Open/Male - Long Course - 100m Breaststroke - Aberystwyth and District Swimmin - All Time - Open Age Group
| Rank | Name | Ranked Club | YoB | Meet | Date | Time |
|---|---|---|---|---|---|---|
| 1 | Sion Owen | Aberystwyth | 94 | Swim Wales Age, Youth & Senior Champs, Swansea | 06/04/12 | 1:14.24 |
| 2 | Steffan Herdman | Aberystwyth | 99 | Swim Wales Long Course Championships, Swansea | 15/04/17 | 1:15.43 |
| 3 | Joseph Gorman | Aberystwyth | 04 | City of Liverpool National Meet, Liverpool | 19/03/22 | 1:16.27 |
| 4 | Maxwell Glasser | Aberystwyth | 98 | City of Cardiff Tiger Bay Meet, Cardiff | 13/03/16 | 1:18.26 |
| 5 | Benjamin Jones | Aberystwyth | 96 | BG Wales Summer Nationals, Swansea | 04/08/10 | 1:18.27 |
| 6 | Joshua Nathanie Harries | Aberystwyth | 92 | WASA New Year Dragon Meet, Swansea | 12/01/07 | 1:18.68 |
| 7 | Cameron Phillips | Aberystwyth | 00 | City of Cardiff Tiger Bay Open Meet 2017, Cardiff | 18/03/17 | 1:18.70 |
| 8 | Sam Middleton | Aberystwyth | 89 | Exeter City Open Mt, Millfield | 14/01/06 | 1:18.82 |
| 9 | James Payne | Aberystwyth | 01 | Swim Wales Summer Nationals, Swansea | 03/08/17 | 1:21.02 |
| 10 | Shaun Timothy Lewis | Aberystwyth | 91 | Welsh Age & Youth Champs, Swansea | 20/03/08 | 1:21.98 |
| 11 | Morgan Evans | Aberystwyth | 01 | Swim Wales Legends Meet, Swansea | 17/09/16 | 1:22.05 |
| 12 | Robert Wallace | Aberystwyth | 98 | 3 Towers Spring Open Meet, Millfield | 07/04/13 | 1:24.43 |
| 13 | Teilo Courtier-Lilley | Aberystwyth | 99 | 3 Towers Open Meet, Millfield | 27/10/13 | 1:25.70 |
| 14 | Tomos Watson | Aberystwyth | 97 | 3 Towers Spring Open Meet, Millfield | 07/04/13 | 1:27.70 |
| 15 | Jude Coleridge | Aberystwyth | 04 | City of Cardiff Tiger Bay Open Meet, Cardiff | 17/03/18 | 1:30.62 |
| 16 | Isaac Williamson-Evans | Aberystwyth | 97 | 3 Towers Open Meet, Millfield School | 28/10/12 | 1:31.35 |
| 17 | Finley Saycell | Aberystwyth | 09 | Swim Wales Summer Open 2022, Swansea | 05/08/22 | 1:33.48 |
| 18 | Oliver Lerigo | Aberystwyth | 10 | Swim Wales Regional Racing Series - West 2024, Swansea | 10/02/24 | 1:36.20 |
| 19 | Jamie Owen | Aberystwyth | 95 | Avalon Autumn Open Meet, Millfield | 24/10/09 | 1:36.76 |
| 20 | Sion Davies | Aberystwyth | 00 | British Gas Swim Wales Legends Meet, Swansea | 21/09/13 | 1:37.32 |
| 21 | Aaron Jones | Aberystwyth | 07 | Tiger Bay Open Meet 2023, Cardiff | 19/03/23 | 1:38.87 |
| 22 | James Michael | Aberystwyth | 00 | 3 Towers Open Meet, Millfield | 27/10/13 | 1:39.56 |
| 23 | Robert Glasser | Aberystwyth | 03 | Frome Autumn Open Meet, Millfield | 25/10/15 | 1:43.30 |
| 24 | James Raw | Leic Sharks | 07 | City of Bristol International Open Meet, Hengrove Park | 08/04/18 | 1:44.61 |
| 25 | Thomas Smyth | Aberystwyth | 01 | Gemau Cymru 2013, Cardiff | 06/07/13 | 1:45.78 |
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