| Serie 1 |
| Amparo Ariztia Silva | Villa María Academy | 1 | 11.46 | q |
| Ana Villegas Prieto | Everest | 3 | 11.62 (11.611) | q |
| Maria Jose Morande Leyton | Santa Úrsula | 4 | 11.87 | |
| Emilia Hevia Vial | San Anselmo | 2 | 12.06 | |
| Serie 2 |
| Bernardita Infante Cifuentes | San Anselmo | 2 | 11.68 | |
| Julieta Rodríguez Grez | Santa Úrsula | 3 | 11.83 | |
| Colomba Edwards Barthou | Everest | 4 | 11.99 | |
| Maria Jesus Barros Ulloa | Nazaret | 1 | | |
| Serie 3 |
| Pilar Dominguez Gines | Nazaret | 3 | 11.62 (11.612) | |
| María José Maturana Álamos | Santa Úrsula | 4 | 11.91 | |
| Lucia Johnson Morales | San Anselmo | 1 | | |
| Blanca Lecaros Vial | Everest | 2 | | |
| Serie 4 |
| Jacinta Errazuriz Costa | Los Andes | 1 | 11.28 | q |
| Amalia Guzman Tondreau | Saint George's College | 3 | 11.84 | |
| Josefina Fernandez Tagle | Everest | 4 | 12.51 | |
| Ignacia Stefanelli Fuenzalida | Nazaret | 2 | | |
| Serie 5 |
| Elisa Jaramillo Bustamante | Saint George's College | 1 | 11.38 | q |
| Josefina Irarrázaval Larraín | Los Alerces | 4 | 11.78 | |
| Margarita Santini Carvajal | Los Andes | 2 | 12.00 | |
| Antonia Ayares Pavón | La Maisonnette | 3 | | |
| Serie 6 |
| Macarena Teresita Irarrazaval Valdes | Los Andes | 1 | 11.77 | |
| Amaya Constanzo Mancilla | Santa Cruz - Chicureo | 2 | 12.42 | |
| Amelia Rodriguez Sandoval | La Maisonnette | 3 | | |
| Sofia Errazuriz Perez | Los Alerces | 4 | | |
| Serie 7 |
| Trinidad Bulnes Del Campo | Los Alerces | 2 | 12.10 | |
| Maria Jesus Valenzuela Larrain | Los Andes | 3 | 12.38 | |
| Ignacia Valle Nishnikow | Del Sagrado Corazón - Apoquindo | 1 | 12.90 | |
| Lourdes Artigas Osorio | La Maisonnette | 4 | | |
| Serie 8 |
| Antonia Ruiz De Gamboa Quijada | Villa María Academy | 4 | 11.35 | q |
| Isidora Caravia Johnson | Huelén | 1 | 11.53 | q |
| Maria Guzman Salinas | Los Alerces | 2 | 11.60 | q |
| Olivia Alejandra Gonzalez Herrera | Del Sagrado Corazón - Apoquindo | 3 | 12.92 | |
| Serie 9 |
| Trinidad Claro Letelier | Villa María Academy | 1 | 11.64 | |
| Josefina Yañez Tisi | Huelén | 2 | 11.79 | |
| Agustina Morales Humphreys | Alemán de Santiago | 3 | 12.31 | |
| Emilia Sofia Vasquez Benavides | Del Sagrado Corazón - Apoquindo | 4 | | |
| Serie 10 |
| Dominga Philipps Cares | Santa Úrsula | 2 | 11.19 | q |
| Laura Leniz Hermann | Villa María Academy | 4 | 11.82 | |
| Jacinta Izquierdo Mujica | Huelén | 1 | 11.96 | |
| Dominga Giner Siegel | San Anselmo | 3 | | |
