 | 50m femenino con 12 años |
| Tiempo | Nadador | Año | Localización |
| 38.56 | Sofía C. González | 2018 | SABADELL |
| 38.95 | Sofía C. González | 2018 | SABADELL |
| 38.98 | Carla Faro Martínez | 2015 | A Coruña |
| 39.07 | Carla Faro Martínez | 2015 | A Coruña |
| 40.12 | Carla Faro Martínez | 2015 | PONTEVEDRA |
| 40.30 | Sofía C. González | 2018 | OURENSE |
| 40.46 | Sofía C. González | 2018 | OURENSE |
| 40.49 | Sofía C. González | 2018 | ROSARIO DUEÑAS |
| 40.63 | Carla Faro Martínez | 2015 | CERVO |
| 41.13 | Carla Faro Martínez | 2015 | PONTEVEDRA |
| 41.18 | Carla Faro Martínez | 2015 | A Coruña |
| 41.46 | Sofía C. González | 2018 | RÍAS DO SUR |
| 41.76 | Sofía C. González | 2018 | SABADELL |
| 42.31 | Sofía C. González | 2018 | ROSARIO DUEÑAS |
| 42.56 | Sofía C. González | 2018 | RÍAS DO SUR |
| 43.22 | Laura Blanco Pérez | 2016 | CERVO |
| 43.31 | Sofía C. González | 2018 | OURENSE |
| 43.79 | Uxia González Covelo | 2018 | ROSARIO DUEÑAS |
| 44.66 | María Quintas Melón | 2022 | Cervo |
| 45.10 | Naiara Eijo Gil | 2018 | OURENSE |
| 46.01 | Laura Blanco Pérez | 2016 | CERVO |
| 46.57 | Laura Blanco Pérez | 2016 | ROSARIO DUEÑAS |
| 46.63 | Laura Blanco Pérez | 2016 | ROSARIO DUEÑAS |
| 48.21 | Mara B. Francisco | 2025 | CERVO |
| 48.37 | Iria González Covelo | 2016 | ROSARIO DUEÑAS |
| 49.26 | María Quintas Melón | 2022 | Cervo |
| 49.59 | Mara B. Francisco | 2025 | OURENSE |
| 54.62 | Antía Cuevas Rodríguez | 2023 | CERVO |
| 56.08 | Antía Cuevas Rodríguez | 2023 | CERVO |
