| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Final V.V. +0.5 | ||||
| Catalina Rozas Arellano | Saint George's College | 4 | 12.02 | 1 |
| Isidora Del Rosario Corada Vives | Andrée English School | 5 | 12.36 | 2 |
| Beatriz Doren Infante | San Benito | 6 | 12.79 | 3 |
| Francisca Luengo Larrain | Juanita de los Andes | 7 | 12.88 | 4 |
| Camila Salvado Leon | Juanita de los Andes | 8 | 12.89 | 5 |
| Jacinta Errazuriz Costa | Los Andes | 1 | 12.93 | 6 |
| Trinidad Smith Subercaseaux | Los Alerces | 2 | 12.95 | 7 |
| Sofia Segura Tupper | The Newland School | 3 | DNS | |
