| Serie 1 |
| Camilo Cirigliano Castro | Verbo Divino | 5 | 9.29 | 1 q |
| Emilio Retamal Guajardo | Trebulco School | 3 | 9.40 | 2 q |
| Nicolas Hurtado Rivadeneira | Tabancura | 1 | 9.78 | 5 q |
| Gabriel Alonso Caviedes Vargas | Coya | 4 | 10.14 | 11 |
| Alonso Ravanal Villalobos | Colegio Los Alpes de Maipú | 2 | 10.21 | 17 |
| Alonso Torres Moreno | La Misión de Calera de Tango | 6 | 10.23 | 19 |
| Nicolás Benjamín Cuevas Hidalgo | San Pedro Nolasco - Vitacura | 8 | 10.32 (10.3200) | 22 |
| Alialhadi Mohamad Naboulsi Halawi | The Greenland School | 7 | 10.60 | 29 |
| Serie 2 |
| Matteo Gorziglia Aguilar | Alianza Francesa de Chamisero | 1 | 10.76 | 34 |
| Fernando Moran Montecinos | The Greenland School | 7 | 10.86 (10.8600) | 37 |
| Emmanuel Rodas Alvarez | Escuela Palestina - Curicó | 8 | 10.86 (10.8600) | 38 |
| Hezio Kanda Salas | Saint Gabriel's School | 5 | 10.88 | 40 |
| Ricardo Agustín Yanine Hidalgo | Alemán de Chillán | 2 | 10.94 | 41 |
| Esteban Rojas Sánchez | Curimón - San Felipe | 4 | 11.16 | 47 |
| Lucas André Fuentes Cisterna | Hispano Chileno El Pilar - Curicó | 3 | 11.62 | 48 |
| Pedro Arellano Vila-Echague | La Misión de Calera de Tango | 6 | DNS | |
| Serie 3 |
| Santiago Anabalón Ortega | Saint Gabriel's School | 5 | 10.18 | |
| Sebastian Ormeño Gonzalez | Alianza Francesa de Chamisero | 7 | 10.66 (10.6600) | |
| Vicente Acosta Cifuentes | Alemán de Santiago | 1 | 11.00 | |
| Gabriel Careaga Modinger | De La Salle | 4 | 11.11 | |
| Matías Ignacio Mena Olmos | Alborada de Curauma | 2 | DNS | |
| Simon Agustin Gonzalez Albornoz | Manuel Larrain - Curicó | 3 | DNS | |
| Vicente Zacharias A | The Grange School | 6 | DNS | |
| Fabián Naranjo Colina | Nuestra Señora del Rosario | 8 | DNS | |
| Serie 4 |
| Juan Pablo Morales Corradini | De La Salle | 2 | 9.45 | 3 q |
| Matias Vicente Areyuna Tejeda | Corazón de María - Antofagasta | 4 | 9.81 | 6 q |
| Sebastián Alonso Romero López | Alborada de Curauma | 7 | 10.32 (10.3200) | 23 |
| Arhon Guillermo Torres Rojas | Marista - Nuestra Señora de Andacollo | 5 | 10.96 | 42 |
| Rodrigo Andres Vergara Montiglio | Scuola Italiana - Vittorio Montiglio | 1 | 11.09 | 45 |
| Clemente Moraga Dell'orto | Nuestra Señora del Rosario | 3 | DNS | |
| Agustin Schröter De Solminihac | Alemán de Santiago | 6 | DNS | |
| Serie 5 |
| Diego Zañartu Pinto | Monte Tabor | 7 | 10.22 | 18 |
| Jua Martin Motola Vazquez | Scuola Italiana - Vittorio Montiglio | 6 | 10.30 | 21 |
| Eduardo Errazuriz Garrido | Padre Hurtado | 1 | 10.57 | 27 |
| Mateo Green Soto | Saint John's Villa Academy | 5 | 10.73 | 33 |
| Bruno Herrada Duran | Greenfield School | 2 | 10.82 | 35 |
| Pedro Eckell Di Mantova | The Southern Cross School | 3 | 10.85 | 36 |
| Javier Caril Zepeda Ossandon | Marista - Nuestra Señora de Andacollo | 4 | 12.68 | 51 |
| Serie 6 |
| Sebastián Ruiz Tagle Berguecio | Monte Tabor | 7 | 10.11 | 10 |
| Nicolás Escudero Collazos | Alemán Chicureo | 4 | 10.16 (10.1600) | 12 |
| Ignacio Araya Fuentes | Padre Hurtado | 6 | 10.16 (10.1600) | 13 |
| Sebastián Rocha Alcalde | Saint John's Villa Academy | 3 | 10.17 | 14 |
| Leon Pino Olavarria | Nuestra Señora del Camino | 2 | 10.42 | 25 |
| Pablo Laso Donoso | San Ignacio El Bosque | 1 | 10.55 | 26 |
| Jonnel Jose Mattey Arguello | Liceo Bicentenario Politécnico San Joaquín | 5 | 10.62 | 30 |
| Serie 7 |
| Moises Fuenmayor Lopez | Escuela Atlética Ganbaru | 1 | 9.88 | 7 q |
| Mateo Arellano Soto | San Francisco Javier de Huechuraba | 5 | 10.36 | 24 |
| Gaspar Prenafeta Fernández | Alemán Chicureo | 6 | 10.58 | 28 |
| Gabriel Antonio Estefanía Gonzalez | Verbo Divino - Chicureo | 4 | 10.66 (10.6600) | 32 |
| Joaquín Ibañez Tagle | Everest | 3 | 11.07 | 44 |
| Alonso Benjamin Morales Parada | Alberto Pérez | 7 | 11.98 | 50 |
| Cristobal Peña Silva | Santo Tomás El Bosque | 2 | DNS | |
| Serie 8 |
| Juan Pablo Ugarte Bustamante | Tabancura | 7 | 9.70 | 4 q |
| Felipe Novoa Gillet | Verbo Divino | 4 | 9.91 | 8 q |
| Lucas Pedemonte Derderian | Trebulco School | 1 | 9.98 | 9 |
| Gustavo Vicente Estefania González | Verbo Divino - Chicureo | 2 | 10.18 | 16 |
| Santiago Pinto Azócar | San Francisco Javier de Huechuraba | 6 | 10.27 | 20 |
| Benjamín Ignacio Miquel Terán | San Pedro Nolasco - Vitacura | 5 | 10.86 (10.8600) | 39 |
| Mateo Jeremias Guzman Palma | Marista - Diego Echeverría | 3 | 11.80 | 49 |
| Serie 9 |
| Juan Pablo Pinochet Zamora | Instituto San Martín - Curicó | 1 | DNS | |
| Bruno Diaz Rivano | Escuela Atlética Ganbaru | 3 | DNS | |
| Beltran Garcia De La Huerta Ariztia | Everest | 4 | DNS | |
| Aldo Quintanilla Donaire | Santo Tomás El Bosque | 5 | DNS | |
| Angel Alegria Gonzalez | Liceo A-119 Talagante | 7 | DNS | |
