| Serie 1 |
| Pilar Rodríguez Mendes | Maitenes | 5 | 9.21 | q |
| Isidora Fernanda Zamudio Marquez | Instituto Alonso de Ercilla | 4 | 9.74 | q |
| Fabiana Ahumada Lima | Institución Teresiana | 6 | 9.94 | |
| María José Atal Albers | San Isidro | 3 | 10.00 | |
| Alejandra Undurraga Pfingsthorn | La Cruz de Machalí | 2 | 10.31 | |
| Josefina Eyzaguirre Elmaleh | Instituto Hebreo | 1 | | |
| Serie 2 |
| Martina Isadora Candia Pavez | Instituto Alonso de Ercilla | 6 | 9.75 | q |
| Magdalena Cruz Guzman | Highlands | 2 | 10.35 | |
| Juanita Fernandez Moreno | Villa María Academy | 5 | 10.39 | |
| Victoria Aresti Troncoso | Villa María Academy | 3 | 10.62 | |
| María Fernanda Montes García | San Francisco de Paine | 4 | 11.33 | |
| María Gracia Lecaros Villarroel | San Isidro | 1 | 11.36 | |
| Serie 3 |
| Colomba Gana Hollemart | Maitenes | 1 | 9.92 | |
| Francisca Gonzalez Arellano | Institución Teresiana | 2 | 10.69 | |
| Agustina Antonia Sanchez Marticorena | San Francisco de Paine | 6 | 10.83 | |
| Caetana Fuentes Martinez | Institución Teresiana | 4 | 10.97 | |
| Gabriela Isidora Troncoso Jopia | Campanario - Buin | 5 | 11.11 | |
| Antonia Terragno Monckeber | Maitenes | 3 | 11.19 | |
| Serie 4 |
| Catalina Antonia Rojas Benavente | San Francisco de Paine | 2 | 9.81 | q |
| María Trinidad Beristain Arellano | San Isidro | 4 | 10.06 | |
| Emilia Belen Fernanda Álvarez Poole | San Francisco de Paine | 1 | 10.44 | |
| Trinidad Tosso Manns | Maitenes | 5 | 10.46 | |
| Gracia Cozzi Alvarez | Highlands | 6 | 10.89 | |
| Josefa Correa Bernabó | San Isidro | 3 | | |
| Serie 5 |
| Kerry Joo Liao | Instituto Alonso de Ercilla | 5 | 9.49 | q |
| Francisca Sarah Bulcke | San Isidro | 3 | 9.80 | q |
| Laura Vergara Riedel | Campanario - Buin | 1 | 10.07 | |
| Karyme Pallero Astorga | Highlands | 2 | 11.42 | |
| Magdalena Francisca Estay Sandoval | San Francisco de Paine | 4 | | |
| Mar Scherman Voloschin | Instituto Hebreo | 6 | | |
| Serie 6 |
| Francisca Javiera Pizarro Monsalves | Instituto Alonso de Ercilla | 6 | 9.40 | q |
| Colomba Gatica Cabib | La Cruz de Machalí | 4 | 10.12 | |
| Leonor Antonieta Maceiras Oteiza | La Misión de Calera de Tango | 3 | 11.18 | |
| Emilia Paz Gonzalez Nazar | Campanario - Buin | 2 | 11.31 | |
| Antonia Sofia Rodriguez Lazcano | Instituto Alonso de Ercilla | 5 | | |
| Serie 7 |
| Lourdes Correa Martini | Villa María Academy | 3 | 9.82 | |
| María Agustina Howard Lasnibat | Campanario - Buin | 4 | 9.86 | |
| Beatriz Carrasco Villagran | Institución Teresiana | 2 | 10.32 | |
| Matilde Lecaros Egaña | La Cruz de Machalí | 5 | | |
| Laura Molina Puig | Villa María Academy | 6 | | |
| Serie 8 |
| María Gracia Jordan Ulloa | Maitenes | 2 | 9.65 | q |
| Agustina Sáez Rodríguez | La Cruz de Machalí | 5 | 10.20 | |
| Elisa Peró Ureta | La Cruz de Machalí | 6 | 10.28 | |
| Laura Bunster Coddou | Villa María Academy | 4 | 10.53 | |
| Ignacia Cordero Huidobro | Institución Teresiana | 3 | 11.24 | |
| Serie 9 |
| Allison Ivonne Moyano Valarezo | La Misión de Calera de Tango | 3 | 10.18 | |
| Maria Jesus Fleischmann Maturana | Highlands | 2 | 10.43 | |
| Josefa Ignacia Pérez Olivos | La Misión de Calera de Tango | 4 | | |
| Rafaella Vanella Caro | Highlands | 5 | | |
| Javiera Emilia Vicuña Gatica | Campanario - Buin | 6 | | |
