Open/Male - Long Course - 50m Breaststroke - Aberystwyth and District Swimmin - All Time - Open Age Group
| Rank | Name | Ranked Club | YoB | Meet | Date | Time |
|---|---|---|---|---|---|---|
| 1 | Steffan Herdman | Aberystwyth | 99 | Swim Wales Long Course Championships, Swansea | 14/04/17 | 33.52 |
| 2 | Sion Owen | Aberystwyth | 94 | Frome, Wells & Shepton Mallet 3 Towers Ope, Millfield | 10/04/11 | 33.73 |
| 3 | Joseph Gorman | Aberystwyth | 04 | Swim Wales Summer Open 2022, Swansea | 04/08/22 | 34.21 |
| 4 | Cameron Phillips | Aberystwyth | 00 | Swim Wales Summer Nationals, Swansea | 02/08/16 | 35.25 |
| 5 | Maxwell Glasser | Aberystwyth | 98 | City of Cardiff Tiger Bay Meet, Cardiff | 13/03/16 | 35.39 |
| 6 | Morgan Evans | Aberystwyth | 01 | Swim Wales Summer Nationals, Swansea | 02/08/16 | 36.73 |
| 7 | Joshua Nathanie Harries | Aberystwyth | 92 | Avalon Autumn Open Meet, Millfield | 21/10/07 | 36.82 |
| 8 | James Payne | Aberystwyth | 01 | Swim Wales Summer Nationals, Swansea | 01/08/17 | 37.04 |
| 9 | Sam Middleton | Aberystwyth | 89 | Rotherham Metro Long Course Mt, Sheffield | 20/04/03 | 39.33 |
| Benjamin Jones | Aberystwyth | 96 | Avalon Autumn Meet, Millfield | 18/10/08 | 39.33 | |
| 11 | Jude Coleridge | Aberystwyth | 04 | Swansea Aquatics Spring Long Course 2019, WNPS | 17/02/19 | 39.98 |
| 12 | Teilo Courtier-Lilley | Aberystwyth | 99 | 3 Towers Spring Open Meet, Millfield | 07/04/13 | 40.02 |
| 13 | Isaac Williamson-Evans | Aberystwyth | 97 | 3 Towers Open Meet, Millfield School | 28/10/12 | 40.75 |
| 14 | Shaun Timothy Lewis | Aberystwyth | 91 | Avalon Autumn Open Meet, Millfield | 21/10/07 | 40.91 |
| 15 | Aaron Jones | Aberystwyth | 07 | Tiger Bay Open Meet 2023, Cardiff | 18/03/23 | 43.07 |
| 16 | Jamie Owen | Aberystwyth | 95 | Avalon Autumn Open Meet, Millfield | 24/10/09 | 44.05 |
| 17 | Oliver Lerigo | Aberystwyth | 10 | Swim Wales Regional Racing Series - West 2024, Swansea | 11/02/24 | 44.14 |
| 18 | Iestyn Watson | Aberystwyth | 00 | Cardiff Bay Sprint Meet, Cardiff | 04/07/15 | 44.26 |
| 19 | James Michael | Aberystwyth | 00 | 3 Towers Open Meet, Millfield | 27/10/13 | 45.92 |
| 20 | Finley Marshall | Aberystwyth | 09 | Swim Wales Welsh Development (Youth Panel) 2022, Swansea | 26/06/22 | 46.57 |
| 21 | Ruben Meaney | Aberystwyth | 04 | City of Cardiff Tiger Bay Meet, Cardiff | 13/03/16 | 47.70 |
| 22 | Robert Glasser | Aberystwyth | 03 | Frome Autumn Open Meet, Millfield | 25/10/15 | 47.96 |
| 23 | Iestyn Carr | Aberystwyth | 09 | Swim Wales Welsh Development (Youth Panel) 2022, Swansea | 26/06/22 | 48.35 |
| 24 | Ioan Evans | Aberystwyth | 06 | Swim Wales Summer Nationals, Swansea | 31/07/18 | 48.55 |
| 25 | Tomos Watson | Aberystwyth | 97 | Avalon Sprint Open Meet, Millfield | 29/05/10 | 48.60 |