| Serie 1 |
| Antonia Belén Ramirez Muñoz | Saint George's College | 4 | 12.32 | 1 q |
| Esperanza Schaffer Correa | Saint Gabriel's School | 5 | 13.09 | 5 q |
| Josefa Irarrazaval Riesco | Los Andes | 3 | 13.50 | 9 |
| Martina Zuñiga Arro | Everest | 6 | 13.85 | 15 |
| Yester Avila Salas | Escuela AnÃbal Pinto - Cauquenes | 7 | 14.00 | 20 |
| Rafaella Velasco Dellarossa | The International School La Serena | 8 | 14.07 | 21 |
| Maria Magdalena Vial Guzman | Nazaret | 1 | DNS | |
| Sofia Amunategui Uriarte | Villa MarÃa Academy | 2 | DNS | |
| Serie 2 |
| SofÃa Figueroa Ivovich | San Benito | 4 | 13.00 | 3 q |
| Amelia Frances Mary Pitt Quinton | Huelén | 5 | 13.26 | 7 q |
| Mariana Ovalle Valdes | Los Andes | 3 | 13.66 | 13 |
| MarÃa José Munita Prats | Los Alerces | 6 | 13.99 | 18 |
| Trinidad Marino Maluk | Everest | 2 | 14.15 | 22 |
| Maria Teresa Requena Rojas | Liceo Bicentenario Zapallar de Curicó | 7 | 14.41 | 26 |
| Emilia Parot Mendez | Los Alerces | 8 | 14.53 | 30 |
| Serie 3 |
| Constanza Mardonez Eyzaguirre | Saint George's College | 4 | 13.40 | 8 q |
| Ena Silva Silva | Huelén | 5 | 13.58 | 11 |
| Manuela Gordon Lustig | Saint George's College | 2 | 13.96 | 16 |
| Clarita Escudero Fernandez | Los Alerces | 3 | 13.99 | 19 |
| Isidora Barrenechea Federici | Saint Gabriel's School | 6 | 14.29 | 25 |
| Rocio Ignacia Enriquez Hormazabal | Instituto O'Higgins de Rancagua | 8 | 14.45 | 27 |
| Maria Alday Coddou | Villa MarÃa Academy | 7 | DNS | |
| Serie 4 |
| Sofia Segura Tupper | The Newland School | 4 | 12.93 | 2 q |
| Magdalena Lagos Diaz | Huelén | 5 | 13.65 | 12 |
| Emilia Araya Fuentes | Juanita de los Andes | 6 | 13.78 | 14 |
| Martina Baeza Anguita | San Isidro | 7 | 14.19 | 23 |
| Javiera Antonia Mogollon Galindo | La Misión de Calera de Tango | 8 | 14.45 | 28 |
| Emilia Quiroga Eguiguren | Juanita de los Andes | 2 | 14.98 | 34 |
| Mila Solari Buvinic | The Newland School | 3 | DNS | |
| Serie 5 |
| Maria Ignacia Ruiz Moreno Lagos | Los Andes | 4 | 13.12 | 6 q |
| Clarisa Boetsch Hoeussler | Villa MarÃa Academy | 3 | 14.19 | 24 |
| Dominga Garcia Von Chrismar | Everest | 7 | 14.47 | 29 |
| Matilde Tapia Pantoja | Saint Gabriel's School | 6 | 14.56 | 31 |
| Camila Andrea Mogollon Galindo | La Misión de Calera de Tango | 8 | 14.64 | 32 |
| Mikaela Andrea Smith Burgos | MarÃa Inmaculada de Santiago | 2 | DNS | |
| Jacinta Dominguez Urrejola | San Anselmo | 5 | DNS | |
| Serie 6 |
| Martina Mariné Durandeau | Cumbres | 4 | 13.01 | 4 q |
| Mila Duluc A | The Grange School | 5 | 13.51 | 10 |
| Nicole Schmidt A | The Grange School | 3 | 13.98 | 17 |
| Jacinta Pumarino Zambrano | Juanita de los Andes | 6 | 14.64 | 33 |
| Martina Prida Maruri | San Isidro | 2 | DNS | |
| Agustina Maria Escala Peña | La Misión de Calera de Tango | 7 | DNS | |
| Olivia Lyon Gaete | San Isidro | 8 | DNS | |
