| Serie 1 |
| Eloísa Esmeralda Ferrat Guerrero | Centenario de Maipú | | 2:44.47 | 1 |
| Ignacia Peña Valdés | Los Alerces | | 2:50.70 | 2 |
| Laura Bittner Budge | Santa Úrsula | | 2:51.25 | 3 |
| Mariana Cubas Mardon | Santa Úrsula | | 2:54.03 | 4 |
| Jacinta Mackenna Zegers | Los Andes | | 2:54.11 | 5 |
| Rosa Maria Alamos Zañartu | Los Andes | | 2:54.18 | 6 |
| Sofía De La Cuesta Ferrer | Cumbres | | 2:57.11 | 7 |
| Margarita Kaltwasser Barranco | Los Andes | | 2:58.84 | 9 |
| Delia Honorato Alcalde | Huelén | | DNS | |
| Lourdes Figueroa Garay | Everest | | DNS | |
| Serie 2 |
| Lucía Cádiz Rosselot | Saint George's College | | 2:58.38 | 8 |
| Laura De La Cuesta Ferrer | Cumbres | | 3:05.98 | 10 |
| Emilia Pizarro Schele | Everest | | 3:05.99 | 11 |
| Emilia Monteverde Peire | Nazaret | | 3:07.54 | 12 |
| Simona Fava Bada | Saint George's College | | 3:07.81 | 13 |
| Emilia Mackenna Letelier | Nazaret | | 3:08.05 | 14 |
| Dominga Vilarnau Cabrera | Everest | | 3:11.66 | 15 |
| Matilde Arteaga Novoa | Saint George's College | | 3:13.06 | 16 |
| Agustina Greene Jacir | Huelén | | DNS | |
| Julieta Vitale Goycoolea | Huelén | | DNS | |
| Clasificación final |
| Eloísa Esmeralda Ferrat Guerrero | Centenario de Maipú | | 2:44.47 | 1 |
| Ignacia Peña Valdés | Los Alerces | | 2:50.70 | 2 |
| Laura Bittner Budge | Santa Úrsula | | 2:51.25 | 3 |
| Mariana Cubas Mardon | Santa Úrsula | | 2:54.03 | 4 |
| Jacinta Mackenna Zegers | Los Andes | | 2:54.11 | 5 |
| Rosa Maria Alamos Zañartu | Los Andes | | 2:54.18 | 6 |
| Sofía De La Cuesta Ferrer | Cumbres | | 2:57.11 | 7 |
| Lucía Cádiz Rosselot | Saint George's College | | 2:58.38 | 8 |
