 | 400m femenino con 15 años |
| Tiempo | Nadador | Año | Localización |
| 04:33.20 | Andrea D. Casabella | 2018 | SANTAISABEL |
| 04:33.95 | Ana Buceta Lago | 2018 | SANTAISABEL |
| 04:33.95 | Iria G. Lemos Fernández | 2021 | ÁLVARO PINO |
| 04:36.29 | Laura Rodríguez Novoa | 2015 | RIASDOSUR |
| 04:37.11 | Laura Rodríguez Novoa | 2015 | INEF |
| 04:37.55 | Ana Buceta Lago | 2018 | RCNV |
| 04:38.23 | Andrea D. Casabella | 2018 | ACAÑIZA |
| 04:39.73 | Uxia González Covelo | 2021 | RÍAS DO SUR |
| 04:42.36 | Uxia González Covelo | 2021 | ÁLVARO PINO |
| 04:42.60 | Inés Borge Juste | 2021 | FLUVIAL |
| 04:43.84 | Uxia González Covelo | 2021 | ÁLVARO PINO |
| 04:44.87 | Sofía C. González | 2021 | ÁLVARO PINO |
| 04:45.70 | Uxia González Covelo | 2021 | FLUVIAL |
| 04:48.28 | Naroa Estévez Montes | 2023 | CASTELLÓN |
| 04:48.35 | Angela Cobelo Represas | 2019 | MONFORTE |
| 04:49.50 | Uxia González Covelo | 2021 | RÍAS DO SUR |
| 04:51.30 | Uxia González Covelo | 2021 | ÁLVARO PINO |
| 04:51.47 | Naroa Estévez Montes | 2023 | RÍAS DO SUR |
| 04:51.48 | Inés Borge Juste | 2021 | ÁLVARO PINO |
| 04:52.26 | Uxia González Covelo | 2021 | ÁLVARO PINO |
| 04:52.71 | Naroa Estévez Montes | 2023 | FRIGSA |
| 04:53.12 | Inés Borge Juste | 2021 | RCNV |
| 04:54.40 | Rosette Otero Rico | 2023 | BOIRO |
| 04:55.16 | Iria González Covelo | 2019 | RÍAS DO SUR |
| 04:55.69 | Iria González Covelo | 2019 | ÁLVARO PINO |
| 04:55.69 | Iria González Covelo | 2019 | ÁLVARO PINO |
| 04:56.07 | Sara Ibáñez Carrera | 2016 | RIAS DO SUR |
| 05:00.55 | Rosette Otero Rico | 2023 | AS POZAS |
| 05:01.05 | Naiara Eijo Gil | 2021 | RÍAS DO SUR |
| 05:01.11 | Uxia González Covelo | 2021 | RCNV |