Open/Male - Short 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 | West Wales Regional Championships, Haverfordwest | 12/02/12 | 1:10.39 |
| 2 | Steffan Herdman | Aberystwyth | 99 | Swim Wales West Regional Championships, Haverfordwest | 05/02/17 | 1:10.42 |
| 3 | Sam Middleton | Aberystwyth | 89 | West Wales Regional Champs, Penlan | 15/02/07 | 1:12.83 |
| 4 | Maxwell Glasser | Aberystwyth | 98 | Gwynedd AA + B Meet, Llandudno | 27/02/16 | 1:15.41 |
| 5 | Cameron Phillips | Aberystwyth | 00 | Swim Wales West Regional Championships, Haverfordwest | 05/02/17 | 1:15.78 |
| 6 | James Payne | Aberystwyth | 01 | Torfaen Dolphins Summer Open Meet 2017, Newport | 08/07/17 | 1:16.06 |
| 7 | Joshua Nathanie Harries | Aberystwyth | 92 | West Wales Regional Champs, Penlan | 15/02/07 | 1:16.37 |
| 8 | Joseph Gorman | Aberystwyth | 04 | Nofio Sir Gar Swimming Invitational Meet, Carmarthen | 29/01/22 | 1:17.15 |
| 9 | Shaun Timothy Lewis | Aberystwyth | 91 | Llanelli Open Meet, Llanelli | 08/03/08 | 1:17.37 |
| 10 | Morgan Evans | Aberystwyth | 01 | Menai AA & B, Llandudno | 25/02/18 | 1:18.52 |
| 11 | Jude Coleridge | Aberystwyth | 04 | City of Cardiff Capital Open Meet, Cardiff | 03/11/18 | 1:23.59 |
| 12 | Robert Wallace | Aberystwyth | 98 | Menai AA & B Grade Meet, Bangor | 23/02/13 | 1:24.19 |
| 13 | Isaac Williamson-Evans | Aberystwyth | 97 | Llanelli Autumn Meet 2013, Llanelli | 05/10/13 | 1:24.42 |
| 14 | Tomos Watson | Aberystwyth | 97 | Gwynedd AA & B Grade Meet, Llandudno | 07/03/15 | 1:25.08 |
| 15 | Lewis Drakeley | Aberystwyth | 01 | Amman Valley Open Meet 2014, Carmathen | 01/06/14 | 1:25.11 |
| 16 | Benjamin Jones | Aberystwyth | 96 | Cath Ankers B Grade Meet, Wrexham | 14/06/08 | 1:26.09 |
| 17 | Teilo Courtier-Lilley | Aberystwyth | 99 | Llanelli ASC Autumn Meet 2012, Llanelli | 06/10/12 | 1:26.48 |
| 18 | Finley Saycell | Aberystwyth | 09 | Nofio Sir Gar Swimming Invitational Meet, Carmarthen | 29/01/22 | 1:29.40 |
| 19 | Oliver Lerigo | Aberystwyth | 10 | Swim Conwy Spring Meet 2024, Llandudno | 16/03/24 | 1:29.87 |
| 20 | Jamie Owen | Aberystwyth | 95 | West Wales Regional Champs, Haverfordwest | 14/02/10 | 1:30.43 |
| 21 | Finley Marshall | Aberystwyth | 09 | NSG Swimming Invitational Meet inc Carmarthenshire, Carmarthen | 15/01/23 | 1:31.44 |
| 22 | James Raw | Leic Sharks | 07 | Shropshire ASA County Championships, Wolverhampton | 27/01/19 | 1:31.91 |
| 23 | Sion Hughes | Aberystwyth | 95 | West Wales Sub Regional, Penlan | 04/12/10 | 1:32.15 |
| 24 | Sion Davies | Aberystwyth | 00 | West Wales Sub Regional Championships, Haverfordwest | 01/12/13 | 1:32.28 |
| 25 | Aaron Jones | Aberystwyth | 07 | Llanelli ASC Autumn Meet 2023, Llanelli | 08/10/23 | 1:33.05 |
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