| Serie 1 |
| Ignacio Alonso Piñeiro Peñaranda | Las Condes | 2 | 12.79 | 53 |
| Nicolás Luna Castillo | Centro Educacional Aquelarre | 4 | 12.97 | 61 |
| Ignacio Alejandro Cisternas Orellana | Marista - Diego Echeverría | 3 | 12.99 | 63 |
| Matheus Ribeiro Do Valle Moura | Saint Gabriel's School | 7 | 13.38 | 70 |
| Vicente Burgos Domínguez | Trebulco School | 6 | 13.67 | 74 |
| Sebastian Marambio Vásquez | Domingo Matte Mesías | 1 | 14.05 | 78 |
| Agustín Andres Mansuy Legarraga | Lycée Antoine de Saint-Exupéry | 5 | 14.69 | 80 |
| Santiago Tomás Tessaro Poblete | Instituto Alonso de Ercilla | 8 | DNS | |
| Serie 2 |
| Benjamín Cid Arriagada | San Alfonso de El Boldo | 8 | 11.66 | 11 |
| Cristobal Rojas Oyarce | Deportivo Luis Cruz Martínez | 3 | 11.92 | 21 |
| Tomás Javier Rivera Céspedes | Instituto La Salle | 1 | 12.13 | 30 |
| Adolf Sebastian Wilmer Vasquez | Marista - Diego Echeverría | 5 | 13.57 (13.5700) | 71 |
| Dante Saure Quinteros | Saint Gabriel's School | 6 | 13.57 (13.5700) | 72 |
| Andrés Salvatierra Freire | Lycée Antoine de Saint-Exupéry | 2 | 13.83 (13.8300) | 76 |
| Juan Ignacio Colil González | Maitenes | 4 | DNS | |
| Benjamín Calderón Villalobos | The Greenland School | 7 | DNF | |
| Serie 3 |
| Matias Ignacio Armengolli Cordero | Alborada - Linares | 2 | 12.21 | 33 |
| Diego Muñoz Villarroel | Deportivo Luis Cruz Martínez | 4 | 12.29 | 36 |
| Jua Martin Motola Vazquez | Scuola Italiana - Vittorio Montiglio | 5 | 12.74 (12.7400) | 51 |
| Felipe Cristián Chulak Medina | The International School La Serena | 8 | 12.87 | 58 |
| Martin Alejandro Riveros Martinez | Liceo Salesiano Camilo Ortúzar Montt | 3 | 13.08 | 65 |
| Ignacio Oyarzun Gonzalez | The Greenland School | 1 | DNS | |
| Santiago Bernardo Colil González | Maitenes | 6 | DNS | |
| Tomas Humberto Espinoza Torrealba | Academia de Humanidades | 7 | DNS | |
| Serie 4 |
| Franco Antonio Stefoni Alcayaga | Andrée English School | 2 | 11.08 | 2 q |
| Alonso Tomás León Rojas | Academia de Humanidades | 3 | 12.03 (12.0300) | 25 |
| Delyum Anthuan Reizon De La Rosa Neira | Deportivo Luis Cruz Martínez | 5 | 12.45 | 44 |
| Vicente Agustin Zapata Del Pielago | Verbo Divino - Chicureo | 4 | 12.62 | 49 |
| Franco Alejandro Basaez Guerra | The Greenland School | 1 | 12.74 (12.7400) | 52 |
| Vicente Contreras Villalobos | Escuela Atlética Ganbaru | 6 | 12.84 (12.8400) | 55 |
| Benjamín Andrés Aros Muñoz | Scuola Italiana - Vittorio Montiglio | 7 | 13.61 | 73 |
| Benjamín Ignacio Fuentes Fabia | Maitenes | 8 | DNS | |
| Serie 5 |
| Mateo Fernández Oneto | Cumbres | 6 | 11.04 | 1 q |
| Cristobal Godoy Villanueva | Manuel Larrain - Curicó | 5 | 11.38 | 7 q |
