| Serie 1 |
| Constanza Mardonez Eyzaguirre | Saint George's College | 4 | 1:01.24 | 2 |
| Amanda Moro Novoa | The Grange School | 3 | 1:02.57 | 3 |
| Catalina Mesias Peña | Domingo Matte Mesías | 7 | 1:10.11 | 5 |
| Amelia Frances Mary Pitt Quinton | Huelén | 2 | DNS | |
| Luciana Negri Sancho | Padre Hurtado y Juanita de los Andes | 6 | DNS | |
| Sofia Templeton Nario | Everest | 8 | DNS | |
| Serie 2 |
| Renata Navarro Caimanque | SSCC Padres Franceses - Viña del Mar | 7 | 1:00.08 | 1 |
| Manuela Gordon Lustig | Saint George's College | 4 | 1:03.51 | 4 |
| Dominga Nazar Silva | Padre Hurtado y Juanita de los Andes | 3 | 1:12.43 | 6 |
| Florencia Galvan Gomez | San José de Chicureo | 6 | 1:19.40 | 7 |
| Victoria Vos Ramirez | Huelén | 2 | DNS | |
| Michelle Lucena Ortega | Técnico Profesional República Argentina | 5 | DNS | |
| Nicole Sarah Bulcke | San Isidro | 8 | DNS | |
| Clasificación final |
| Renata Navarro Caimanque | SSCC Padres Franceses - Viña del Mar | 7 | 1:00.08 | 1 |
| Constanza Mardonez Eyzaguirre | Saint George's College | 4 | 1:01.24 | 2 |
| Amanda Moro Novoa | The Grange School | 3 | 1:02.57 | 3 |
| Manuela Gordon Lustig | Saint George's College | 4 | 1:03.51 | 4 |
| Catalina Mesias Peña | Domingo Matte Mesías | 7 | 1:10.11 | 5 |
| Dominga Nazar Silva | Padre Hurtado y Juanita de los Andes | 3 | 1:12.43 | 6 |
| Florencia Galvan Gomez | San José de Chicureo | 6 | 1:19.40 | 7 |
