| Serie 1 |
| Diego Simón Olivares Labarca | Saint George's College | 1 | 9.29 | 1 q |
| Bruno Alberto Rocca Hott | Alborada de Curauma | 8 | 9.92 | 8 q |
| Leonardo Lepori Ortiz | Saint John's Villa Academy | 4 | 10.03 | 10 |
| Maximiliano Jose Lira Delgeon | San Francisco de Asís | 6 | 10.34 | 13 |
| Lucas Felipe Banse Gatica | Calasanz | 2 | 10.76 | 16 |
| Renato Valenzuela Perez | Institución Teresiana | 7 | 10.77 | 17 |
| Serie 2 |
| Benjamín Enrique Vasquez Errazuriz | San Francisco de Asís | 8 | 9.66 | 3 q |
| Cristobal Aguirre García-Huidobro | Saint George's College | 2 | 9.67 | 4 q |
| Juan Diego Elgueta Benavente | Maitenes | 3 | 9.86 | 6 q |
| Demetrio Benito Petrinovic | Saint John's Villa Academy | 5 | 9.87 | 7 q |
| Javier Cifuentes Soler | The Angel's School | 4 | 10.58 | 14 |
| Santiago Lazo Diaz | Calasanz | 7 | 10.98 | 18 |
| Serie 3 |
| Bruno Valdes Marinetti | Saint George's College | 8 | 9.34 | 2 q |
| Andres Ferrer Salinas | San Francisco de Asís | 2 | 9.73 | 5 q |
| Agustin Jose Acevedo Urruticoechea | Tabancura | 5 | 9.97 | 9 |
| Camilo Agustín Lefio Alarcón | Casa Escuela Montessori Valparaiso | 3 | 10.03 | 11 |
| Julián Alonso Abarca Salinas | Maitenes | 4 | 10.14 | 12 |
| Santiago Alonso Tapia Marambio | Calasanz | 6 | 10.74 | 15 |
