| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Final | ||||
| Antonia Belén Ramirez Muñoz | Saint George's College | 4 | 12.28 | 1 |
| Sofia Segura Tupper | The Newland School | 5 | 12.65 | 2 |
| Maria Magdalena Vial Guzman | Nazaret | 7 | 12.69 | 3 |
| Antonia Ignacia Fernández Honorato | Alborada de Curauma | 3 | 12.73 | 4 |
| Isidora Albornoz Urrutia | Alcázar - Las Condes | 6 | 12.78 | 5 |
| Constanza Mardonez Eyzaguirre | Saint George's College | 8 | 12.85 | 6 |
| Josefa Candia Villa | Concepción de Chillán | 2 | 13.23 | 7 |
| Josefa Irarrazaval Riesco | Los Andes | 1 | 13.23 | 8 |
