Mixed - Short Course - 400m Freestyle - Aberystwyth and District Swimmin - Open Age Group
| Rank | Name | Ranked Club | YoB | Meet Name | Venue | Level | Date | Time | FINA |
|---|---|---|---|---|---|---|---|---|---|
| 1 | James Raw | Leic Sharks | 07 | Swim England Winter Championships 2023 | Sheffield | 2 | 17/12/23 | 3:57.56 | |
| 2 | Iyla Berner | Aberystwyth | 13 | Amman Valley SC Mid-distance Development Meet 2023 | Carmarthen | 3 | 12/11/23 | 5:24.66 | |
| 3 | Kiana Berner | Aberystwyth | 11 | Nofio Sir Gar Performance Swimming's Open Meet 24 | Carmarthen | 3 | 13/01/24 | 6:39.75 |