 | 800m femenino con 17 años |
| Tiempo | Nadador | Año | Localización |
| 08:37.08 | Carla Carrón Muiña | 2022 | SABADELL |
| 08:49.50 | Carla Carrón Muiña | 2022 | FRIGSA |
| 09:15.90 | Laura Rodríguez Novoa | 2017 | SANTAISABEL |
| 09:26.39 | Laura Rodríguez Novoa | 2017 | RIAZOR |
| 09:33.67 | Carla Faro Martínez | 2020 | RÍAS DO SUR |
| 09:35.30 | Naroa Estévez Montes | 2025 | ÁLVARO PINO |
| 09:39.58 | Sofía C. González | 2023 | RÍAS DO SUR |
| 09:40.90 | Naroa Estévez Montes | 2025 | ÁLVARO PINO |
| 09:41.58 | Naroa Estévez Montes | 2025 | FRIGSA |
| 09:42.73 | Andrea D. Casabella | 2020 | RÍAS DO SUR |
| 10:02.17 | Iria González Covelo | 2021 | RÍAS DO SUR |
| 10:03.01 | Inés Borge Juste | 2023 | AS POZAS |
| 10:26.58 | Estefania C. Dominguez | 2010 | AS PEDREIRAS |
| 10:33.03 | Sara Ibáñez Carrera | 2018 | XOVE |