| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Jacinta Philipps Cares | Santa Úrsula | 7 | 9.99 (CR) | 1 q |
| Gracia Auger Izquierdo | Saint George's College | 5 | 10.64 | 4 q |
| Lucia Iacobelli Ovalle | Los Andes | 2 | 10.87 | 8 q |
| Josefina Lira Olivier | Cumbres | 3 | 11.12 | 10 |
| Ma Loreto Bunout Miquel | Everest | 6 | 11.17 | 11 |
| Sofia Bertrand Velasco | SSCC Manquehue | 4 | 11.83 | 21 |
| Angela Vives Camus | Nazaret | 1 | 12.14 | 22 |
| Serie 2 | ||||
| Ema Díaz Ferrando | Saint George's College | 3 | 10.58 | 3 q |
| Augusta Vial Errazuriz | Los Andes | 6 | 10.77 | 6 q |
| Valentina García Mardones | Los Alerces | 2 | 11.03 | 9 |
| Olivia Prieto Barros | Everest | 5 | 11.30 | 13 |
| Emma Sharpe Rojas | SSCC Manquehue | 4 | 11.41 | 17 |
| Sofia Correa Bertran | Nazaret | 8 | 11.49 | 18 |
| Catalina Goycoolea Toloza | Cumbres | 1 | 11.52 | 19 |
| Serie 3 | ||||
| Laura Sagredo Pérez | Saint George's College | 8 | 10.57 | 2 q |
| Elisa Cardemil Sotomayor | Santa Úrsula | 1 | 10.68 | 5 q |
| Augusta María Ureta Álvarez | Los Alerces | 4 | 10.82 | 7 q |
| Amalia Ferrer Balocchi | Nazaret | 7 | 11.26 | 12 |
| Florencia Lira Olivier | Cumbres | 2 | 11.37 | 14 |
| Agustina Viel De La Maza | SSCC Manquehue | 5 | 11.37 | 15 |
| Maria Ignacia Acevedo Infante | Los Andes | 6 | 11.38 | 16 |
| Trinidad García-Huidobro Cartwright | Everest | 3 | 11.71 | 20 |
