| Serie 1 |
| Andres Refusta Fuentes | Lincoln IA Chicureo | 2 | 10.09 | 1 q |
| Bruno Rickenberg Benedetti | The Greenland School | 4 | 10.11 | 1 q |
| Agustin Valdes Zegers | Tabancura | 3 | 10.45 | 2 q |
| Lucas Palacios Nazif | SSCC Manquehue | 7 | 10.74 | 3 |
| Matías Francisco Norambuena France | Verbo Divino | 1 | 11.03 | 5 |
| Martin Escaida Sandoval | Alcántara - Peñalolén | 5 | 11.10 | 6 |
| Lucas Palacios Undurraga | San Anselmo | 6 | 11.30 | 7 |
| Joaquin Toledo Valenzuela | SSCC Manquehue | 8 | | |
| Serie 2 |
| Juan Pablo Baeza Calvo | Tabancura | 5 | 10.31 | 2 q |
| Alberto Trujillo Gongora | Saint Gabriel's School | 3 | 10.67 | 3 |
| Raimundo José Letelier Seisdedos | Verbo Divino | 2 | 11.03 | 3 |
| Lucas Diaz Hernandez | The Greenland School | 4 | 11.08 | 5 |
| Pedro Ignavio Arrieta Olivares | Padre Hurtado y Juanita de los Andes | 1 | 11.33 | 5 |
| Martin Urzua Opazo | Instituto La Salle | 6 | 11.80 | 6 |
| Felipe Ihnen Fuenzalida | San Francisco de Asís | 7 | | |
| Raimundo Murtagh Cruzat | San Francisco de Asís | 8 | | |
| Serie 3 |
| Pedro Ismael Reyes Parada | SSCC Alameda | 4 | 9.82 | 1 q |
| Santiago Calvo De Bonnafos | Tabancura | 5 | 10.35 | 2 q |
| Borja Smith Vergara | Monte Tabor | 3 | 10.65 | 4 |
| Francisco Pinochet Fuentes | Cumbres | 6 | 11.40 | 4 |
| Benito Sistek Chellew | San Benito | 1 | 11.53 | 6 |
| Karam Elias Hanna Hanna | Lincoln IA Lo Barnechea | 2 | | |
| Benjamin Bustamante Venegas | Domingo Matte Mesías | 7 | | |
| Andrés Cordova Llanos | Andree English School | 8 | | |
| Serie 4 |
| Pablo Levil Cantergiani | Domingo Matte Mesías | 4 | 10.98 | 1 |
| Alfredo Vicari Torres | Saint George's College | 7 | 11.07 | 2 |
| Clemente Ruiz Bianchini | Cumbres | 6 | 10.62 | 3 q |
| Maximiliano Barberis Aliaga | Saint George's College | 5 | 11.13 | 3 |
| Cristóbal Pedro Bernales Magnere | Verbo Divino | 8 | 10.86 | 4 |
| Jose Tomas Alarcon Aguilera | San Ignacio El Bosque | 2 | 10.93 | 4 |
| Clemente Cabrera Dufey | Everest | 3 | | |
| Serie 5 |
| Cristian Prieto Noguera | Cordillera | 4 | 10.46 | 1 q |
| Felipe De La Maza Bengoa | Cordillera | 5 | 10.71 | 2 |
| Diego Undurraga García-Huidobro | Monte Tabor | 6 | 12.07 | 2 |
| Matías O'shea Petrinovic | Everest | 3 | 10.83 | 3 |
| Gonzalo Miguel Torres Sierra | SSCC Alameda | 7 | 11.73 | 4 |
| Tomas Vargas Lavin | Lincoln IA Lo Barnechea | 8 | 12.42 | 5 |
| Jose Guarachi Rodriguez | San Ignacio El Bosque | 2 | | |
| Serie 6 |
| Francisco Caparros Fuentes | SSCC Manquehue | 7 | 11.07 | 1 |
| Juan Pablo Piretta Pozzolo | San Benito | 8 | 11.46 | 5 |
| Maximiliano Arroyo Valdés | San Benito | 2 | 11.71 | 6 |
| Juan Francisco Alamos Ovalle | San Anselmo | 3 | | |
| Paulo Noemi Zuleta | Saint George's College | 4 | | |
| Cristóbal Riesco Carrasco | Everest | 5 | | |
| Diego Guzmán Urzúa | Cumbres | 6 | | |
| Serie 7 |
| Jorge Ruiz-tagle Edwards | Cordillera | 4 | 10.64 | 1 |
| Santiago Robeson Videla | Saint Gabriel's School | 3 | 10.88 | 2 |
| Iñigo Correa Samaniego | San Anselmo | 6 | 11.22 | 4 |
| Diego Andres Bustamante Bastias | SSCC Alameda | 5 | 11.44 | 5 |
| Pedro Krebs Saez | San Ignacio El Bosque | 2 | | |
| Nicolas Flores Muñoz | Domingo Matte Mesías | 7 | | |
| Alfonso Enrique Plandiura Navarrete | Padre Hurtado y Juanita de los Andes | 8 | | |
