| Serie 1 |
| Matilde Sofía Tejos Florenzano | Everest | 6 | 11.06 | q |
| Sara Decombe Izquierdo | Nazaret | 2 | 11.11 (11.1011) | q |
| Elisa Jaramillo Bustamante | Saint George's College | 5 | 11.22 | |
| Liat Rosemblatt Bustamante | Instituto Hebreo | 3 | 11.77 | |
| Rosario Guadalupe Figueroa Delano | San Anselmo | 1 | 11.92 (11.917) | |
| Magdalena Aguirre S | San Francisco Javier de Huechuraba | 4 | 12.04 | |
| Serie 2 |
| Jacinta Dominguez Urrejola | San Anselmo | 4 | 11.04 | q |
| Francisca Carvajal Ponce | San Francisco Javier de Huechuraba | 6 | 11.16 | |
| Gracia Valdés Weber | San Benito | 2 | 11.47 | |
| Milagros Castro Feijoo | Everest | 1 | 11.59 | |
| Pilar Dominguez Gines | Nazaret | 3 | 12.23 | |
| Elisa Zwanzger Siminic | Alemán de Santiago | 5 | 13.29 | |
| Serie 3 |
| Sofía Figueroa Ivovich | San Benito | 2 | 11.11 (11.1015) | q |
| Magdalena Hudson Yamal | San Francisco Javier de Huechuraba | 4 | 11.23 | |
| Franka Mittelstrass M | Alemán de Santiago | 1 | 11.76 | |
| Colomba Edwards Barthou | Everest | 6 | 11.80 | |
| Ángela Larraín Larraín | San Francisco de Asís | 5 | 11.90 | |
| Belen Sajuria Sordo | Nazaret | 3 | 12.22 | |
| Serie 4 |
| Antonia Ochagavía Torres | Santa Úrsula | 2 | 10.92 | q |
| Amanda Lewin Pacheco | San Benito | 3 | 11.00 | q |
| Emilia Mujaes Jacob | Alemán de Santiago | 1 | 11.10 | q |
| Rosa De La Maza De La Cerda | Villa María Academy | 5 | 11.29 | |
| Ena Silva Silva | Huelén | 6 | 11.54 | |
| Amelia Lustig Lira | San Francisco de Asís | 4 | 11.82 | |
| Serie 5 |
| Blanca Yarur Junemann | Los Alerces | 4 | 10.64 | q |
| Colomba Kuscevic Jaramillo | Villa María Academy | 1 | 10.82 | q |
| Josefina Pizarro Suazo | Huelén | 3 | 11.13 | |
| Macarena Álvarez Reyes | Santa Úrsula | 5 | 11.15 | |
| María Francisca De Bonnafos Ovalle | San Francisco de Asís | 6 | 11.50 | |
| Rebecca Watznauer Van Praag | Alemán de Santiago | 2 | 11.83 | |
| Serie 6 |
| Maria Ignacia Ruiz Moreno Lagos | Los Andes | 6 | 10.98 | q |
| Magdalena Lagos Diaz | Huelén | 2 | 11.12 | |
| Matilde Fernandez Morande | Los Alerces | 1 | 11.37 (11.361) | |
| Antonia Ruiz De Gamboa Quijada | Villa María Academy | 4 | 11.51 | |
| Ignacia San Martin Drouilly | SSCC Manquehue | 5 | 12.07 | |
| Valentina Anania Farias | Juanita de los Andes | 3 | 12.63 | |
| Serie 7 |
| Agustina Moreno Mazzarelli | SSCC Manquehue | 4 | 11.19 | |
| Maria Guzman Salinas | Los Alerces | 5 | 11.37 (11.369) | |
| Amalia Guzman Tondreau | Saint George's College | 6 | 11.49 | |
| Amanda Bravo Calderon | Juanita de los Andes | 2 | 11.73 | |
| Pascale Vergara Cox | The Grange School | 3 | 11.86 | |
| Margarita Santini Carvajal | Los Andes | 1 | 11.92 (11.915) | |
| Serie 8 |
| Simone Montegu Montanari | SSCC Manquehue | 2 | 10.69 | q |
| Antonia Belén Ramirez Muñoz | Saint George's College | 5 | 11.09 | q |
| Emilia Araya Fuentes | Juanita de los Andes | 6 | 11.60 | |
| Ignacia Vergara Aldunate | Los Andes | 4 | 12.01 | |
| Dominga Giner Siegel | San Anselmo | 1 | | |
| Sara Heinrich Valenzuela | Instituto Hebreo | 3 | | |
