 | 50m femenino con 12 años |
| Tiempo | Nadador | Año | Localización |
| 38.28 | Sofía C. González | 2018 | RÍAS DO SUR |
| 38.37 | Carla Faro Martínez | 2015 | VIGO |
| 38.38 | Carla Faro Martínez | 2015 | RCNV |
| 38.56 | Carla Faro Martínez | 2015 | RIAS DO SUR |
| 39.02 | Carla Faro Martínez | 2015 | RIAS DO SUR |
| 39.11 | Carla Faro Martínez | 2015 | PONTEAREAS |
| 39.34 | Carla Faro Martínez | 2015 | CACERES |
| 39.40 | Sofía C. González | 2018 | A GUARDA |
| 40.44 | Zaira Vila Rial | 2023 | RCNV |
| 40.58 | Sofía C. González | 2018 | PONTEAREAS |
| 40.64 | Sofía C. González | 2018 | J. GÓMEZ NOYA |
| 41.45 | Anais Ucha Mutilba | 2007 | ACAÑIZA |
| 41.62 | Naroa Estévez Montes | 2020 | SANTA ISABEL |
| 41.62 | María Quintas Melón | 2022 | AS POZAS |
| 41.70 | Laura Blanco Pérez | 2016 | RIAS DO SUR |
| 41.83 | Anais Ucha Mutilba | 2007 | RCN |
| 41.89 | Carla Faro Martínez | 2015 | Ponteareas |
| 42.21 | Laura Blanco Pérez | 2016 | REDONDELA |
| 42.21 | Sofía C. González | 2018 | J. GÓMEZ NOYA |
| 42.36 | María Quintas Melón | 2022 | Álvaro Pino |
| 42.68 | Miriam Represas Saavedra | 2015 | VIGO |
| 42.73 | Naroa Estévez Montes | 2020 | ÁLVARO PINO |
| 42.75 | María Quintas Melón | 2022 | Álvaro Pino |
| 42.81 | Naroa Estévez Montes | 2020 | ÁLVARO PINO |
| 42.86 | Naroa Estévez Montes | 2020 | ÁLVARO PINO |
| 43.03 | Naroa Estévez Montes | 2020 | SANTA ISABEL |
| 43.55 | Uxia González Covelo | 2018 | A GUARDA |
| 43.59 | Naroa Estévez Montes | 2020 | RÍAS DO SUR |
| 43.77 | María Quintas Melón | 2022 | AS POZAS |
| 43.86 | Lara Dominguez Díaz | 2019 | Rías do Sur |
