| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| María Jesús Gualda Urriticoechea | San Isidro | 6 | ||
| María Jesús Gualda Urriticoechea | San Isidro | 7 | ||
| Final | ||||
| Francesca Andrea Repetto Gutiérrez | Campanario - Buin | 4 | 9.25 | 1 |
| Montserrat Antonia Rojas Hoffmann | Instituto Alonso de Ercilla | 3 | 9.33 | 2 |
| Bernardita Franco Rojas | Carampangue | 5 | 9.40 | 3 |
| Josefina Retamal Toledo | The English Institute | 6 | 9.57 | 4 |
| Laura Patricia Perez Solano | Institución Teresiana | 2 | 9.70 | 5 |
| Anita Benavente Seeger | San Isidro | 1 | DNF | |
