| Serie 1 |
| Barbara Carrasco Garcia | SSCC Alameda | 1 | 10.69 | 1 q |
| Pascal Valenzuela Bruce | Saint George's College | 5 | 10.70 | 2 q |
| Camila Tavonatti Gómez | Nazaret | 3 | 10.88 | 3 q |
| Esperanza Garcia Tapia | Del Sagrado Corazón - Apoquindo | 4 | 10.92 | 4 q |
| Antonia Hurtado Vial | Los Alerces | 2 | 11.08 | 5 q |
| Constanza Luco Manriquez | Los Andes | 6 | 11.20 | 6 |
| Amparo Anguita Escalante | Saint George's College | 8 | 11.26 | 7 |
| Agustina Rosales Correa | Nazaret | 7 | 11.37 | 8 |
| Serie 2 |
| Clara Mardonez Eyzaguirre | Saint George's College | 3 | 11.16 | 1 q |
| Maritxu Belaustegui Paravich | San Anselmo | 4 | 11.19 | 2 |
| Ximena Maria Fernandez Suspichiatti | Los Andes | 7 | 11.21 | 3 |
| Josefa Garcia Undurraga | San Anselmo | 6 | 11.30 | 4 |
| Clara Lagos Concha | Santa Úrsula | 1 | 11.33 | 5 |
| Valentina Morandé Leyton | Santa Úrsula | 2 | 11.41 | 6 |
| Rosario Bernier Araya | SSCC Manquehue | 5 | 11.53 | 7 |
| Josefina Campos Bessone | Nazaret | 8 | 11.97 | 8 |
| Serie 3 |
| Maria De Los Angeles Cheyre Astaburuaga | Los Alerces | 2 | 10.89 | 1 q |
| Teresita Echeverría Larrain | Los Alerces | 1 | 10.98 | 2 q |
| Gracia Cruz Palma | Del Sagrado Corazón - Apoquindo | 4 | 11.16 | 3 q |
| Maria Cristina Barros Morán | Los Andes | 3 | 11.43 | 4 |
| Ignacia María Lavín Vallejos | San Anselmo | 6 | 11.59 | 5 |
| Montserrat Amelia Correa Valencia | SSCC Manquehue | 7 | 11.64 | 6 |
| Matilde Perez Barria | SSCC Manquehue | 8 | 12.28 | 7 |
| Sofia Zambrano Ip | Del Sagrado Corazón - Apoquindo | 5 | | |
