| Serie 1 |
| Dominga Uribe Castro | Instituto O'Higgins de Rancagua | 3 | 11.42 | 1 q |
| Amelia Valenzuela Melelli | Highlands | 1 | 12.25 | 7 |
| Agustina Mujica Orestes | Arrayanes | 2 | 12.48 | 8 |
| Olivia Santomingo Vial | San Isidro | 5 | 12.49 | 9 |
| Dominga Milagros Alonso AzĂşa | La Cruz de MachalĂ | 4 | 12.74 | 13 |
| Serie 2 |
| Elisa Labbé Echeñique | La Cruz de Machalà | 1 | 12.83 | 14 |
| Angela Edwards Crespo | Arrayanes | 4 | 12.88 | 15 |
| Lourdes Michea Saldaña | Instituto Inglés de Rancagua | 3 | 13.09 | 17 |
| Agustina Bravo Buono- Core | Highlands | 2 | 13.17 | 18 |
| Martina Belén Espinoza Nerety | Instituto O'Higgins de Rancagua | 5 | | |
| Serie 3 |
| Trinidad Victoria Reyes Gallardo | Instituto O'Higgins de Rancagua | 5 | 11.92 | 5 q |
| MarĂa Luisa Ferret Valenzuela | La Cruz de MachalĂ | 2 | 12.07 | 6 q |
| Isidora Paz Sepúlveda Baeza | Instituto Inglés de Rancagua | 4 | 12.66 | 11 |
| Olivia Vicuña Lamarca | Maitenes | 1 | 15.04 | 21 |
| Maria Abarca Quiroz | The Greenland School | 3 | | |
| Serie 4 |
| Maria Sofia Gualda Urruticoechea | San Isidro | 4 | 11.53 | 2 q |
| Luisa Garay Santa MarĂa | Instituto InglĂ©s de Rancagua | 5 | 11.81 | 4 q |
| Rafaela Araya Muñoz | Trinity College | 2 | 12.56 | 10 |
| Fernanda Carolina Colil González | Maitenes | 1 | 12.91 | 16 |
| Renata Inostroza Cabezs | The Greenland School | 3 | | |
| Serie 5 |
| Laura Carmona Casadio | San Isidro | 3 | 11.78 | 3 q |
| Emilia LarraĂn Lecaros | Maitenes | 5 | 12.71 | 12 |
| Trinidad Tapia Reinoso | Highlands | 4 | 13.18 | 19 |
| Jacinta De La Cerda Cardoen | Arrayanes | 1 | 13.42 | 20 |
| Josefina Roco Lopez | The Greenland School | 2 | | |
