Female - Long Course - 100m Backstroke - Aberystwyth and District Swimmin - All Time - Open Age Group
| Rank | Name | Ranked Club | YoB | Meet | Date | Time |
|---|---|---|---|---|---|---|
| 1 | Cari-Fflur Davies | Aberystwyth | 84 | WASA Dragon Meet 2004, Swansea | 28/02/04 | 1:08.05 |
| 2 | Lauren Elspeth Harries | Aberystwyth | 93 | Welsh Summer Nationals, Swansea | 02/08/07 | 1:10.60 |
| 3 | Elinor Thorogood | Aberystwyth | 92 | Welsh Age & Youth Champs, Swansea | 20/03/08 | 1:12.38 |
| 4 | Cari O'Rourke | Aberystwyth | 98 | Swim Wales Summer Nationals, Swansea | 30/07/13 | 1:13.43 |
| 5 | Cerian Davies | Aberystwyth | 93 | Plymouth Long Course Open, Millfield | 14/12/07 | 1:15.18 |
| 6 | Holly-Ellice Jones | Aberystwyth | 05 | Swim Wales Summer Nationals, Swansea | 01/08/18 | 1:16.11 |
| 7 | Mali Jones | Aberystwyth | 01 | City of Cardiff Open Meet, Cardiff | 29/05/16 | 1:16.41 |
| 8 | Elen Morgan | Aberystwyth | 05 | Swim Wales Welsh Development (Youth Panel) 2022, Swansea | 26/06/22 | 1:16.79 |
| 9 | Sioned Wallwork | Aberystwyth | 01 | Swim Wales Summer Open Meet, Swansea | 25/07/15 | 1:17.94 |
| 10 | Lila Evans | Aberystwyth | 05 | Swansea Aquatics Long Course Meet 2018, WNPS | 13/05/18 | 1:18.45 |
| 11 | Alaw O'Rourke | Aberystwyth | 00 | Swim Wales Legend Meet, Swansea | 20/09/14 | 1:18.75 |
| 12 | Iyla Berner | Aberystwyth | 13 | City of Swansea Aquatics Spring LC Open Meet 2024, Swansea | 09/03/24 | 1:18.85 |
| 13 | Lily-May Welsby | Aberystwyth | 07 | Swim Wales Welsh Development (Youth Panel) 2022, Swansea | 26/06/22 | 1:18.89 |
| 14 | Bethan Lewis | Aberystwyth | 93 | Welsh Summer Nationals, Swansea | 02/08/07 | 1:19.84 |
| 15 | Megan Jones | Aberystwyth | 93 | Swim Swansea LC Meet, Swansea | 16/05/09 | 1:19.98 |
| 16 | Leanna Williams | Aberystwyth | 03 | Gemau Cymru Swimming Nationals, WNPS | 06/07/18 | 1:20.31 |
| 17 | Seren Griffith | Aberystwyth | 01 | Swim Wales Summer Open Meet, Swansea | 25/07/15 | 1:20.49 |
| 18 | Judith Phillips | Aberystwyth | 93 | WASA Age & Youth Champs, Swansea | 14/04/06 | 1:20.54 |
| 19 | Talesia Janes | Aberystwyth | 99 | Frome & Wells 3 Towers Open Meet, Millfield | 06/04/14 | 1:21.16 |
| 20 | Shannon Sayer | Aberystwyth | 00 | Tiger Bay Open Meet 2014, Cardiff | 23/03/14 | 1:21.35 |
| 21 | Nansi Dingle | Aberystwyth | 99 | City of Cardiff Tiger Bay Meet, Cardiff | 13/03/16 | 1:21.90 |
| 22 | Selena Williams | Aberystwyth | 03 | Swim Wales Summer Nationals, Swansea | 01/08/18 | 1:22.08 |
| 23 | Gwennan Filmer | Aberystwyth | 12 | Swim Wales Regional Racing Series - West 2024, Swansea | 11/02/24 | 1:23.30 |
| 24 | Caryl Jones | Aberystwyth | 93 | Welsh Nationals 2006, Swansea | 04/08/06 | 1:25.06 |
| 25 | Tirion Sherman Higgs | Aberystwyth | 07 | Swim Wales Summer Nationals, Swansea | 01/08/19 | 1:25.36 |