 | 800m femenino con 12 años |
| Tiempo | Nadador | Año | Localización |
| 10:01.16 | Iria G. Lemos Fernández | 2018 | RÍASDOSUR |
| 10:10.70 | Carla Faro Martínez | 2015 | Pontevedra |
| 10:15.50 | Iria G. Lemos Fernández | 2018 | RÍASDOSUR |
| 10:31.63 | Andrea D. Casabella | 2015 | Pontevedra |
| 10:31.71 | Inés Borge Juste | 2018 | RÍASDOSUR |
| 10:42.75 | Sofía C. González | 2018 | RÍASDOSUR |
| 10:43.83 | Sara Ibáñez Carrera | 2013 | PONTEVEDRA |
| 10:44.32 | Uxia González Covelo | 2018 | RÍASDOSUR |
| 10:48.09 | Zaira Vila Rial | 2023 | RCNV |
| 11:03.85 | Sofía C. González | 2018 | RÍASDOSUR |
| 11:06.90 | Andrea D. Casabella | 2015 | Ponteareas |
| 11:09.56 | Laura Rodríguez Novoa | 2012 | SANTA ISABEL |
| 11:12.81 | María Quintas Melón | 2022 | AS POZAS |
| 11:13.21 | Eva Resille Santomé | 2018 | RÍASDOSUR |
| 11:18.47 | Naiara Eijo Gil | 2018 | RÍAS DO SUR |
| 11:20.15 | Angela Cobelo Represas | 2016 | SANTA ISABEL |
| 11:21.27 | María Seijo Marques | 2022 | AS POZAS |
| 11:23.55 | Inés Borge Juste | 2018 | J.GÓMEZNOYA |
| 11:25.49 | Miriam Represas Saavedra | 2015 | Pontevedra |
| 11:26.70 | Eva Resille Santomé | 2018 | RÍASDOSUR |
| 11:33.14 | Laura Blanco Pérez | 2016 | RIASDOSUR |
| 11:33.73 | Iria González Covelo | 2016 | RIASDOSUR |
| 11:37.00 | Lara Dominguez Díaz | 2019 | RÍAS DO SUR |
| 11:40.13 | Laura Costa Fernández | 2013 | VIGO (RCN) |
| 11:43.70 | Mara B. Francisco | 2025 | ÁLVARO PINO |
| 11:49.85 | Flavia García Casal | 2025 | ÁLVARO PINO |
| 11:52.05 | Flavia García Casal | 2025 | RCNV |
| 11:54.70 | Gara R. da Silva | 2023 | RCNV |
| 11:57.40 | Emma Gómez Torres | 2025 | RCNV |
| 12:00.38 | Emma Gómez Torres | 2025 | ÁLVARO PINO |