| Humberto Peña Douglas | The Mayflower School | 2 | 12.06 | 28 |
| Martín González Arguinarena | San Isidro | 3 | 12.59 | 48 |
| Santiago Emilio Figueroa Fernandes | Scuola Italiana - Vittorio Montiglio | 7 | 13.35 (13.3500) | 68 |
| Max Zuñiga Soto | The Grange School | 8 | 13.83 (13.8300) | 77 |
| Tomás Davis Catafau | San Benito | 1 | DNS | |
| José Tomás Moreno Esveile | Instituto Inglés de Rancagua | 4 | DNS | |
| Serie 6 |
| Julian Alberto Ávila Campos | Salesianos Linares | 8 | 11.26 | 4 q |
| Diego Arroyo Cisternas | Alborada del Mar | 7 | 11.49 | 8 q |
| Jose Ferrer Aguirre | Huinganal | 6 | 11.91 | 20 |
| Antonio Irarrazabal Amenabar | Monte Tabor | 1 | DNS | |
| Maximiliano Matta Schilling | Saint George's College | 2 | DNS | |
| Sebastian Hojman Nieri | The Mayflower School | 3 | DNS | |
| Cristóbal Hempel Rojas | San Benito | 4 | DNS | |
| Domingo Vinagre Garcia Huidobro | Cumbres | 5 | DNS | |
| Serie 7 |
| Santiago Rodriguez Grass | Saint George's College | 3 | 11.72 | 12 |
| Benjamin Mendoza Burgos | Alborada del Mar | 7 | 11.96 | 23 |
| Manuel Tuset Cuevas | Cordillera | 4 | 12.49 | 45 |
| Tomás Pfeffer Tocornal | Cumbres | 2 | 12.71 | 50 |
| Daniel Lepeley Rubio | The Mayflower School | 6 | 13.04 | 64 |
| Domingo Sierralta Peréz | Monte Tabor | 5 | 13.15 | 67 |
| Emilio Alonso Carrillo Manriquez | Montessori de Talca | 1 | DNS | |
| Tomas Goldsack Salinas | Huinganal | 8 | DNS | |
| Serie 8 |
| Mateo Andrés Robles Yañes | San Viator - Ovalle | 6 | 11.84 | 18 |
| Santiago Soto Liberona | Cordillera | 5 | 12.04 | 27 |
| Joaquín Ignacio Solis Alvarez | San Viator - Macúl | 1 | 12.51 | 46 |
| Gabriel Van Klaveren Herrmann | Alemán de Santiago | 7 | 12.84 (12.8400) | 56 |
| Diego Muñoz Araneda | Huinganal | 8 | 12.96 | 60 |
| Crescente Canales Barriga | Monte Tabor | 2 | DNS | |
| Ramón Andrés Galaz Cubillos | The Newland School | 3 | DNS | |
| Alonso Guzman Tondreau | Saint George's College | 4 | DNS | |
| Serie 9 |
| Vicente Andrés Lara Yanine | Alemán de Chillán | 2 | 11.31 | 5 q |
| Agustin Cilfone Ezquerra | The Newland School | 3 | 11.81 | 16 |
| Pedro Benjamín Meneses Wiegand | San Agustín - Ñuñoa | 6 | 11.95 | 22 |
| Martin Molina Reyes | El Bosque - Puente Alto | 8 | 12.23 | 34 |
| Lucas Onetto Hernández | Everest | 1 | 13.35 (13.3500) | 69 |
| Agustin Icaran Squella | Alemán de Santiago | 5 | 14.50 | 79 |
| Tomas Romero Rodriguez | Cordillera | 4 | DNS | |
| Ignacio Nuñez Rivera | Verbo Divino | 7 | DNS | |
| Serie 10 |
| Juan José García Ovalle | Tabancura | 1 | 11.18 | 3 q |
| Silouane Dármand De Chateavieux | San Francisco de Asís | 3 | 11.75 (11.7500) | 14 |
