| Serie 1 |
| Belen Zalaquett McKay | San Anselmo | 4 | 10.07 | 1 q |
| Matilde Ruiz Valle | Del Sagrado Corazón - Apoquindo | 8 | 10.43 | 2 q |
| Sofia Irarrazabal Pagola | Los Alerces | 2 | 10.50 | 3 q |
| Josefa Garcia Undurraga | San Anselmo | 5 | 10.62 | 4 |
| Teresita Latorre Dunsmore | Los Alerces | 1 | 10.69 | 5 |
| María Sofía Larraín Varela | Nazaret | 3 | 11.20 | 6 |
| Agustina Ureta Inglesi | Los Andes | 6 | | |
| María Teresa Cury Pérez | Nazaret | 7 | | |
| Serie 2 |
| Gracia Cruz Palma | Del Sagrado Corazón - Apoquindo | 2 | 10.04 | 1 q |
| Victoria Herceg Lacalle | Saint George's College | 5 | 10.26 | 2 q |
| Clara Mardonez Eyzaguirre | Saint George's College | 4 | 10.26 | 3 q |
| Rafaella Pisano Fourcade | Los Alerces | 8 | 10.53 | 4 q |
| Matilde Muñoz Quiroz | Saint George's College | 6 | 11.49 | 5 |
| Maria Jose Silva Vivanco | SSCC Manquehue | 3 | 11.84 | 6 |
| Maria Magdalena Berguecio Pozo | Nazaret | 7 | 12.02 | 7 |
| Serie 3 |
| Isidora Paz Fuentes Martinez | SSCC Manquehue | 4 | 10.60 | 1 q |
| Javiera Navarrete Soto | Del Sagrado Corazón - Apoquindo | 2 | 10.80 | 2 |
| Agustina Cases Castillo | Santa Úrsula | 8 | 11.05 | 3 |
| Catalina Garmendia Pascal | Santa Úrsula | 7 | 11.18 | 4 |
| Sofia Paz Venegas San Martin | SSCC Manquehue | 5 | 11.39 | 5 |
| Sofia Arriagada Bengolea | Los Andes | 6 | 11.40 | 6 |
| Maria Eyzaguirre Rivadeneira | Los Andes | 3 | 12.55 | 7 |
