| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Diego Undurraga GarcĂa-Huidobro | Monte Tabor | |||
| Serie 1 | ||||
| Francisco Caparros Fuentes | SSCC Manquehue | 6 | 11.76 | 1 q |
| Martin Holscher Hernandez | Everest | 4 | 12.49 | 4 q |
| Luis Fernei Riasco Riasco | Liceo B-9 Cesareo Aguirre | 2 | 11.78 | (F.C.) |
| Francisco Barrios Lara | San Ignacio El Bosque | 3 | ||
| Mateo LĂłpez Savi | The Mayflower School | 5 | ||
| Serie 2 | ||||
| Sebastian Ignacio Sotomayor Mestre | San Anselmo | 4 | 12.16 | 3 q |
| Cristian Contador Hargeavres | Alemán de Santiago | 3 | 12.68 | 5 q |
| Benito Valenzuela Acle | SSCC Manquehue | 2 | 12.81 | 7 |
| Patricio Busquet Llona | San Benito | 6 | 12.93 | 8 |
| Borja Guillermo Yañez Morales | Monte Tabor | 5 | 13.13 | 9 |
| Serie 3 | ||||
| Gustavo RĂos A | San Anselmo | 3 | 12.06 | 2 q |
| José Pedro Labbé Köhler | San Benito | 2 | 12.73 | 6 q |
| Tomas Reyes Becker | Alemán de Santiago | 6 | 13.52 | 10 |
| Lucas Arano Diaz | The Mayflower School | 4 | ||
| CristĂłbal Riesco Carrasco | Everest | 5 | ||
