| Serie 1 |
| Leonor Ferreiro Hurtado | Saint George's College | 4 | 11.77 (CR) | 1 q |
| Estela Veas Quitral | Instituto Inglés de Rancagua | 3 | 12.47 | 4 q |
| Sofia Alverdi Alessandrini | Cumbres | 5 | 12.49 | 5 q |
| Fernanda Larrain Jullian | San Anselmo | 7 | 13.27 | 14 |
| Laura Soumastre Musre | Saint George's College | 6 | 13.31 | 15 |
| Paula Mahave La Rivera | Del Sagrado Corazón - Apoquindo | 8 | 13.85 | 19 |
| Macarena Rojas Sepúlveda | Saint Gabriel's School | 2 | 14.84 | 28 |
| Macarena Pedraza Irarrázabal | The Newland School | 1 | DNS | |
| Serie 2 |
| Emilia Paz Belmar Ventura | Mayor - Peñalolen | 3 | 11.97 | 2 q |
| Ana María Leyton Vial | Cumbres | 4 | 12.06 | 3 q |
| Antonia Massanes García Huidobro | Villa María Academy | 6 | 13.44 | 16 |
| Catalina Cruz Mozo | Nazaret | 7 | 14.01 | 23 |
| Beatriz Del Pilar Gonzalez Rubio | Instituto O'Higgins de Rancagua | 8 | 14.34 | 25 |
| Josefa Paz Ferreira Riveros | Montessori de Talca | 2 | 15.05 | 30 |
| Carolina Torrealba Cataldo | Saint John's Villa Academy | 1 | DNS | |
| Maria Gracia Montes Undurraga | Nazaret | 5 | DNS | |
| Serie 3 |
| Blanca Larrain Hamel | San Anselmo | 5 | 12.68 | 6 q |
| Matilde Medina Barra | Instituto Inglés de Rancagua | 3 | 12.73 | 8 q |
| Catalina Barrientos Crispieri | Lirima | 4 | 12.75 | 9 |
| Amalia Castillo Alcalde | Los Alerces | 6 | 13.85 | 20 |
| Florencia Carrasco Bravo | The Southern Cross School | 7 | 13.95 | 21 |
| Sofia Tagle Reyman | SSCC Manquehue | 8 | 14.12 | 24 |
| Guadalupe De La Cerda Errázuriz | Nazaret | 2 | 15.03 | 29 |
| Fiorella Antonia Vargas Binchi | Instituto Santa María - Limache | 1 | 17.64 | 34 |
| Serie 4 |
| Ana Lewin Schaeffer | Villa María Academy | 4 | 12.68 | 7 q |
| Elisa Mina Errazuriz | Saint George's College | 8 | 12.84 | 11 |
| Amalia Cruzat Vial | Los Andes | 7 | 13.13 | 13 |
| Monserrat Arias Mora | Santa María de Belén | 5 | 13.56 | 18 |
| Javiera Valentina Rodríguez Chávez | La Cruz de Machalí | 2 | 15.06 | 31 |
| Trinidad Guzmán Prado | La Cruz de Machalí | 1 | 16.68 | 32 |
| Blanca Vidaurre Valenzuela | Saint George's College | 3 | DNS | |
| Lourdes Aguero Ureta | Los Andes | 6 | DNS | |
| Serie 5 |
| Emilia Hayler Browne | San Benito | 1 | 12.83 | 10 |
| Colomba Llodrá Frauenberg | Saint George's College | 4 | 12.85 | 12 |
| Ignacia Belen Mitchell San Martin | Manuel Larrain - Curicó | 5 | 13.47 | 17 |
| Rocio Yarur Molina | Los Andes | 7 | 13.98 | 22 |
| Matilde Montero López | Villa María Academy | 6 | 14.55 | 26 |
| Dominga Robles Aguirre | Saint George's College | 3 | 14.59 | 27 |
| Ignacia Montoya Retamales | Iquique Young School | 2 | 16.79 | 33 |
| Josefina Cruzat Ramirez | The Mayflower School | 8 | DNS | |
