| Serie 1 |
| Olivia Salinas Egaña | Everest | 8 | 9.78 | 2 q |
| Javiera Jensen Correa | Saint George's College | 5 | 10.18 | 4 q |
| Maria Errazuriz Kramer | Los Andes | 1 | 10.41 | 7 q |
| Teresita Montaner Covarrubias | Los Alerces | 7 | 10.71 | 10 |
| Josefina MarĂa Varas Barros | San Anselmo | 4 | 10.75 | 11 |
| Florencia Martija Joannon | SSCC Manquehue | 2 | 11.09 | 14 |
| Maria Ignacia Yavar Cabrer | Seminario Padre Hurtado de Chillán | 6 | 11.63 | 18 |
| Sara Decombe Izquierdo | Nazaret | 3 | 12.25 | 19 |
| Serie 2 |
| Chia Lai Ruan Cáceres | Montessori de Talca | 5 | 9.41 | 1 q |
| Josefa Irarrazaval Riesco | Los Andes | 8 | 10.46 | 8 q |
| Elisa Tuset Cuevas | Los Alerces | 3 | 10.56 | 9 |
| Matilde Muñoz Quiroz | Saint George's College | 1 | 10.80 | 13 |
| Teresita Abogabir Correa | Everest | 6 | 11.10 | 15 |
| Isidora Santa Cruz Rodriguez | Nazaret | 4 | 11.21 | 17 |
| Antonia Infante Undurraga | San Anselmo | 2 | | |
| Florencia Antonia Gasaui Chacon | Seminario Padre Hurtado de Chillán | 7 | | |
| Serie 3 |
| Teresita Latorre Dunsmore | Los Alerces | 4 | 10.12 | 3 q |
| Margarita Gonzalez Ariztia | Los Andes | 7 | 10.38 | 5 q |
| Maria Jose Eguiguren Bustamante | Everest | 1 | 10.40 | 6 q |
| Amelia MarĂa Varas Fluxa | Nazaret | 2 | 10.77 | 12 |
| Consuelo Antonia Antunez Aravena | Saint George's College | 5 | 11.20 | 16 |
| Paula Valentina Olave Gajardo | SSCC Manquehue | 8 | 12.60 | 20 |
| Antonia Del Pilar Délano Urrutia | San Anselmo | 3 | | |
| Constanza GarĂn Giacoman | Cumbres | 6 | | |