| Diego Valdivia De Baeremaecker | San Isidro | | | |
| Felipe Albornoz Pinto | Cumbres | | | |
| Serie 1 |
| Juan Ibañez Larrain | Cordillera | 2 | 11.55 | 15 |
| AgustĂn Ovalle Bambach | Tabancura | 3 | 12.34 | 36 |
| Xing Jie Lucas Lu Flores | Mayor - Peñalolen | 5 | 12.84 | 40 |
| José Antonio Abarca Navarrete | Maitenes | 7 | 13.18 | 43 |
| Gonzalo Osbaldo Sánchez Letelier | Escuela Porongo | 8 | 13.76 | 45 |
| Cristobal Montero Dawabe | San Francisco de AsĂs | 1 | DNS | |
| Elyhomar José Morales Pérez | Instituto Comercial La Cisterna | 4 | DNS | |
| JoaquĂn Vial Vergara | San Isidro | 6 | DNS | |
| Serie 2 |
| Lucas Moreno Tagle | Verbo Divino | 5 | 11.19 | 6 q |
| BenjamĂn Lima Sánchez | Internacional SEK | 7 | 11.62 (11.6200) | 16 |
| Jose Manuel Del Piano Urrutia | Cordillera | 3 | 11.91 | 22 |
| Diego Giovanni Marchan Aravena | Saint Maurice’s | 2 | 12.13 | 29 |
| Hernán Muñoz Silva | Tabancura | 4 | 12.28 | 35 |
| Baltazar PerellĂł Burr | Monte Tabor | 6 | 12.43 | 37 |
| Patricio Parrao Millar | Maitenes | 8 | 12.99 | 42 |
| Pablo Ruiz Tal | Sankt Thomas Morus | 1 | DNS | |
| Serie 3 |
| Juan Pablo Lyon Errázuriz | Tabancura | 3 | 10.99 | 2 q |
| Leon Florenzano Errazuriz | Verbo Divino | 5 | 11.29 | 7 q |
| Fernando Vallejos Lopez | Colegio Los Alpes de MaipĂş | 2 | 11.30 | 8 q |
| Cristoban Andres Dauvergne Seguel | Internacional SEK | 1 | 11.49 | 12 |
| Vicente Alfonso Coronado Acuña | San Ignacio El Bosque | 8 | 11.64 | 18 |
| Jose Tomás Jorquera Aspé | Monte Tabor | 4 | 11.80 | 19 |
| Santiago Grohnert Morgan | San Benito | 7 | 12.20 | 32 |
| Adrian Javier Gonzalez Rodriguez | Saint Maurice’s | 6 | 12.82 | 39 |
| Serie 4 |
| Joaquin Moraga Echeverria | Verbo Divino | 1 | 11.54 | 14 |
| Ignacio Chible Ugalde | Lycée Antoine de Saint-Exupéry | 6 | 11.85 | 21 |
| Vicente Alonso Farias Soto | Manuel Larrain - CuricĂł | 3 | 11.97 | 24 |
| Clemente Fernandez Hurtado | Huinganal | 4 | 12.02 | 26 |
| Juan Enrique Echeverria Durán | San Ignacio El Bosque | 5 | 12.06 | 27 |
| Simon Francisco Poblete Rojas | Verbo Divino - Chicureo | 7 | 12.22 | 33 |
| Santiago De La Cuadra A | The Grange School | 2 | DNS | |
| Pedro Benjamin Rojas Hermosilla | Montessori de Talca | 8 | DNS | |
| Serie 5 |
| Arturo Goldsack Salinas | Huinganal | 7 | 11.14 | 5 q |
| Pedro Navarrete Correa | Everest | 4 | 11.46 | 11 |
| Rafael Vallejos MarĂn | San Ignacio El Bosque | 2 | 11.82 | 20 |
| Joaquin Arriagada Buttazzoni | Cumbres | 8 | 11.96 | 23 |
| Benjamin Cancino Ponce | Instituto Premilitar de Chile | 5 | 12.17 | 30 |
| Maximiliano Andres Henriquez Rojas | Academia de Humanidades | 1 | 13.27 | 44 |
| José Miguel Sebastián Calderón Valdevenito | Verbo Divino - Chicureo | 3 | DNS | |
| Vicente Antonio Pavez Vasquez | Alemán de La Serena | 6 | DNS | |
| Serie 6 |
| Juan Vicente Rodriguez Flores | Padre Hurtado | 5 | 10.87 | 1 q |
| Maximo Correa Montero | Everest | 2 | 11.08 | 3 q |
| Angel Eduardo Guevara Balza | Instituto O'Higgins de Rancagua | 1 | 11.50 | 13 |
| Manuel Widow Otaegui | Huinganal | 7 | 12.09 | 28 |
| Christopher Leonardo Diaz Valenzuela | Rauquén | 6 | 12.68 | 38 |
| Diego Osvaldo Maldonado Basualto | Liceo Hermanos Sotomayor Baeza | 3 | DNS | |
| Benjamin Palacios Garcia | Cumbres | 4 | DNS | |
| Serie 7 |
| Marc Anderson Donat Donat | Deportivo Luis Cruz MartĂnez | 3 | 11.13 | 4 q |
| Benjamin Ignacio Tejos Florenzano | Everest | 7 | 11.42 | 9 |
| Nicolas Iriarte Tagle | Padre Hurtado | 5 | 11.42 | 10 |
| Vicente Yañez Maldonado | Padre Hurtado | 2 | 11.62 (11.6200) | 17 |
| Martin Rosende Barros | Cordillera | 8 | 11.97 | 25 |
| Vicente Sepulveda Cortes | Grace College | 1 | 12.18 | 31 |
| Diego Andres Piriz Larrazaval | San Anselmo | 6 | 12.24 | 34 |
| Pedro Pablo Canahuate Muñoz | Alemán de Chillán | 4 | 12.88 | 41 |
| Serie 8 |
| Magdiel Panagua P | El Boldo | 2 | | |
| Theophane Dármand De Cheateveaux | San Francisco de AsĂs | 3 | | |
| Ismael Barella Riutort | San Isidro | 4 | | |
| Sebastian Rencoret Escala | Saint George's College | 7 | | |
