 | 50m femenino con 18 años |
| Tiempo | Nadador | Año | Localización |
| 32.15 | Sofía C. González | 2024 | ROSARIO DUEÑAS |
| 32.33 | Sofía C. González | 2024 | SON HUGO |
| 32.79 | Sofía C. González | 2024 | ROSARIO DUEÑAS |
| 33.03 | Sofía C. González | 2024 | GIJÓN |
| 33.08 | Sofía C. González | 2024 | SON HUGO |
| 33.18 | Sofía C. González | 2024 | GIJÓN |
| 33.21 | Sofía C. González | 2024 | SABADELL |
| 33.55 | Sofía C. González | 2024 | SON HUGO |
| 33.61 | Sofía C. González | 2024 | SABADELL |
| 33.77 | Sofía C. González | 2024 | GIJÓN |
| 34.07 | Sofía C. González | 2024 | ROSARIO DUEÑAS |
| 34.14 | Sofía C. González | 2024 | GIJÓN |
| 34.20 | Sofía C. González | 2024 | SON HUGO |
| 34.37 | Sofía C. González | 2024 | GIJÓN |
| 34.63 | Sofía C. González | 2024 | ROSARIO DUEÑAS |
| 34.66 | Sofía C. González | 2024 | SABADELL |
| 34.79 | Sofía C. González | 2024 | SABADELL |
| 35.03 | Iria G. Lemos Fernández | 2024 | GIJÓN |
| 35.18 | Sofía C. González | 2024 | SON HUGO |
| 35.85 | Sofía C. González | 2024 | SON HUGO |
| 36.02 | Sofía C. González | 2024 | Rosario Dueñas |
| 36.11 | Sofía C. González | 2024 | GIJÓN |
| 36.23 | Sofía C. González | 2024 | ROSARIO DUEÑAS |
| 36.72 | Sofía C. González | 2024 | SABADELL |
| 37.21 | Sofía C. González | 2024 | ROSARIO DUEÑAS |
| 37.64 | Sofía C. González | 2024 | GIJÓN |
| 37.78 | Carla Faro Martínez | 2021 | SABADELL |
| 41.05 | Andrea D. Casabella | 2021 | ROSARIO DUEÑAS |
| 44.21 | Laura Blanco Pérez | 2022 | Rosario Dueñas |
| 45.48 | Tatyana Valiño Ferraz | 2021 | Rosario Dueñas |
