| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Final | ||||
| Laura Wood Lewin | SSCC Manquehue | 3 | 11.20 | 1 |
| Colomba Llodrá Frauenberg | Saint George's College | 4 | 11.25 | 2 |
| Olivia Arteaga Figueroa | Saint George's College | 6 | 11.34 | 3 |
| Isabel Lampasona Humphreys | Saint George's College | 2 | 11.47 | 4 |
| Catalina Corrada Simian | Alianza Francesa | 5 | 11.47 | 5 |
| Isidora Verni Gimeno | SSCC Manquehue | 1 | 11.50 | 6 |
