| Serie 1 |
| Sara Cestau Ortega | Los Alerces | 3 | 8.60 | 1 q |
| Maria Trinidad Irarrázaval Alcaino | Santa Úrsula | 6 | 8.60 | 2 q |
| Isabel Claro Irarrázaval | Cumbres | 7 | 8.69 | 4 q |
| Isidora Verni Gimeno | SSCC Manquehue | 1 | 8.88 | 5 q |
| Isabel Martinez Hoffmann | Nazaret | 2 | 8.96 | 9 |
| Jacinta García Montaner | Saint George's College | 8 | 9.08 | 11 |
| Jacinta Eyzaguirre Claro | Los Andes | 5 | 9.10 | 13 |
| Maria Emilia Rosales Aguilera | Everest | 4 | 9.19 | 15 |
| Serie 2 |
| Candelaria Blanca Vargas Silva | Everest | 5 | 8.61 | 3 q |
| Colomba Llodrá Frauenberg | Saint George's College | 7 | 8.94 | 6 q |
| Amalia Tagle Bier | Santa Úrsula | 3 | 8.96 | 10 |
| Ana Luisa Smith Subercaseaux | Los Alerces | 8 | 9.09 | 12 |
| Olivia Lathrop Solis | SSCC Manquehue | 2 | 9.12 | 14 |
| Florencia Tocornal Vargas | Nazaret | 1 | 9.37 | 19 |
| Elisa Barros Budge | Los Andes | 6 | 9.48 | 20 |
| Florencia Serrano Vial | Cumbres | 4 | DNS | |
| Serie 3 |
| Maria Trinidad Cruz Irarrazaval | Los Andes | 1 | 8.94 | 7 q |
| Margarita Errázuriz Lohmann | Cumbres | 3 | 8.95 | 8 q |
| Emilia Azócar Simian | Saint George's College | 4 | 9.32 | 16 |
| Maite Rosales Leon | SSCC Manquehue | 7 | 9.32 | 17 |
| Olivia Melo Diaz | Santa Úrsula | 6 | 9.33 | 18 |
| Rosario Fernández Morandé | Los Alerces | 5 | 9.48 | 21 |
| Agustina Fernandez Vergara | Everest | 8 | 9.53 | 22 |
| Antonia Millar Cox | Nazaret | 2 | 9.66 | 23 |
