| Serie 1 |
| Amalia Tagle Bier | Santa Úrsula | 1 | 10.00 | 1 q |
| Bernardita Aliaga Brosh | San Francisco Javier de Huechuraba | 2 | 10.56 | 4 q |
| Alicia Tardel Swett | Saint George's College | 6 | 10.65 | 8 q |
| Florencia Almizry Blanch | Alemán de Santiago | 4 | 12.47 | 30 |
| Julieta Boza Camus | The Grange School | 5 | 13.32 (13.3200) | 33 |
| Maria Emilia Rosales Aguilera | Everest | 3 | DNS | |
| Amira Azar Russo | The Mayflower School | 7 | DNS | |
| Juanita Alcalde Torres | Huelén | 8 | DNF | |
| Serie 2 |
| Sofía Larrea Sisamón | Santa Úrsula | 8 | 10.55 | 3 q |
| Josefina Ignacia Morales Rojas | Andrée English School | 1 | 10.64 (10.6400) | 6 q |
| Olivia Rojas López | San Ignacio El Bosque | 3 | 11.12 | 12 |
| Isabella Aliaga Brosh | San Francisco Javier de Huechuraba | 4 | 11.31 | 18 |
| Lucia Zenteno Soza | Everest | 5 | 12.12 | 25 |
| Violeta Agullo V | The Grange School | 6 | 12.37 | 27 |
| Colomba Burr Valenzuela | San Anselmo | 2 | DNS | |
| Josefina Brogle Seydewitz | Alemán de Santiago | 7 | DNS | |
| Serie 3 |
| Blanca Allue Baeza | Juanita de los Andes | 1 | 10.76 (10.7600) | 9 |
| María Jesús Rivadeneira Contardo | San Anselmo | 7 | 10.87 | 11 |
| Teresa Letelier Lamas | San Francisco de Asís | 5 | 11.18 | 14 |
| Elisa Fernández Swett | Villa María Academy | 4 | 11.35 | 19 |
| Josefina Mena Concha | Nazaret | 2 | 12.00 | 22 |
| Juliana Paut Bonacic | Cumbres | 3 | DNS | |
| Agustina Sasmay Rojas | Andrée English School | 6 | DNS | |
| Emilia Dreyfus Velasco | San José de Chicureo | 8 | DNS | |
| Serie 4 |
| Olivia Vial Tampier | San Benito | 1 | 10.34 | 2 q |
| Clara Fluxá Eguiguren | Los Andes | 6 | 10.57 | 5 q |
| Sofía Ávalos Murillo | San Francisco de Asís | 8 | 10.76 (10.7600) | 10 |
| Olivia Zulueta De Solminihac | Nazaret | 2 | 11.16 | 13 |
| María Quiroga Morandé | Villa María Academy | 4 | 11.25 | 16 |
| Gracia Castillo Alcalde | Los Alerces | 3 | 12.02 | 23 |
| Ana Perez Barría | SSCC Manquehue | 5 | 12.54 | 32 |
| Maite Ossa Vitali | Saint Gabriel's School | 7 | DNS | |
| Serie 5 |
| María Luisa Larraín Jorquera | Los Andes | 6 | 11.28 | 17 |
| Laura Sandoval Del Solar | SSCC Manquehue | 5 | 11.41 | 21 |
| Maria Jesus Edwards Bustamante | The Newland School | 4 | 12.11 | 24 |
| Olivia López Sepúlveda | Saint John's Villa Academy | 8 | 12.34 | 26 |
| Emilia Pizarro De Tezanos Pinto | Los Alerces | 2 | 12.38 | 28 |
| Javiera Ignacia Rojas Jofré | San Benito | 3 | 13.32 (13.3200) | 34 |
| Belen Astudillo Montiel | The Greenland School | 1 | 15.42 | 36 |
| Trinidad Ureta Valenzuela | Saint Gabriel's School | 7 | DNS | |
| Serie 6 |
| Martina Simonetti Miquel | Saint George's College | 5 | 10.64 (10.6400) | 7 q |
| Josefa Cárdenas Cáceres | Huelén | 8 | 11.23 | 15 |
| María De Los Dolores Messina Widow | San Isidro | 3 | 11.36 | 20 |
| Catalina Villar Gonzalez | Del Sagrado Corazón - Apoquindo | 4 | 12.43 | 29 |
| Valentina Paz Reyes Astaburuaga | The Newland School | 2 | 12.48 | 31 |
| Julieta Osorio Donoso | The Greenland School | 6 | 14.67 | 35 |
| Ema Arredondo Ortuondo | Epullay Montessori | 1 | DNS | |
| Amalia Carretta Alarcon | The Mayflower School | 7 | DNS | |
