| Serie 1 |
| Florencia Maria Paz Ortigosa Pecchi | Saint John's School - Concepción | 4 | 12.84 | 1 q |
| Daniela José González Loyola | Craighouse School | 2 | 13.43 | 2 q |
| Eileen Volker Orfali | St. Margaret’s British School | 7 | 13.84 | 5 q |
| Vicenta Jorquera Rojas | Santiago College | 1 | 14.15 | 7 q |
| Constanza Gómez Valdés | Trebulco School | 5 | 14.58 | 14 |
| Sofía Mahuzier Sotomayor | Craighouse School | 8 | 15.25 | 22 |
| Agustina Garcia Arteaga | Saint John's School - Concepción | 6 | 18.32 | 27 |
| Belen Aristizabal Llamazares | The Mayflower School | 3 | DNF | |
| Serie 2 |
| Antonia Sofía Villaseca Clavel | The Wessex School - Concepción | 4 | 13.96 | 6 q |
| Belen Soubiran Riedel | The Mayflower School | 5 | 14.44 | 12 |
| Amanda Sophia Helm Montenegro | Santiago College | 7 | 14.72 | 15 |
| Constanza Melo Gaete | Trebulco School | 2 | 14.81 | 17 |
| Pilar Nuñez Tacon | Bradford School | 1 | 15.98 | 25 |
| Josefa Antonia Pérez Martínez | St. Margaret’s British School | 3 | | |
| Trinidad Barrios Roccatagliata | Dunalastair - Peñalolén | 6 | | |
| Victoria Paz Arrieta Mesías | Bradford School | 8 | | |
| Serie 3 |
| Valentina Sofía González Acosta | St. Margaret’s British School | 1 | 13.57 | 3 q |
| Valentina Figueroa Gutierrez | Saint Gabriel's School | 4 | 13.81 | 4 q |
| Yilin Huang Luo | Saint Gabriel's School | 5 | 14.26 | 9 |
| Sofía Baraqui Ledezma | Trebulco School | 2 | 14.81 | 18 |
| Josefina Macho Lean | The Mayflower School | 6 | 15.01 | 20 |
| María Jesús Thiel Pizarro | Dunalastair - Chicureo | 8 | 15.24 | 21 |
| Barbara Molina González | Dunalastair - Peñalolén | 7 | 15.60 | 24 |
| Angelina Almendra Carpo Dietert | The Wessex School - Concepción | 3 | 15.98 | 26 |
| Serie 4 |
| Josefa Lüders Pilasi | Craighouse School | 3 | 14.25 | 8 q |
| Kelly Mendoza Chavez | Saint John's School - Concepción | 8 | 14.31 | 10 |
| Valeria Trujillo Góngora | Saint Gabriel's School | 4 | 14.40 | 11 |
| Trinidad Alcérreca Del Rio | Dunalastair - Chicureo | 2 | 14.50 | 13 |
| Rosario Valenzuela Pizarro | Dunalastair - Peñalolén | 1 | 14.76 | 16 |
| Trinidad Allel Saffie | Santiago College | 7 | 14.85 | 19 |
| Catalina Ignacia Varela León | Dunalastair - Chicureo | 6 | 15.43 | 23 |
| Esperanza Marín Ahumada | Bradford School | 5 | DNS | |
