| Serie 1 |
| Olivia Lamarca Avilés | Los Andes | | 2:44.46 | 3 |
| Antonia Altamirano Lopez | San Benito | | 2:47.47 | 6 |
| Agustina Greene Jacir | Huelén | | 2:49.80 | 9 |
| Antonia Gardilcic Santa Cruz | San Benito | | 2:50.56 | 10 |
| Mariana Cubas Mardon | Santa Úrsula | | 2:54.19 | 11 |
| Laura Steinmeyer Holtz | SSCC Manquehue | | 2:54.43 | 12 |
| Isabel Gelmi Garrido | Huelén | | 2:59.91 | 17 |
| Laurita Vergara Miller | Los Andes | | 3:00.10 | 18 |
| Raquel Del Carmen Morales Sepulveda | Huelén | | 3:00.94 | 20 |
| Antonia Pavissich Swett | Huelén | | 3:00.95 | 21 |
| Ignacia Cortés Saavedra | Saint George's College | | 3:03.33 | 25 |
| María Jesús Cruzat Soza | Los Andes | | 3:03.92 | 26 |
| Maria Jesús Peñafiel Muñoz | Los Andes | | 3:06.12 | 28 |
| Rafaela Tepano Acuña | Atlético Rapa Nui | | 3:11.64 | 32 |
| Emilia Bartolameolli Celis | Lycée Antoine de Saint-Exupéry | | 3:11.86 | 33 |
| Ema Henríquez Silva | La Maisonnette | | 3:17.54 | 34 |
| Gracia María Seguel Santos | La Maisonnette | | 3:17.56 | 35 |
| Amira Saleh Fritis | Lycée Antoine de Saint-Exupéry | | DNF | |
| Andrea Rosenstock Chellew | SSCC Manquehue | | DNS | |
| Clara Isabel Norambuena France | Santa Úrsula | | DNF | |
| Emma Urbina Aracena | Bradford School | | DNS | |
| Margarita Avendaño Correa | Saint George's College | | DNS | |
| Serie 2 |
| Elena Oyarzun Dellorto | SSCC Manquehue | | 2:42.61 | 1 |
| Matilda Vargas Hernández | SSCC Manquehue | | 2:43.37 | 2 |
| Ema Klammer Pellegrini | San Benito | | 2:46.62 | 4 |
| Maria Briceño Purcell | San Benito | | 2:46.82 | 5 |
| Lucía Cádiz Rosselot | Saint George's College | | 2:47.65 | 7 |
| Laura Concha Ferrer | Saint George's College | | 2:48.59 | 8 |
| Agustina Bravo Murature-Stordiau | Huelén | | 2:54.46 | 13 |
| Eloisa Yon Lausen | Santa Úrsula | | 2:54.76 | 14 |
| María Ariztía Silva | San Benito | | 2:55.03 | 15 |
| Antonia González Larraín | SSCC Manquehue | | 2:56.47 | 16 |
| Josefina María Arnaiz Ortiz | San Benito | | 3:00.78 | 19 |
| Olivia Morales Lopez | Lycée Antoine de Saint-Exupéry | | 3:01.02 | 22 |
| Pola Elton Calderón | Lycée Antoine de Saint-Exupéry | | 3:02.42 | 23 |
| Cristina Brosel Johnson | Los Andes | | 3:02.53 | 24 |
| Elena Vial Vial | Los Andes | | 3:04.90 | 27 |
| Vai Roa Kiara Sandoval Ogaz | Atlético Rapa Nui | | 3:06.99 | 29 |
| Valentina Lopez Moreno | Lycée Antoine de Saint-Exupéry | | 3:07.14 | 30 |
| Sara Horenstein Kutscher | Santa Úrsula | | 3:09.81 | 31 |
| Estela Valdés Alvarez | Saint George's College | | DNF | |
| Eva Sandrock Cox | Alemán de Santiago | | DNF | |
| Jacinta Rey Coeymans | Santa Úrsula | | DNS | |
| Olimpia Irarrazaval Barrios | San Benito | | DNF | |
| Violeta Errázuriz Vallejo | San Benito | | DNS | |
| Clasificación final |
| Elena Oyarzun Dellorto | SSCC Manquehue | | 2:42.61 | 1 |
| Matilda Vargas Hernández | SSCC Manquehue | | 2:43.37 | 2 |
| Olivia Lamarca Avilés | Los Andes | | 2:44.46 | 3 |
| Ema Klammer Pellegrini | San Benito | | 2:46.62 | 4 |
| Maria Briceño Purcell | San Benito | | 2:46.82 | 5 |
| Antonia Altamirano Lopez | San Benito | | 2:47.47 | 6 |
| Lucía Cádiz Rosselot | Saint George's College | | 2:47.65 | 7 |
| Laura Concha Ferrer | Saint George's College | | 2:48.59 | 8 |