| Joaquín Carrasco Olivares | San Ignacio El Bosque | 6 | 12.03 (12.0300) | 26 |
| Emilio Detmer Coimbra | Everest | 7 | 12.08 | 29 |
| Sebastian De Jesús Romero Rangel | Liceo Gregorio Cordovez | 8 | 12.35 (12.3500) | 40 |
| Sebastian Alegandro Castañeda Hernanez | Escuela Porongo | 5 | 12.38 | 43 |
| Anibal Fuenzalida Correa | Verbo Divino | 2 | DNS | |
| Agustin Vidal Palma | Instituto Hebreo | 4 | DNS | |
| Serie 11 |
| Guido Brufau Pierini | Everest | 1 | 11.36 | 6 q |
| Tomás Arenas Kutz | Tabancura | 3 | 11.75 (11.7500) | 15 |
| Santiago Bañados Schall | San Ignacio El Bosque | 7 | 11.82 | 17 |
| Juan Antonio Belmar Yañez | Escuela Porongo | 2 | 12.17 | 31 |
| Nicolas Morgan Dominguez | Verbo Divino | 8 | 12.30 | 37 |
| Franco Badani Larrondo | Instituto Chacabuco | 6 | 12.33 (12.3300) | 38 |
| Javier Guillermo Marin Valenzuela | Colegio José Agustín Alfonso | 4 | 13.12 | 66 |
| Gal Medel Winner | Instituto Hebreo | 5 | DNS | |
| Serie 12 |
| Patrick Devilat Necochea | Santa Cruz - Chicureo | 5 | 11.73 | 13 |
| Vicente Patuelli Santelices | Padre Hurtado | 7 | 11.90 | 19 |
| Francisco Larrain Jorquera | Tabancura | 6 | 11.99 | 24 |
| Diego Gajardo Durand | San Ignacio El Bosque | 8 | 12.33 (12.3300) | 39 |
| Martin Pizarro Murphi | Instituto Chacabuco | 2 | 12.82 | 54 |
| Francisco Alonso Maturana Canales | Instituto O'Higgins de Rancagua | 3 | 12.98 | 62 |
| Diego Daniel Utreras Garcia | Escuela Porongo | 1 | DQ | |
| Pedro Karmelic Vega | Internacional SEK | 4 | DNS | |
| Serie 13 |
| Domingo Iglesis Lagarreta | San Anselmo | 2 | 11.51 | 9 |
| Vicente García Loyola | Trebulco School | 1 | 12.20 | 32 |
| Francisco Silva Fernandez | Padre Hurtado | 6 | 12.25 | 35 |
| Vicente Andrés Bobadilla Cáceres | Instituto O'Higgins de Rancagua | 4 | 12.35 (12.3500) | 41 |
| Matias Rivero Chamorro | Internacional SEK | 5 | 12.37 | 42 |
| Diego Contreras Elgueta | Pumahue | 8 | 12.90 | 59 |
| Sebastian Rafael Quezada Briceño | Instituto Alonso de Ercilla | 3 | DNS | |
| Lucas Ignacio Donaire Foster | La Misión de Calera de Tango | 7 | DNS | |
| Serie 14 |
| Jose Tomas Ramirez Gaudlitz | San Anselmo | 1 | 11.59 | 10 |
| Javier Alejandro Gonzalez Cubillo | Centro Educacional Aquelarre | 6 | 12.56 | 47 |
| Tomás Felipe Roca Artaza | Instituto O'Higgins de Rancagua | 2 | 12.86 | 57 |
| Lucas José Kerssemakers Regulez | Padre Hurtado | 8 | 13.73 | 75 |
| Ignacio Francisco Reyes Brito | Internacional SEK | 3 | DNS | |
| Fernando Nicolás Ormeño Rubilar | Instituto Alonso de Ercilla | 4 | DNS | |
| Agustin Neumann Castro | Trebulco School | 5 | DNS | |
| Facundo Vidal Garcia | Pumahue | 7 | DNS | |
