Open/Male - Short Course - 100m Freestyle - 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 | 21/10/07 | 52.04 |
| 2 | Sion Owen | Aberystwyth | 94 | West Wales Regional Championships, Haverfordwest | 11/02/12 | 54.65 |
| 3 | James Raw | Leic Sharks | 07 | Swim Wales Winter Championships 2022, Swansea | 17/12/22 | 54.75 |
| 4 | Steffan Herdman | Aberystwyth | 99 | Torfaen Short Course Meet 2016, Newport | 09/07/16 | 56.45 |
| 5 | Joshua Nathanie Harries | Aberystwyth | 92 | West Wales Regional Champs, Penlan | 15/02/07 | 56.99 |
| 6 | James Payne | Aberystwyth | 01 | Swim Wales West Regional Championships, Haverfordwest | 12/02/17 | 57.54 |
| 7 | Isaac Williamson-Evans | Aberystwyth | 97 | Llanelli Autumn Meet 2013, Llanelli | 05/10/13 | 58.23 |
| 8 | Shaun Timothy Lewis | Aberystwyth | 91 | Torfaen Sprint Meet, Newport | 05/07/08 | 58.72 |
| Cameron Phillips | Aberystwyth | 00 | Conwy Autumn Meet, Llandudno | 07/10/17 | 58.72 | |
| 10 | Tomos Watson | Aberystwyth | 97 | SWWR Regional Championships, Haverford West | 06/02/15 | 58.75 |
| 11 | Joseph Gorman | Aberystwyth | 04 | Shrewsbury ASC Christmas County Qualifier 2021, Shrewsbury | 11/12/21 | 59.25 |
| 12 | Teilo Courtier-Lilley | Aberystwyth | 99 | West Wales Regional Championships, Haverfordwest | 08/02/14 | 59.33 |
| 13 | Maxwell Glasser | Aberystwyth | 98 | Gwynedd AA + B Meet, Llandudno | 27/02/16 | 59.77 |
| 14 | Jacob Massey | Aberystwyth | 03 | Swim Wales West Sub Regional Championships, Haverfordwest | 24/11/19 | 1:00.79 |
| 15 | Jude Coleridge | Aberystwyth | 04 | Shewsbury ASC Spring Sprint Meet, Wolverhampton | 30/03/19 | 1:01.34 |
| 16 | Ivan Rukov | Aberystwyth | 07 | Swim Wales Regional SC Championships - West 2023, Haverfordwest | 25/11/23 | 1:02.01 |
| 17 | Dylan Skym | Aberystwyth | 01 | SW West Region Sub Regional Championships, Haverfordwest | 25/11/18 | 1:02.13 |
| 18 | Robert Wallace | Aberystwyth | 98 | West Wales Sub Regional Championships, Haverfordwest | 30/11/13 | 1:02.64 |
| 19 | Lewis Drakeley | Aberystwyth | 01 | SWWR Regional Championships, Haverford West | 06/02/15 | 1:03.46 |
| 20 | Morgan Evans | Aberystwyth | 01 | Menai AA & B, Llandudno | 25/02/18 | 1:04.55 |
| 21 | Benjamin Jones | Aberystwyth | 96 | Torfaen Sprint Meet, Newport | 05/07/08 | 1:04.65 |
| 22 | Jamie Owen | Aberystwyth | 95 | West Wales Regional Champs, Haverfordwest | 07/02/10 | 1:05.94 |
| 23 | Iestyn Watson | Aberystwyth | 00 | Gwynedd AA & B Grade Meet, Llandudno | 07/03/15 | 1:07.52 |
| 24 | Morgan Revell | Aberystwyth | 99 | West Wales Regional Championships, Haverfordwest | 08/02/14 | 1:08.42 |
| 25 | Sion Davies | Aberystwyth | 00 | West Wales Sub Regional Championships, Haverfordwest | 01/12/13 | 1:08.88 |
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