| Serie 1 |
| Roxana Ramírez Rodríguez | Escuela Básica Akori | 2 | 10.50 | 1 q |
| Maria Jose Pizarro Perez | Huelén | 7 | 10.80 | 3 q |
| Amparo Silva Wormull | Cumbres | 6 | 10.81 | 4 q |
| Valentina Calleja Rovira | Saint George's College | 3 | 10.89 | 7 q |
| Trinidad Martin Rodríguez | Los Alerces | 5 | 10.92 | 9 |
| María Francisca Smith Muñoz | Nazaret | 8 | 11.06 | 15 |
| Maria Trinidad Irarrázaval Alcaino | Santa Úrsula | 4 | 11.38 | 20 |
| Serie 2 |
| Lucia Iacobelli Ovalle | Los Andes | 7 | 10.71 | 2 q |
| Candelaria Blanca Vargas Silva | Everest | 8 | 10.84 | 5 q |
| Sofia Alverdi Alessandrini | Cumbres | 4 | 10.98 | 13 |
| Dominga Jordan Ulloa | Nazaret | 3 | 11.04 | 14 |
| Ana Luisa Smith Subercaseaux | Los Alerces | 6 | 11.40 | 21 |
| Dominga Claro De Iruarrizaga | Santa Úrsula | 5 | 11.94 | 23 |
| Serie 3 |
| Augusta María Ureta Álvarez | Los Alerces | 3 | 10.85 | 6 q |
| Augusta Vial Errazuriz | Los Andes | 5 | 10.93 | 10 |
| Laura Diaz Bezanilla | Everest | 7 | 11.08 | 16 |
| Maria De La Luz Zuñiga Errázuriz | Huelén | 8 | 11.19 | 18 |
| Olivia Arteaga Figueroa | Saint George's College | 4 | 11.26 | 19 |
| Margarita Errázuriz Lohmann | Cumbres | 6 | 11.44 | 22 |
| Serie 4 |
| Olivia Prieto Barros | Everest | 8 | 10.89 | 8 q |
| Maria Trinidad Cruz Irarrazaval | Los Andes | 5 | 10.94 | 11 |
| Magdalena Pizarro Gajardo | Saint George's College | 3 | 10.95 | 12 |
| Sofia Correa Bertran | Nazaret | 6 | 11.11 | 17 |
| Sofía Vidal Branth | Santa Úrsula | 7 | 13.33 | 24 |
| Florencia De La Sotta Garcia | Huelén | 4 | DNS | 25 |
