| Amparo Sofia Hozven Ponce | St. Margaret’s British School | | DNS | |
| Serie 1 |
| Josefina Cruzat Ramirez | The Mayflower School | 4 | 10.98 | 1 q |
| Javiera Antonia Guamanga Lagos | Craighouse School | 2 | 11.86 | 12 |
| Leticia Pesce Varela | Santiago College | 6 | 11.88 | 13 |
| Lola Ibañez - | Santiago College | 1 | 12.00 | 16 |
| Antonia Martínez Casas Del Valle | Trebulco School | 5 | 12.30 | 22 |
| Sofia Ropert Gomez | The Grange School | 3 | 12.53 | 26 |
| Francisca María Zamorano Aguilera | Dunalastair - Peñalolén | 8 | 13.04 | 31 |
| Isidora Antonia Corvalán Walther | Dunalastair - Peñalolén | 7 | 13.89 | 34 |
| Serie 2 |
| Maria Jose Vega Contreras | The Mayflower School | 4 | 11.49 | 4 q |
| Josefina Rischamui Diuana | The Grange School | 6 | 11.70 | 8 q |
| Agustina Bulfaro Salazar | Craighouse School | 2 | 11.91 | 14 |
| Luz Maria Maillet Elgueta | The Mayflower School | 8 | 12.34 | 24 |
| Sofia Monserrat Aedo Isla | The Wessex School - Concepción | 5 | 12.47 | 25 |
| Rocío Amanda Contreras Araneda | The Wessex School - Concepción | 7 | 13.03 | 30 |
| Ema Lanz Valdes | Bradford School | 3 | DNS | |
| Serie 3 |
| Alizee Shen Shieh | Saint Gabriel's School | 4 | 11.41 | 3 q |
| Valentina Bravo Oviedo | Trebulco School | 3 | 11.66 | 6 q |
| Rafaela Erlandsen Roberts | Craighouse School | 2 | 11.69 | 7 q |
| Javiera Zaldívar Edwards | Dunalastair - Chicureo | 8 | 11.73 | 10 |
| Rosario Castillo Birkle | Saint Gabriel's School | 5 | 12.07 | 18 |
| Francisca Sepulveda Moreno | Bradford School | 6 | 12.54 | 27 |
| Serie 4 |
| Emilia Fernandez Henriquez | Saint Gabriel's School | 4 | 11.38 | 2 q |
| Rafaela Paz Betancourt Garcia | St. Margaret’s British School | 3 | 12.02 | 17 |
| Rafaela Francolino Chotzen | The Grange School | 8 | 12.18 | 21 |
| Laura Balaresque Nattero | St. Margaret’s British School | 5 | 12.93 | 28 |
| Florencia Álvarez Mora | Dunalastair - Peñalolén | 6 | 12.94 | 29 |
| Antonia Cornejo Martin | Redland School | 7 | 13.06 | 32 |
| María Ignacia Castillo Villarroel | The Wessex School - Concepción | 2 | 13.14 | 33 |
| Serie 5 |
| Antonia Pérez Sandoval | Dunalastair - Chicureo | 7 | 11.50 | 5 q |
| Elisa Geissbuhler Pollarolo | Santiago College | 6 | 11.73 | 9 |
| Olivia Palavicini Reinoso | Bradford School | 3 | 11.83 | 11 |
| María Jose Campusano Figueroa | Redland School | 5 | 11.91 | 14 |
| Catlina Vega Arancibia | Trebulco School | 4 | 12.14 | 19 |
| Rosario Oyarzun Pinto | Redland School | 2 | 12.15 | 20 |
| Sofía Salazar Calcagno | Dunalastair - Chicureo | 8 | 12.33 | 23 |
