Open/Male - Long Course - 100m Butterfly - Aberystwyth and District Swimmin - All Time - Open Age Group
| Rank | Name | Ranked Club | YoB | Meet | Date | Time |
|---|---|---|---|---|---|---|
| 1 | Sam Middleton | Aberystwyth | 89 | WASA Age & Youth Champs, Swansea | 14/04/06 | 1:01.32 |
| 2 | Cameron Phillips | Aberystwyth | 00 | Swim Wales Long Course Championships, Swansea | 14/04/17 | 1:03.06 |
| 3 | James Raw | Leic Sharks | 07 | SE East Midland Regional Long Course Championships, Sheffield | 07/05/22 | 1:03.43 |
| 4 | Joshua Nathanie Harries | Aberystwyth | 92 | Welsh School Championship, Swansea | 23/11/07 | 1:03.83 |
| 5 | Steffan Herdman | Aberystwyth | 99 | City of Cardiff Open Meet, Cardiff | 28/05/16 | 1:05.28 |
| 6 | Shaun Timothy Lewis | Aberystwyth | 91 | Welsh Summer Nationals, Swansea | 02/08/07 | 1:06.77 |
| 7 | Tomos Watson | Aberystwyth | 97 | 3 Towers Spring Open Meet, Millfield | 07/04/13 | 1:07.67 |
| 8 | Joseph Gorman | Aberystwyth | 04 | Swim Wales Summer Nationals, Swansea | 01/08/19 | 1:10.50 |
| 9 | Teilo Courtier-Lilley | Aberystwyth | 99 | Frome Autumn Open Meet, Millfield | 26/10/14 | 1:10.84 |
| 10 | Maxwell Glasser | Aberystwyth | 98 | City of Cardiff Tiger Bay Meet, Cardiff | 12/03/16 | 1:11.54 |
| 11 | Jacob Massey | Aberystwyth | 03 | Swim Wales Summer Nationals, Swansea | 31/07/18 | 1:12.83 |
| 12 | Benjamin Jones | Aberystwyth | 96 | Welsh Summer Nationals, Swansea | 01/08/09 | 1:14.08 |
| 13 | Sion Owen | Aberystwyth | 94 | Frome, Wells & Shepton Mallet 3 Towers Ope, Millfield | 10/04/11 | 1:14.81 |
| 14 | Morgan Evans | Aberystwyth | 01 | Swim Wales Legends Meet, Swansea | 18/09/16 | 1:15.41 |
| 15 | Isaac Williamson-Evans | Aberystwyth | 97 | 3 Towers Open Meet, Millfield School | 28/10/12 | 1:19.05 |
| 16 | Jude Coleridge | Aberystwyth | 04 | City of Cardiff Tiger Bay Open Meet, Cardiff | 18/03/18 | 1:19.29 |
| 17 | James Payne | Aberystwyth | 01 | Swim Wales Legends Meet, Swansea | 20/09/15 | 1:24.68 |
| 18 | James Michael | Aberystwyth | 00 | 3 Towers Open Meet, Millfield School | 28/10/12 | 1:30.52 |
| 19 | Rhys Elgood | Aberystwyth | 94 | Welsh Nationals 2006, Swansea | 04/08/06 | 1:32.93 |
| 20 | Jamie Owen | Aberystwyth | 95 | Avalon Autumn Open Meet, Millfield | 24/10/09 | 1:34.67 |
| 21 | Charlie Jones Lewis | Aberystwyth | 06 | Swim Wales Summer Development Meet, Swansea | 31/07/17 | 1:43.07 |
| 22 | Dion Parry | Aberystwyth | 94 | Welsh Nationals 2006, Swansea | 04/08/06 | 1:48.08 |
| 23 | Aidan Roberts | Aberystwyth | 05 | Swim Wales New Year Pentathon, Swansea | 14/01/17 | 1:54.01 |
| 24 | Ioan Evans | Aberystwyth | 06 | Swim Wales Legends Meet, Swansea | 15/09/18 | 2:06.78 |
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