| Serie 1 V.V. -0.2 |
| Rocio Amparo Contreras Guerrero | Coya | 7 | 13.54 | 1 q |
| Julia Donoso Simonetti | Instituto San Fernando | 3 | 13.56 | 2 q |
| Antonia Diaz Lizana | Liceo Industrial de San Fernando | 2 | 14.02 | 3 q |
| Francisca Antonia Lavin Schiaffino | Instituto O'Higgins de Rancagua | 4 | 14.66 | 6 q |
| Carolina Donoso Rojas | San Antonio del Baluarte de Rengo | 8 | 14.78 | 7 q |
| Fernanda Belen Quintanilla Carreño | Cryptocarya Alba | 5 | 17.81 | 11 |
| Valentina Balladares Ogaz | Liceo Bicentenario Óscar Castro Zúñiga | 6 | DNS | |
| Serie 2 V.V. +0.4 |
| Rocio Ignacia Enriquez Hormazabal | Instituto O'Higgins de Rancagua | 4 | 14.25 | 4 q |
| Martina Duarte Idalsoaga | Instituto San Fernando | 7 | 14.40 | 5 q |
| Javiera Ignacia Seguel Piña | Liceo Bicentenario Óscar Castro Zúñiga | 5 | 15.34 | 8 q |
| Alexandra Andrea Gaete Marin | Liceo Bicentenario Instituto Politécnico Santa Cruz | 2 | 16.82 | 9 |
| Nicolette Ignacia Droguett Carcamo | Cryptocarya Alba | 6 | 17.60 | 10 |
| Pia Vasquez Sepulveda | Nahuelcura de Machalí | 3 | DNS | |
