 | 50m femenino con 17 años |
| Tiempo | Nadador | Año | Localización |
| 30.82 | Iria G. Lemos Fernández | 2023 | FRIGSA |
| 30.97 | Naiara Eijo Gil | 2023 | CASTELLÓN |
| 31.04 | Iria G. Lemos Fernández | 2023 | FRIGSA |
| 31.12 | Inés Borge Juste | 2023 | CASTELLÓN |
| 31.33 | Naiara Eijo Gil | 2023 | FRIGSA |
| 31.49 | Naiara Eijo Gil | 2023 | CASTELLÓN |
| 31.55 | Naiara Eijo Gil | 2023 | J. GÓMEZ NOYA |
| 31.56 | Naiara Eijo Gil | 2023 | Batallones - Armada |
| 31.67 | Naiara Eijo Gil | 2023 | FRIGSA |
| 31.68 | Naiara Eijo Gil | 2023 | FRIGSA |
| 31.72 | Naiara Eijo Gil | 2023 | FRIGSA |
| 31.82 | Iria G. Lemos Fernández | 2023 | RIAZOR |
| 31.82 | Inés Borge Juste | 2023 | FRIGSA |
| 31.84 | Irene Fernández Pardo | 2018 | A CAÑIZA |
| 31.84 | Inés Borge Juste | 2023 | J. GÓMEZ NOYA |
| 31.89 | Inés Borge Juste | 2023 | ÁLVARO PINO |
| 31.94 | Inés Borge Juste | 2023 | RCNV |
| 32.00 | Inés Borge Juste | 2023 | FRIGSA |
| 32.01 | Jennifer C. Domínguez | 2011 | PONTEAREAS |
| 32.08 | Inés Borge Juste | 2023 | ÁLVARO PINO |
| 32.09 | Inés Borge Juste | 2023 | FRIGSA |
| 32.10 | Irene Fernández Pardo | 2018 | RCNV |
| 32.20 | Sara Ibáñez Carrera | 2018 | SANTA ISABEL |
| 32.22 | Inés Borge Juste | 2023 | FRIGSA |
| 32.30 | Irene Fernández Pardo | 2018 | LUGO |
| 32.30 | Naiara Eijo Gil | 2023 | AS POZAS |
| 32.32 | Irene Fernández Pardo | 2018 | SANTAISABEL |
| 32.33 | Inés Borge Juste | 2023 | RIAZOR |
| 32.36 | Inés Borge Juste | 2023 | FRIGSA |
| 32.38 | Jennifer C. Domínguez | 2011 | VIGO |
