| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Catalina Rozas Arellano | Saint George's College | 3 | 10.12 | 1 q |
| Macarena Teresita Irarrazaval Valdes | Los Andes | 2 | 10.26 | 2 q |
| Pilar Dominguez Gines | Nazaret | 8 | 10.75 | 3 q |
| Maria Guzman Salinas | Los Alerces | 1 | 10.92 | 5 q |
| Maria Gracia Barbosa Barcelo | Everest | 7 | 11.01 | 6 q |
| Emilia Cañas Gonzalez | SSCC Manquehue | 5 | 11.39 | 13 |
| Margarita Dulcic Cruz | Cumbres | 6 | 11.47 | 16 |
| Amalia Diaz Schmidt | San Anselmo | 4 | 12.64 | 21 |
| Serie 2 | ||||
| Elisa Lara Cifuente | Saint George's College | 3 | 11.13 | 7 q |
| Margarita Cox Monckeberg | Los Alerces | 7 | 11.19 | 9 |
| Elisa Perez Barria | SSCC Manquehue | 4 | 11.20 | 10 |
| Barbara Cummins Dominguez | Everest | 1 | 11.41 | 14 |
| Ignacia Stefanelli Fuenzalida | Nazaret | 6 | 11.71 | 17 |
| Bernardita Infante Cifuentes | San Anselmo | 5 | 11.74 | 18 |
| Clara Maria Urrejola Irarrazabal | Los Andes | 8 | 12.01 | 19 |
| Ignacia Cueto Astudillo | Cumbres | 2 | ||
| Serie 3 | ||||
| Sofia Manguyague Cruz | Everest | 6 | 10.76 | 4 q |
| Ana Undurraga Fuenzalida | Los Andes | 2 | 11.15 | 8 q |
| Josefa Ramirez Aldunate | Saint George's College | 3 | 11.24 | 11 |
| Trinidad Rojas DÃaz | San Anselmo | 4 | 11.26 | 12 |
| Trinidad Bulnes Del Campo | Los Alerces | 7 | 11.44 | 15 |
| Belen Sajuria Sordo | Nazaret | 5 | 12.44 | 20 |
| Martina Molina Aguilera | Montessori de Talca | 8 | ||