| Serie 1 |
| Bernardita Franco Rojas | Carampangue | 6 | 11.85 | 2 q |
| Clara Irarrazaval Puente | San Benito | 2 | 12.24 | 6 q |
| María Elisa Verteneul Tagle | Campanario - Buin | 5 | 12.34 | 7 |
| Julieta Rojas Corona | The Angel's School | 1 | 12.87 | 13 |
| Sofia Campos Tejos | Institución Teresiana | 3 | 13.10 | 15 |
| Antonia Sanchez Reinoso | The Greenland School | 4 | | |
| Camila Diaz Monge | Internacional SEK | 7 | | |
| Serie 2 |
| Agustina Trinidad Costa Gaete | Campanario - Buin | 6 | 11.90 | 3 q |
| Josefa Paulina Ramos Rodriguez | The Angel's School | 5 | 12.59 | 10 |
| Catalina Sabat Rodillo | San Benito | 2 | 12.61 | 11 |
| Matilda Konstantin Mora | Institución Teresiana | 1 | 13.09 | 14 |
| Emilia Mancilla Toro | Carampangue | 3 | 14.28 | 17 |
| Laura Kusch Mancilla | Internacional SEK | 4 | | |
| Fernanda Estrada Alarcon | The Greenland School | 7 | | |
| Serie 3 |
| Francesca Andrea Repetto Gutiérrez | Campanario - Buin | 7 | 11.45 | 1 q |
| Lourdes Eyzaguirre Delfau | San Benito | 6 | 12.50 | 8 |
| Valentina Bravo Oviedo | Trebulco School | 4 | 12.56 | 9 |
| Nicole Rincón Segura | Internacional SEK | 1 | | |
| Constanza Zeballos Contreras | La Misión de Calera de Tango | 2 | | |
| Isabella Dinalli Muñoz | The Greenland School | 3 | | |
| Constanza Álvarez Ríos | Carampangue | 5 | | |
| Serie 4 |
| Trinidad Paz Nuñez Van Capel | Campanario - Buin | 1 | 11.90 | 4 q |
| Matilde Melgarejo Cortes | Saint James School | 3 | 12.06 | 5 q |
| Sofía Mancilla Toro | Carampangue | 7 | 12.65 | 12 |
| Amanda Espejo Del Villar | Trebulco School | 2 | 13.35 | 16 |
| Sara Elizabeth Jhon Pino | Manquecura - Ciudad de los Valles | 4 | 14.35 | 18 |
| Colomba Tapia Aguirre | The Angel's School | 5 | | |
| Sofia Barrera Mendez | The Greenland School | 6 | | |
