| Serie 1 |
| Catalina Ignacia Reyes Martinez | Instituto O'Higgins de Rancagua | 2 | 11.04 | 4 q |
| Trinidad Perez Arriagada | Atlético Ñuble | 1 | 11.64 | 11 |
| Leticia Manuela Duperat Duperat | Nicolás Carvajal - Talagante | 4 | 11.86 | 13 |
| Agustina Figueroa Sommer | Universidad Católica | 3 | 11.88 | 14 |
| Agustina Gil Schulz | Manquehue | 7 | 11.97 | 15 |
| Trinidad Gutierrez Castro | Del Sagrado Corazón - Apoquindo | 8 | 12.20 | 17 |
| Mayte Ahumada Bocaz | Manquehue | 6 | 12.97 | 25 |
| Paloma Antonella Veloso Veloso | Saint Louis School - Maipú | 5 | DNS | |
| Serie 2 |
| Florencia Belen De La Camara Gonzalez | Instituto O'Higgins de Rancagua | 7 | 10.98 | 3 q |
| Martina Carrion Strul | Universidad Católica | 6 | 11.43 | 8 q |
| Araceli Pavez Osorio | Atlético Francés | 4 | 11.47 | 10 |
| Agata Luna Galimberti Valencia | SSCC Alameda | 1 | 11.81 | 12 |
| Rocio Álvarez Espinoza | Atlético Ñuble | 2 | DNS | |
| Isidora Mobarec Cabrera | Del Sagrado Corazón - Apoquindo | 3 | DNS | |
| Constanza Hübner Ramirez | Manquehue | 5 | DNS | |
| Amelia Ibañez A | The Grange School | 8 | DNS | |
| Serie 3 |
| Yael Inge Nazal Cazor | Atlético Ñuble | 8 | 10.55 | 1 q |
| Sofía Ávalos Murillo | Universidad Católica | 2 | 11.27 | 5 q |
| Isabel Greene A | The Grange School | 6 | 11.28 | 6 q |
| Antonella Paz Alvarez Toledo | Atlético Francés | 7 | 12.48 | 21 |
| Florencia Almizry Blanch | Manquehue | 1 | 12.62 | 23 |
| Trinidad Angulo Roman | Atletismo de Machalí | 4 | 12.77 | 24 |
| Jacinta Couso Hermosilla | Del Sagrado Corazón - Apoquindo | 5 | 13.59 | 26 |
| Francesca Alabarce Constanzo | SSCC Alameda | 3 | DNS | |
| Serie 4 |
| María Consuelo Berger García | Manquehue | 3 | 11.40 | 7 q |
| Marina Huerta Raab | The Grange School | 7 | 11.46 | 9 |
| Camila Goich Hernández | Del Sagrado Corazón - Apoquindo | 4 | 12.29 | 18 |
| Antonella Paz Arruez Cea | Atlético Ñuble | 6 | 12.30 | 19 |
| Agustina Jesus Sommella Castro | Universidad Católica | 1 | 12.46 | 20 |
| Florencia Soto Arriagada | SSCC Alameda | 2 | 12.60 | 22 |
| Ignacia Gajardo Ariztia | Del Sagrado Corazón - Apoquindo | 5 | DNS | |
| Serie 5 |
| Isabella Luzzi Reichert | Manquehue | 5 | 10.83 | 2 q |
| Josefa Isabel Diez Mella | Atlético Francés | 2 | 12.09 | 16 |
