| Serie 1 |
| Santiago Loayza Diaz | Trebulco School | 4 | 11.85 | q |
| Vicente Alfonso Coronado Acuña | San Ignacio El Bosque | 5 | 11.92 | q |
| Alen Benjamin Gajardo Guerrero | Mineduc | 1 | 12.33 | |
| Adrian Javier Gonzalez Rodriguez | Saint Maurice’s | 3 | 12.97 | |
| Nicolas Sebastian Saldivia Cuevas | SSCC Concepción | 8 | 13.14 | |
| Agustin Ignacio Covarribias Inostroza | Saint James School | 6 | 13.94 | |
| Rodrigo Benjamìn Romo Riquelme | Concepción de Chillán | 2 | | |
| Lucas Ignacio Andrade Valdez | Liceo Bicentenario Polivalente Carlos Montané Castro - Quirihue | 7 | | |
| Serie 2 |
| Nicolas Iriarte Tagle | Padre Hurtado | 6 | 11.97 | q |
| Diego Giovanni Marchan Aravena | Saint Maurice’s | 3 | 12.21 | |
| Agustin Uribe Espinosa | Trebulco School | 4 | 12.56 | |
| Benjamin Wicki Valenzuela | Alemán Los Ángeles | 5 | 13.23 | |
| Pedro Pablo Canahuate Muñoz | Alemán de Chillán | 2 | | |
| Fernando Andrés Aravena Sánchez | Liceo Bicentenario Polivalente Carlos Montané Castro - Quirihue | 7 | | |
| Ivan Gabriel Bruna Cabrera | San Agustín - Quirihue | 8 | | |
| Serie 3 |
| Juan Vicente Rodriguez Flores | Padre Hurtado | 2 | 11.42 | q |
| Vicente Andrés Lara Yanine | Alemán de Chillán | 8 | 11.82 | q |
| Andrés Ignacio Navarrete Arenas | Alemán Los Ángeles | 5 | 12.67 | |
| Manuel Ugarte García Huidobro | Trebulco School | 4 | 12.86 | |
| Cristhian Alexander Silvestre Perez | Saint Maurice’s | 3 | | q |
| Neftali Dali Huenuqueo Jofre | Escuela Mune Bajo | 6 | | |
| Manuel Allard Greene | Verbo Divino | 7 | | |
| Serie 4 |
| Martin Vera Mujica | San Mateo - Osorno | 3 | 11.72 | q |
| Leon Florenzano Errazuriz | Verbo Divino | 7 | 11.92 | q |
| Vicente Yañez Maldonado | Padre Hurtado | 6 | 12.11 | |
| Loggan Zepeda Vega | Dinabec College | 8 | 14.23 | |
| Americo Perez Caballero | San José de Chicureo | 2 | | |
| Maximiliano Melo Wohlk | Alemán Los Ángeles | 4 | | |
| Lucas Hernandez Gaete | Seminario Padre Hurtado de Chillán | 5 | | |
| Serie 5 |
| Juan Pablo Soto Sandoval | Liceo Bicentenario Polivalente San Nicolás | 5 | 12.03 | q |
| Benjamin Nicolas Ruiz Vasquez | San Ignacio El Bosque | 4 | 12.18 | |
| Diego Fuentes Muñoz | San José de Chicureo | 2 | 12.28 | |
| Cristobal Omar Barriga Diaz | SSCC Concepción | 3 | 12.33 | |
| Ismael Espinosa Arriagada | Verbo Divino | 7 | 12.38 | |
| Pedro Vera Yañez | San Alfonso de El Boldo | 8 | 12.45 | |
| Joaquin Fernandez Rodriguez | Concepción de Chillán | 6 | 12.72 | |
| Serie 6 |
| Santiago Leiva Mendez | San Ignacio El Bosque | 5 | 12.50 | |
| Matias Exequel Almonte Aceiton | Liceo Bicentenario Polivalente San Nicolás | 3 | 12.60 | |
| Martin Alonso Medel Bustamante | Instituto Santa María - Chillán | 2 | 13.01 | |
| Vicente Agustin Santibañez Seguel | SSCC Concepción | 6 | 13.05 | |
| Kevin Sebastián Martínez Valdés | Liceo Yungay | 7 | 13.30 | |
| Harold Caro Torres | Arte y Cultura | 4 | 14.31 | |
| Joaquin Jose Bascur Rodriguez | Concepción de Chillán | 8 | | |
| Serie 7 |
| Benjamin Ignacio Ibarra Paiyamil | Adventista de Chile | 5 | 12.22 | |
| Jiachen Liu Chi | Lirima | 7 | 12.44 | |
| Milovan Amaru Parra Milla | Colegio Obispo Labbe | 8 | 12.71 | |
| Zibin Lin Zheng | Lirima | 6 | 12.74 | |
| Agustín Thomas Guhl Romero | Alemán de Chillán | 2 | 13.40 | |
| Andres Maldonado Vasquez | Dinabec College | 3 | 13.96 | |
| Vicente Mora Pincheira | Dinabec College | 4 | | |
