| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Macarena Teresita Irarrazaval Valdes | Los Andes | 3 | 13.16 | 1 q |
| Ena Silva Silva | Huelén | 4 | 13.49 | 3 q |
| Catalina Arancibia Letelier | San Benito | 2 | 13.80 | 5 q |
| Constanza Monardez Zamora | La Maisonnette | 5 | 14.23 | 7 |
| Magdalena Oros Trebilcock | SSCC Manquehue | 1 | DNS | |
| Rafaela Lavandero Eguiguren | San Benito | 6 | DNS | |
| Serie 2 | ||||
| Beatriz Doren Infante | San Benito | 3 | 13.43 | 2 q |
| Maria Magdalena Silva Silva | Huelén | 2 | 13.90 | 6 q |
| Magdalena Sandoval Padruno | SSCC Manquehue | 6 | 14.71 | 9 |
| Florencia Piera Jimenez | SSCC Manquehue | 5 | 14.87 | 10 |
| Teresita Guzman Cox | Santa Úrsula | 4 | DNS | |
| Serie 3 | ||||
| Jacinta Errazuriz Costa | Los Andes | 3 | 13.67 | 4 q |
| Catalina Maria Tyler Alori | Huelén | 2 | 14.53 | 8 |
| Alejandra Vial Vial | Los Andes | 6 | 15.03 | 11 |
| Valentina Plaza Marmori | Saint George's College | 4 | DNS | |
| Javiera Cortés De La Fuente | Instituto Chacabuco | 5 | DNS | |
