Open/Male - Short Course - 50m Backstroke - Aberystwyth and District Swimmin - All Time - Open Age Group
| Rank | Name | Ranked Club | YoB | Meet | Date | Time |
|---|---|---|---|---|---|---|
| 1 | Sam Middleton | Aberystwyth | 89 | ASA Inter-Counties Div 1, Sheffield | 22/10/06 | 27.30 |
| 2 | Shaun Timothy Lewis | Aberystwyth | 91 | Torfaen Sprint Meet, Newport | 05/07/08 | 29.52 |
| 3 | Joseph Gorman | Aberystwyth | 04 | Swim Conwy Autumn Gala, Llandudno | 16/10/22 | 30.05 |
| 4 | James Raw | Leic Sharks | 07 | Ellesmere College Titans October Season Opener, Ellesmere | 09/10/21 | 30.81 |
| 5 | Isaac Williamson-Evans | Aberystwyth | 97 | Swim Conway Whitsun Meet, Llandudno | 25/05/13 | 31.21 |
| 6 | Steffan Herdman | Aberystwyth | 99 | Swim Wales West Regional Championships, Haverfordwest | 12/02/17 | 31.24 |
| 7 | James Payne | Aberystwyth | 01 | Swim Wales West Sub Regional Championships, Wales | 26/11/16 | 31.26 |
| 8 | Cameron Phillips | Aberystwyth | 00 | Swim Wales West Regional Championships, Haverfordwest | 12/02/17 | 31.43 |
| 9 | Sion Owen | Aberystwyth | 94 | Llanelli Autumn Meet, Llanelli | 03/10/09 | 31.86 |
| 10 | Jude Coleridge | Aberystwyth | 04 | Shewsbury ASC Spring Sprint Meet, Wolverhampton | 30/03/19 | 31.89 |
| 11 | Maxwell Glasser | Aberystwyth | 98 | Swim Wales West Regional Championships, Haverfordwest | 05/02/16 | 31.91 |
| 12 | Tomos Watson | Aberystwyth | 97 | SWWR Regional Championships, Haverford West | 06/02/15 | 32.31 |
| 13 | Ivan Rukov | Aberystwyth | 07 | Swim Wales Regional SC Championships - West 2023, Haverfordwest | 24/11/23 | 32.50 |
| 14 | Lewis Drakeley | Aberystwyth | 01 | SWWR Regional Championships, Haverford West | 06/02/15 | 34.01 |
| 15 | Teilo Courtier-Lilley | Aberystwyth | 99 | Llanelli ASC Autumn Meet 2012, Llanelli | 06/10/12 | 34.33 |
| 16 | Morgan Evans | Aberystwyth | 01 | Swim Conwy Whitsun Meet, Llandudno | 28/05/16 | 34.94 |
| 17 | Robert Wallace | Aberystwyth | 98 | Llanelli Autumn Meet 2013, Llanelli | 05/10/13 | 35.03 |
| 18 | Daniel Warrender | Aberystwyth | 08 | Llanelli ASC Autumn Meet 2023, Llanelli | 08/10/23 | 36.14 |
| 19 | Jamie Owen | Aberystwyth | 95 | Llanelli Autumn Meet, Llanelli | 03/10/09 | 36.54 |
| 20 | Sion Davies | Aberystwyth | 00 | Amman Valley Open Meet 2013, Llanelli | 02/06/13 | 36.88 |
| 21 | Dion Parry | Aberystwyth | 94 | Llanelli Autumn Meet, Llanelli | 03/10/09 | 37.14 |
| 22 | Oliver Lerigo | Aberystwyth | 10 | Swim Conwy Spring Meet 2024, Llandudno | 16/03/24 | 37.68 |
| 23 | Ioan Mabbutt | Aberystwyth | 06 | Swim Wales West Sub Regional Championships, Haverfordwest | 23/11/19 | 37.77 |
| 24 | Benjamin Jones | Aberystwyth | 96 | Wrexham 5th Spring Meet, Wrexham | 03/05/08 | 37.83 |
| 25 | Jacob Massey | Aberystwyth | 03 | Amman Valley Open Meet 2018, Carmarthen | 06/05/18 | 37.93 |
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