| Serie 1 |
| Nicolas Quevedo Finlay | SSCC Manquehue | 4 | 11.58 | 1 q |
| Tomás Montes Barroilhet | Everest | 3 | 12.41 | 2 q |
| Thomas John Blumer Blumer | San Anselmo | 8 | 12.68 | 3 |
| Gabriel Peña Sepulveda | The Greenland School | 6 | 13.21 | 4 |
| Santiago Fernandez Fuentealba | San Francisco de Asís | 2 | 13.56 | 5 |
| Felipe Garrao Pérez | Padre Hurtado y Juanita de los Andes | 7 | 14.08 | 6 |
| Diego Costa Aguirre | Saint George's College | 5 | | |
| Serie 2 |
| Alejandro Arze Sumar | Everest | 5 | 12.21 | 1 q |
| Clemente Jose Varas Fuenzalida | San Anselmo | 8 | 12.75 | 2 |
| Cristobal Ortiz Von Riege | SSCC Manquehue | 4 | 12.83 | 3 |
| Cristobal Peralta Aravena | Padre Hurtado y Juanita de los Andes | 6 | 13.23 | 4 |
| Javier Alonso Aragón Godoy | Verbo Divino | 2 | 13.01 | 5 |
| Tomas Dittborn Woolvett | Cordillera | 7 | 13.26 | 5 |
| Francisco Viera Paulos | Cumbres | 3 | | |
| Serie 3 |
| Raimundo Herceg Lacalle | Saint George's College | 4 | 11.05 | 1 q |
| Ignacio Guglielmetti Bone | Tabancura | 3 | 11.75 | 2 q |
| Santiago Rodriguez Gana | Cordillera | 7 | 11.98 | 3 q |
| Lucas Wallis Castro | Padre Hurtado y Juanita de los Andes | 6 | 12.73 | 4 |
| Raimundo Velasco Barañao | Verbo Divino | 2 | | |
| Tomás Munita Kosameh | Cumbres | 5 | | |
| Simon Pedro Ibarra Infante | San Francisco de Asís | 8 | | |
| Serie 4 |
| Roman Preece Livingstone | Saint George's College | 4 | 10.70 | 1 q |
| Jose Tomas Quiroga Cortes | Tabancura | 5 | 11.20 | 2 q |
| Antonio Francisco Romero Wielandt | San Anselmo | 7 | 12.68 | 3 |
| Diego Leisewitz Muñoz | Cumbres | 3 | 13.89 | 4 |
| José Tomás Tagle Dufeu | San Benito | 2 | | |
| Diego Hofer Osorio | SSCC Manquehue | 6 | | |
| León Campino Del Villar | San Francisco de Asís | 8 | | |
