| Serie 1 V.V. +0.5 |
| Isidora Del Rosario Corada Vives | Andrée English School | 5 | 12.81 | 6 q |
| Aurora Baztan Haeusser | Everest | 3 | 13.05 | 8 q |
| Pilar Dominguez Gines | Nazaret | 6 | 13.29 | 11 |
| Maria Guzman Salinas | Los Alerces | 4 | 13.60 | 21 |
| Marianne Bosshard Campos | Alemán de Santiago | 7 | 13.76 | 24 |
| Isabel Agustina Orellana Guerrero | Verbo Divino - Chicureo | 1 | DNS | |
| Gloria Isabel Alcalde Huerta | San Francisco de AsÃs | 2 | DNS | |
| MarÃa Gracia Jordan Ulloa | Nazaret | 8 | DNS | |
| Serie 2 V.V. +0.5 |
| Sofia Segura Tupper | The Newland School | 4 | 12.31 | 2 q |
| MarÃa Gracia Mozó Sanhueza | San Francisco de AsÃs | 5 | 12.96 | 7 q |
| Ana Villegas Prieto | Everest | 3 | 13.25 | 10 |
| Antonella Simonetti Gebhard | Alemán de Santiago | 7 | 13.56 | 20 |
| Margarita Dulcic Cruz | Cumbres | 8 | 14.39 | 33 |
| Magdalena Sandoval Padruno | SSCC Manquehue | 2 | 14.82 | 37 |
| Blanca Balart Betinyani | San Francisco de AsÃs | 1 | DNS | |
| Catalina Carrillo A | The Grange School | 6 | DNS | |
| Serie 3 V.V. +0.8 |
| Julieta RodrÃguez Grez | Santa Úrsula | 5 | 13.15 | 9 |
| Elena Ovalle Valdes | Los Andes | 3 | 13.48 | 18 |
| Simonna Massera Ricapito | Del Sagrado Corazón - Apoquindo | 7 | 13.97 | 26 |
| Florencia Piera Jimenez | SSCC Manquehue | 8 | 14.26 | 31 |
| Emilia Alvarez Melossi | Verbo Divino - Chicureo | 1 | 15.05 | 38 |
| Roxana RamÃrez RodrÃguez | Escuela Básica Akori | 4 | DQ | |
| Florencia Martel Venegas | Curimón - San Felipe | 2 | DNS | |
| Constanza Solange Richter RamÃrez | Nuestra Señora de las Mercedes | 6 | DNS | |
| Serie 4 V.V. +0.9 |
| Francisca Carvajal Ponce | San Francisco Javier de Huechuraba | 4 | 12.45 | 4 q |
| Mila Duluc A | The Grange School | 6 | 13.44 | 16 |
| Jacinta Errazuriz Costa | Los Andes | 3 | 13.61 | 22 |
| Laura Rios Araya | Los Alerces | 8 | 14.36 | 32 |
| Belen Guzman Toundreau | Saint George's College | 1 | 14.76 | 36 |
| Paulette Barra Tapia | Internacional SEK | 2 | 15.42 | 40 |
| Ena Silva Silva | Huelén | 5 | DNS | |
| MarÃa Elisa LavÃn Hasenberg | San Anselmo | 7 | DNS | |
| Serie 5 V.V. +0.1 |
| Dominga Philipps Cares | Santa Úrsula | 4 | 12.43 | 3 q |
| Florencia Antonia Gamboni Lobos | Del Sagrado Corazón - Apoquindo | 3 | 13.36 | 13 |
| Trinidad Smith Subercaseaux | Los Alerces | 6 | 13.39 | 14 |
| Magdalena Aguirre S | San Francisco Javier de Huechuraba | 8 | 14.16 | 28 |
| Ailin Cayulao Cerda | Saint Gabriel's School | 7 | 14.19 | 29 |
| Akemi Haru Keim Maureira | Instituto Alonso de Ercilla | 2 | 15.80 | 41 |
| Constanza AnahÃs Brockway Vargas | Academia de Humanidades | 1 | DNS | |
| Camila Salvado Leon | Juanita de los Andes | 5 | DNS | |
| Serie 6 V.V. +0.1 |
| Juanita Donoso Chadwick | Santa Úrsula | 5 | 13.34 | 12 |
| Olivia Cruz Vergara | Los Andes | 6 | 13.42 | 15 |
| Blanca Iñiguez Greene | Everest | 3 | 13.44 | 17 |
| Isidora Barrenechea Federici | Saint Gabriel's School | 7 | 14.56 | 34 |
| Javiera Tala Ascencio | Saint Gabriel's School | 8 | 14.57 | 35 |
| Consuelo Teresita Fuensalida Flores | Verbo Divino - Chicureo | 1 | 15.19 | 39 |
| Javiera Morgado Moos | San Isidro | 2 | DNS | |
| Elena Oyarzun Nualart | Juanita de los Andes | 4 | DNS | |
| Serie 7 V.V. +1.3 |
| Catalina Rozas Arellano | Saint George's College | 4 | 12.20 | 1 q |
| Magdalena Hudson Yamal | San Francisco Javier de Huechuraba | 2 | 12.66 | 5 q |
| Josefina Amaro Rothamer | The Southern Cross School | 6 | 13.52 | 19 |
| Ignacia Serrano Vial | Cumbres | 3 | 13.68 | 23 |
| Constanza Monardez Zamora | La Maisonnette | 7 | 13.84 | 25 |
| MarÃa Ignacia Correa Bathel | Nazaret | 5 | 14.03 | 27 |
| Sophia Ahumada Villalobos | The Angel's School | 8 | 14.24 | 30 |