| Serie 1 |
| Luciano Said Riadi Vega | Osorno College | 2 | 12.25 | 10 |
| Matías Farid Aranki Barros | Puerto Varas | 5 | 12.31 | 11 |
| Doménico Canterutti Mancilla | Alemán de Puerto Varas | 3 | 12.58 | 14 |
| Gaspar Delgado Thom | Alemán de Puerto Varas | 4 | 12.60 | 15 |
| Cesar Ernesto Velásquez Becerra | Colegio Domingo Santa María Puerto Montt | 6 | DNS | |
| Serie 2 |
| Eithan Catoni Scheibel | Alemán de Puerto Varas | 3 | 11.67 | 3 q |
| Martín Gaete Canales | Alemán de Puerto Varas | 4 | 12.09 | 6 q |
| Cristóbal Andrés Mendosa Villena | Patagonia College - Puerto Montt | 1 | 12.35 | 12 |
| Arturo Kohn Montero | Puerto Varas | 2 | DNS | |
| Jorge Hernan Moreira Mutizabal | Lycée Claude Gay | 5 | DNS | |
| Oscar Andres Baeza Contreras | Colegio Domingo Santa María Puerto Montt | 6 | DNS | |
| Serie 3 |
| Martin Vera Mujica | San Mateo - Osorno | 6 | 11.47 | 1 q |
| Javier Prieto Riveros | Puerto Varas | 4 | 11.56 | 2 q |
| Santiago Capó Pérez | Alemán de Puerto Varas | 3 | 12.57 | 13 |
| Lorenzo Bastian Chamorro Toledo | Colegio Domingo Santa María Puerto Montt | 2 | DNS | |
| Benjamín Andrés Medina Nanning | Colegio Domingo Santa María Puerto Montt | 5 | DNS | |
| Serie 4 |
| Maximiliano Vennekool Moyano | Puerto Varas | 4 | 11.86 | 5 q |
| Martin Oyarzun Sommer | Instituto Alemán de Osorno | 6 | 12.81 | 16 |
| Vicente Lazcano Gaedicke | Alemán de Puerto Varas | 3 | 13.58 | 17 |
| Juan Pablo Pastén Quidel | Patagonia College - Puerto Montt | 1 | DNS | |
| Mateo David Andrade Subiabre | Colegio Domingo Santa María Puerto Montt | 2 | DNS | |
| Vicente Jesus Oporto Hernandez | Colegio Domingo Santa María Puerto Montt | 5 | DNS | |
| Serie 5 |
| Nahum Díaz López | Instituto Alemán de Osorno | 3 | 11.84 | 4 q |
| Matias Kusch Kusch | Instituto Alemán de Osorno | 4 | 12.14 | 7 |
| Pablo Benavides Leal | San Mateo - Osorno | 6 | 12.18 | 8 |
| Cristobal Keim Leon | Instituto Alemán de Osorno | 5 | 12.21 | 9 |
