| Atleta | Colegio | Pista | Resultado | Lugar |
|---|---|---|---|---|
| Serie 1 | ||||
| Elisa Colossi Beytia | Everest | 3 | 9.91 | 1 q |
| Maria Iranzú Valdéz Álvarez De Eulate | Saint George's College | 7 | 10.29 | 5 q |
| Lucia Iacobelli Ovalle | Los Andes | 4 | 10.82 | 13 |
| Dominga Bello Undurraga | Los Alerces | 2 | 10.86 | 14 |
| Magdalena Palma Edwards | Santa Úrsula | 6 | 10.93 | 16 |
| Malena Mallea Fernandez | SSCC Manquehue | 5 | 11.16 | 18 |
| Florencia Lira Olivier | Cumbres | 8 | 11.49 | 20 |
| Serie 2 | ||||
| Amalia Cruzat Vial | Los Andes | 8 | 9.99 | 2 q |
| Blanca Vidaurre Valenzuela | Saint George's College | 4 | 10.23 | 4 q |
| Amparo Silva Wormull | Cumbres | 2 | 10.47 | 7 q |
| Luisa Molina Demaria | Los Alerces | 7 | 10.78 | 11 |
| Ma Trinidad Benavente Ruiz-Tagle | Everest | 5 | 10.87 | 15 |
| Manuela Muñoz Petersen | SSCC Manquehue | 3 | 11.24 | 19 |
| Serie 3 | ||||
| Maria Gracia Montes Undurraga | Nazaret | 6 | 10.06 | 3 q |
| Isidora Videla Lopez | SSCC Manquehue | 7 | 10.33 | 6 q |
| Sofia Alverdi Alessandrini | Cumbres | 2 | 10.48 | 8 q |
| Violeta Claro García | Los Alerces | 4 | 10.56 | 9 |
| Elisa Mina Errazuriz | Saint George's College | 8 | 10.67 | 10 |
| Maria Gracia Grebe Errazuriz | Los Andes | 5 | 10.79 | 12 |
| Laura Diaz Bezanilla | Everest | 3 | 11.07 | 17 |
