 | 50m femenino con 15 años |
| Tiempo | Nadador | Año | Localización |
| 29.90 | Carla Faro Martínez | 2018 | RÍASDOSUR |
| 30.48 | Carla Faro Martínez | 2018 | MADRID |
| 30.58 | Carla Faro Martínez | 2018 | RÍAS DO SUR |
| 30.68 | Iria G. Lemos Fernández | 2021 | SANTA OLAYA |
| 30.76 | Carla Faro Martínez | 2018 | CERVO |
| 30.76 | Carla Faro Martínez | 2018 | MADRID |
| 30.97 | María Quintas Melón | 2025 | ROSARIO DUEÑAS |
| 30.98 | Carla Faro Martínez | 2018 | GIJÓN |
| 31.03 | Iria G. Lemos Fernández | 2021 | MÁLAGA |
| 31.15 | Irene Fernández Pardo | 2016 | TERRASSA |
| 31.25 | Irene Fernández Pardo | 2016 | OVIEDO |
| 31.27 | Iria G. Lemos Fernández | 2021 | SABADELL |
| 31.28 | Carla Faro Martínez | 2018 | MADRID |
| 31.29 | Iria G. Lemos Fernández | 2021 | SANTA OLAYA |
| 31.31 | María Quintas Melón | 2025 | ROSARIO DUEÑAS |
| 31.37 | Iria G. Lemos Fernández | 2021 | SABADELL |
| 31.38 | Carla Faro Martínez | 2018 | PONTEVEDRA |
| 31.41 | Carla Faro Martínez | 2018 | PONTEVEDRA |
| 31.44 | Iria G. Lemos Fernández | 2021 | SANTA OLAYA |
| 31.49 | Carla Faro Martínez | 2018 | PONTEVEDRA |
| 31.52 | Irene Fernández Pardo | 2016 | TERRASSA |
| 31.53 | Irene Fernández Pardo | 2016 | CERVO |
| 31.63 | Carla Faro Martínez | 2018 | OURENSE |
| 31.65 | Carla Faro Martínez | 2018 | PONTEVEDRA |
| 31.65 | María Quintas Melón | 2025 | PONTEVEDRA |
| 31.66 | Carla Faro Martínez | 2018 | PONTEVEDRA |
| 31.67 | María Quintas Melón | 2025 | RÍAS DO SUR |
| 31.76 | Iria González Covelo | 2019 | MADRID |
| 31.81 | Carla Faro Martínez | 2018 | MADRID |
| 31.82 | Irene Fernández Pardo | 2016 | MALAGA |
