Open/Male - Long Course - 200m Butterfly - Aberystwyth and District Swimmin - All Time - Open Age Group
| Rank | Name | Ranked Club | YoB | Meet | Date | Time |
|---|---|---|---|---|---|---|
| 1 | Joshua Nathanie Harries | Aberystwyth | 92 | Edinburgh International, Edinburgh | 16/02/08 | 2:18.03 |
| 2 | James Raw | Leic Sharks | 07 | West Midlands Region Festival of Swimming 2021, Coventry | 24/07/21 | 2:22.17 |
| 3 | Cameron Phillips | Aberystwyth | 00 | City of Cardiff Tiger Bay Open Meet 2017, Cardiff | 18/03/17 | 2:26.64 |
| 4 | Steffan Herdman | Aberystwyth | 99 | Swim Wales Summer Nationals, Swansea | 05/08/16 | 2:27.27 |
| 5 | Tomos Watson | Aberystwyth | 97 | 3 Towers Open Meet, Millfield School | 28/10/12 | 2:36.69 |
| 6 | Teilo Courtier-Lilley | Aberystwyth | 99 | 3 Towers Spring Open Meet, Millfield | 07/04/13 | 2:51.67 |
| 7 | Jacob Massey | Aberystwyth | 03 | Swim Wales Summer Nationals, Swansea | 04/08/17 | 2:53.73 |
| 8 | Morgan Evans | Aberystwyth | 01 | Swim Wales Legends Meet, Swansea | 17/09/16 | 3:04.90 |
| 9 | James Michael | Aberystwyth | 00 | 3 Towers Open Meet, Millfield | 27/10/13 | 3:12.95 |
| 10 | Joseph Gorman | Aberystwyth | 04 | Swim Wales Legends Meet, Swansea | 16/09/17 | 3:14.71 |