| Serie 1 |
| Mathilde Sandrock Cox | Alemán de Santiago | 2 | 9.92 | 1 q |
| Amanda Gil Saragoni | Alemán de Santiago | 6 | 10.16 | 2 q |
| Maria Gracia Prieto Correa | San Benito | 1 | 10.50 | 3 q |
| Teresa De Jesus Rodriguez Balart | Los Andes | 4 | 11.32 | 4 |
| Mikaela Francisca Prades Li | The English Institute | 5 | 11.83 | 5 |
| SofĂa Elgueta Irarrázabal | Juanita de los Andes | 3 | DNS | |
| Serie 2 |
| Amalia Baboun Meschede | Nazaret | 3 | 10.65 (10.6449) | 1 q |
| Valentina Cisneros Del Fierro | San Francisco Javier de Huechuraba | 4 | 10.97 | 2 q |
| Clara Illanes Correa | Villa MarĂa Academy | 1 | 11.03 | 3 q |
| Maria Jose Eguiguren Bustamante | Everest | 2 | 11.05 | 4 q |
| Agustina Ureta Inglesi | Los Andes | 5 | 11.09 | 5 q |
| Cecilia Pisani Pisani | Everest | 6 | DNS | |
| Serie 3 |
| Josefa Irarrazaval Riesco | Los Andes | 4 | 10.65 (10.6445) | 1 q |
| Mar Jimenez Millan | Internacional SEK | 1 | 11.15 | 2 q |
| Maria Magdalena Berguecio Pozo | Nazaret | 5 | 11.94 | 3 |
| Sofia Forgas Lacoma | Internacional SEK | 2 | DNS | |
| Olivia Salinas Egaña | Everest | 3 | DNS | |
| Isidora Gamboa Allende | San Francisco Javier de Huechuraba | 6 | DNS | |
| Serie 4 |
| Martina Lloves RodrĂguez | San Benito | 4 | 11.56 | 1 |
| Macarena Domeyko OlavarrĂa | San Benito | 2 | 11.67 | 2 |
| Isidora Antonia RamĂrez Muñoz | The English Institute | 3 | 12.26 | 3 |
| Ena Silva Silva | Huelén | 6 | 12.50 | 4 |
| Amanda CantĂn Fazzi | Alemán de Santiago | 1 | DNS | |
| Sara Decombe Izquierdo | Nazaret | 5 | DNS | |
| Serie 5 |
| Bernardita Aspillaga Mujica | Villa MarĂa Academy | 3 | 10.40 | 1 q |
| Javiera Ignacia GarcĂa Oliva | San Francisco Javier de Huechuraba | 5 | 10.75 | 2 q |
| Josefina MarĂa Varas Barros | San Anselmo | 6 | 11.29 | 3 |
| Maria Alday Coddou | Villa MarĂa Academy | 4 | 11.30 | 4 |
| Antonia Del Pilar DĂ©lano Urrutia | San Anselmo | 2 | 12.79 | 5 |
| Josefina Jara Muñoz | Juanita de los Andes | 1 | | |
