| Serie 1 |
| Juan Andres Concha Pinto | San Ignacio El Bosque | 4 | 12.25 | 1 q |
| Vicente Javier Sepúlveda Lastra | Liceo Bicentenario Polivalente San Nicolás | 5 | 12.89 | 17 |
| Enrique Munita Melendez | San José de Chicureo | 8 | 12.93 | 18 |
| Xing Jie Lucas Lu Flores | Mayor - Peñalolen | 6 | 13.08 | 21 |
| Marcelo Antonio Vera Montti | Concepción de Chillán | 7 | 14.61 | 34 |
| Matias Ignacio Jeldres Soto | Hispano Americano Río Viejo | 2 | DNS | |
| Maximo Leonardo Valdés Garrido | Liceo Bicentenario Oriente Talca | 3 | DNS | |
| Serie 2 |
| Nicolas Iriarte Tagle | Padre Hurtado | 4 | 12.32 | 3 q |
| Ka-Ming Chen Li | Seminario Padre Hurtado de Chillán | 5 | 12.65 | 10 |
| Octavio Urrutia Moraga | Mayor - Peñalolen | 2 | 12.75 | 11 |
| Diego Giovanni Marchan Aravena | Saint Maurice’s | 3 | 13.11 | 22 |
| Sergio Ignacio Valenzuela Salinas | Concepción de Chillán | 7 | 14.88 | 35 |
| Andrés Maximiliano Luis Esteban Zapata Manquelipe | Bernardo Felmer Niklitschek - Lanco | 6 | DNS | |
| Maximiliano Ramirez Mora | Liceo Bicentenario Polivalente San Nicolás | 8 | DNS | |
| Serie 3 |
| Iñaki Pizarro Gazitúa | Pumahue | 4 | 12.47 | 5 q |
| Diego Rodrigo Retamal Tracanao | Saint Maurice’s | 5 | 12.81 | 13 |
| Joaquin Vicente Romero Cerda | Saint James School | 6 | 12.83 | 15 |
| Maximiliano Carrillo Acuña | Mayor - Peñalolen | 8 | 14.05 | 31 |
| Victor Rubilar Montecinos | Liceo Juvenal Hernández Jaque | 1 | DNS | |
| María Francisca Valdebenito Romero | Liceo Alemán del Verbo Divino - Los Ángeles | 2 | DNS | |
| Matias Benjamin Villagra Faundez | Pablo Neruda - Parral | 3 | DNS | |
| André Ignacio Saldías Méndez | Centenario de Temuco | 7 | DNS | |
| Serie 4 |
| Martin Vera Mujica | San Mateo - Osorno | 5 | 12.51 | 6 q |
| Victor Alexander Curiche Gutierrez | Liceo Pablo Neruda - Temuco | 4 | 12.54 | 7 q |
| Omar Antonio Hernandez Escalante | Liceo Bicentenario Polivalente San Nicolás | 1 | 12.75 | 12 |
| Martin Schäfer Cifuentes | Liceo Alemán del Verbo Divino - Los Ángeles | 3 | 12.88 | 16 |
| Vicente Yañez Maldonado | Padre Hurtado | 7 | 13.22 | 23 |
| Simon Maxiiliano Valencia Barberis | SSCC Concepción | 8 | 13.74 | 29 |
| Matias Alejandro Gajardo Guerrero | Escuela Villa Prat | 6 | 13.86 | 30 |
| Juan Sebastian Cifuentes Gaviria | Adventista de Chile | 2 | DNS | |
| Serie 5 |
| Santiago Ignacio Diaz Folsch | San Ignacio El Bosque | 4 | 12.63 | 9 |
| Pablo Benavides Leal | San Mateo - Osorno | 3 | 13.01 | 19 |
| Alejo Maceiras Vanonni | San José de Chicureo | 5 | 13.23 | 24 |
| Vicente Zenteno Pradel | Liceo Alemán del Verbo Divino - Los Ángeles | 1 | 13.34 | 25 |
| Gerardo Andres Godoy Orellana | SSCC Concepción | 7 | 13.51 | 27 |
| Diego Maximiliano Herrera Navarro | Saint James School | 8 | 13.69 | 28 |
| Daniel Jeremias Gonzalez Moreno | Saint Maurice’s | 6 | 14.20 | 32 |
| Christobal Camilo Lagos Troncoso | Hispano Americano Río Viejo | 2 | DNS | |
| Serie 6 |
| Domingo Cortinez Martinez | San José de Chicureo | 5 | 12.81 | 14 |
| Simón Alberto Herrera Berg | San Ignacio El Bosque | 4 | 13.01 | 20 |
| Sebastian Atilio Acuero Baeza | Escuela Villa Prat | 6 | 14.37 | 33 |
| Esteban Andres Perez Milchi | SSCC Concepción | 1 | DNS | |
| Tomas Agustin Oviedo Rodriguez | Adventista de Chile | 2 | DNS | |
| Pedro Sebastian Chepo Peña | Bernardo Felmer Niklitschek - Lanco | 3 | DNS | |
| Miguel Furet Osses | Concepción de Chillán | 7 | DNS | |
| César Abrahaam Blanco Rodriguez | San Fernando - Chillán | 8 | DNS | |
| Serie 7 |
| Gabriel Guerrero Suárez | Hispano Británico | 1 | 12.25 | 2 q |
| Cristobal Andre Figueroa Matus | Seminario Padre Hurtado de Chillán | 5 | 12.37 | 4 q |
| Agustin Ignacio Onetto Gonzalez | Saint James School | 2 | 12.57 | 8 q |
| Maximiliano Andres Pinto Perez | Seminario Padre Hurtado de Chillán | 3 | 13.40 | 26 |
| Elias Marcelo Diaz Gonzalez | Liceo Bicentenario Oriente Talca | 4 | DNS | |
