| Serie 1 |
| Constanza Aguero Merino | Atlético Quilamapu | 5 | 11.42 | 1 q |
| Victoria Elisa Ferrada Rayo | Atletas Senior Chillán | 7 | 12.36 | 7 q |
| Maria Fernanda Serrano Muñoz | Atlético Quilamapu | 8 | 12.53 | 10 |
| Ayrin Zolanyel Rosales Fanay | Atlético Aves | 4 | 13.03 | 12 |
| Amanda Alejandra Sanhueza Jiménez | Atlético Olimpo Chiguayante | 3 | DNS | |
| Aurora Cisterna Castaldini | Atlético Olimpo Chiguayante | 6 | DNS | |
| Serie 2 |
| Maria Rosario Canahuate Muñoz | Atlético Quilamapu | 4 | 11.68 | 2 q |
| Emilia Antonia Fuentes Vasquez | Atlético Quilamapu | 8 | 11.99 | 4 q |
| Antonia Beatriz Wulf Mondaca | Atlético San Nicolás | 3 | 12.01 | 5 q |
| Taira Isidora Acevedo Reyes | Atlético Quilamapu | 6 | 12.45 | 9 |
| Josefa Ignacia Roca Leiva | Atlético San Nicolás | 7 | 12.88 | 11 |
| Emilia Retamal Erratchou | Atlético Quilamapu | 5 | DNS | |
| Serie 3 |
| Maria Gracia Quezada Dittus | Atlético Olimpo Chiguayante | 4 | 11.84 | 3 q |
| Rosario Ainardi Garrido | Atlético Quilamapu | 3 | 12.18 | 6 q |
| Clara De Marchena Carlin | Atlético Quilamapu | 5 | 12.40 | 8 q |
| Maria Jesus Lara Salazar | Atletismo Cauquenes | 8 | 13.04 | 13 |
| Blanca Antonia ManrĂquez San MartĂn | AtlĂ©tico Olimpo Chiguayante | 6 | DNS | |
| Trinidad Valenzuela Caro | Atlético Ñuble | 7 | DNS | |
