| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Final | ||||
| Amalia Tagle Bier | Santa Úrsula | 4 | 11.78 | 1 |
| Florencia De La Sotta Garcia | Los Alerces | 5 | 12.11 | 2 |
| Martina Simonetti Miquel | Saint George's College | 2 | 12.21 | 3 |
| Analia Fernanda Arriagada Maureira | San José - Parral | 3 | 12.23 | 4 |
| Catalina Barrientos Crispieri | Lirima | 7 | 12.32 | 5 |
| Violeta Sepulveda Valenzuela | The Mayflower School | 6 | 12.36 | 6 |
| Magdalena GarcÃa-Huidobro Cartwright | Everest | 1 | 12.75 | 7 |
| Olivia Rojas López | San Ignacio El Bosque | 8 | 12.82 | 8 |
