselmo | 2 | 11.10 | 2 q |
| Nicolás Muñoz Eichler | Saint George's College | 3 | 11.73 (11.7220) | 22 |
| Agustin Cilfone Ezquerra | The Newland School | 5 | 11.78 | 25 |
| Juan Jose Rodriguez Aravena | Scuola Italiana - Vittorio Montiglio | 1 | 12.38 | 41 |
| Julián Antonio Cancino Egger | Instituto O'Higgins de Rancagua | 4 | 12.99 | 53 |
| Joaquín Carrasco Olivares | San Ignacio El Bosque | 6 | DNS | |
| Vicente Perez Caerols | Instituto San Fernando | 7 | DNS | |
| Serie 8 |
| Angel Eduardo Guevara Balza | Instituto O'Higgins de Rancagua | 3 | 11.23 | 4 q |
| Sebastían Aravena Calderón | San Anselmo | 7 | 11.47 | 12 |
| Santiago Rodriguez Grass | Saint George's College | 6 | 11.74 | 23 |
| Max Robinson Beavers | Saint Gabriel's School | 5 | 12.72 | 48 |
| Maximiliano Salazar García | San Isidro | 1 | DNS | |
| Sebastián Miller Compagnoni | Scuola Italiana - Vittorio Montiglio | 2 | DNS | |
| Agustín Pelayo Gándara Otaegui | Las Condes | 4 | DNS | |
| Serie 9 |
| Herbison Jean Luis Jean Luis Buacr | Liceo Comercial Talagante | 4 | 11.43 | 10 |
| Simón Valenzuela Correa | Saint George's College | 2 | 11.45 | 11 |
| Martín González Arguinarena | San Isidro | 3 | 12.41 | 42 |
| Dante Saure Quinteros | Saint Gabriel's School | 6 | 12.50 | 43 |
| Santiago David Montilla Rodriguez | Las Condes | 1 | DNS | |
| Sebastian Araya Ramos | Lycée Antoine de Saint-Exupéry | 5 | DNS | |
| Santiago Emilio Figueroa Fernandez | Scuola Italiana - Vittorio Montiglio | 7 | DNS | |
| Serie 10 |
| Tomás Arenas Kutz | Tabancura | 1 | 11.31 (11.305) | 6 q |
| Benjamin Tabach Socias | Cumbres | 7 | 11.75 | 24 |
| Gabriel Van Klaveren Herrmann | Alemán de Santiago | 6 | 12.36 | 40 |
| Emilio Hernandez Cerna | Santiago College | 5 | 12.54 | 44 |
| Diego Ojeda Cano | Liceo Salesiano Camilo Ortúzar Montt | 3 | 12.66 | 46 |
| Diego Prohens Paredes | Las Condes | 4 | 12.88 | 49 |
| Andrés Salvatierra Freire | Lycée Antoine de Saint-Exupéry | 2 | 13.01 | 54 |
| Serie 11 |
| Amaury Estefano Francoise Berrocal Inostroza | Liceo Polivalente Santiago de Compostela | 6 | 11.50 | 13 |
| Nicolas Cruzat Soza | Tabancura | 4 | 11.62 | 15 |
| Domingo Rencoret Cabrera | Monte Tabor | 5 | 12.25 | 36 |
| Agustin Cifuentes Gardella | Padre Hurtado | 3 | 12.28 (12.277) | 38 |
| Agustin Icaran Squella | Alemán de Santiago | 7 | 13.92 | 58 |
| Aurelio Fernandez Baeza | Cumbres | 1 | DNS | |
| Martin Bravo Matsumoto | Santiago College | 2 | DNS | |
