Open/Male - Short 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 West Regional Championships, Haverfordwest | 11/02/17 | 32.38 |
| 2 | Sion Owen | Aberystwyth | 94 | Llanelli Autumn Meet 2011, Llanelli | 01/10/11 | 32.69 |
| 3 | Sam Middleton | Aberystwyth | 89 | Llannelli Sprint Meet, Llannelli | 07/10/06 | 33.10 |
| 4 | Joseph Gorman | Aberystwyth | 04 | Shrewsbury ASC Christmas County Qualifier 2021, Shrewsbury | 11/12/21 | 33.66 |
| 5 | Cameron Phillips | Aberystwyth | 00 | Swim Wales West Sub Regional Championships, Wales | 27/11/16 | 33.85 |
| 6 | James Payne | Aberystwyth | 01 | Swim Conwy Whitsun Meet, Llandudno | 27/05/17 | 34.87 |
| 7 | James Raw | Leic Sharks | 07 | Ellesmere College Titans October Season Opener, Ellesmere | 10/10/21 | 35.53 |
| 8 | Morgan Evans | Aberystwyth | 01 | Swim Wales West Region Sub Regional Championships, Haverfordwest | 26/11/17 | 35.86 |
| 9 | Shaun Timothy Lewis | Aberystwyth | 91 | Torfaen Sprint Meet, Newport | 05/07/08 | 36.08 |
| 10 | Jude Coleridge | Aberystwyth | 04 | City of Cardiff Capital Open Meet, Cardiff | 04/11/18 | 37.56 |
| 11 | Maxwell Glasser | Aberystwyth | 98 | SWWR Regional Championships, Haverford West | 05/02/15 | 37.57 |
| 12 | Robert Wallace | Aberystwyth | 98 | Llanelli Autumn Meet 2013, Llanelli | 05/10/13 | 38.60 |
| 13 | Tomos Watson | Aberystwyth | 97 | SWWR Regional Championships, Haverford West | 05/02/15 | 38.99 |
| 14 | Aaron Jones | Aberystwyth | 07 | Swim Wales Regional SC Championships - West 2023, Haverfordwest | 26/11/23 | 39.72 |
| 15 | Sion Hughes | Aberystwyth | 95 | Torfaen Open Meet, Newport | 26/06/10 | 39.78 |
| 16 | Dylan Skym | Aberystwyth | 01 | SW West Region Sub Regional Championships, Haverfordwest | 25/11/18 | 40.15 |
| 17 | Benjamin Jones | Aberystwyth | 96 | Torfaen Sprint Meet, Newport | 05/07/08 | 40.37 |
| 18 | Isaac Williamson-Evans | Aberystwyth | 97 | Gemau Cymru 2011, Cardiff | 09/07/11 | 42.13 |
| 19 | Jacob Massey | Aberystwyth | 03 | Shrewsbury ASC Sprint Sprint Meet, Wolverhampton | 31/03/18 | 42.16 |
| 20 | Oliver Lerigo | Aberystwyth | 10 | Swim Conwy Spring Meet 2024, Llandudno | 16/03/24 | 42.34 |
| 21 | Jamie Owen | Aberystwyth | 95 | Llanelli Autumn Meet, Llanelli | 03/10/09 | 42.35 |
| 22 | Finley Marshall | Aberystwyth | 09 | Swim Conwy Autumn Gala, Llandudno | 16/10/22 | 42.43 |
| 23 | Ivan Rukov | Aberystwyth | 07 | Llanelli Autumn Meet 2022, Llanelli | 29/10/22 | 43.95 |
| 24 | Ioan Evans | Aberystwyth | 06 | Swim Wales West Sub Regional Championships, Haverfordwest | 24/11/19 | 44.02 |
| 25 | Ioan Mabbutt | Aberystwyth | 06 | Swim Wales West Sub Regional Championships, Haverfordwest | 24/11/19 | 44.20 |
 |  |
