| 2024 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 46.4 | | | | 1 | | | | Aberdare | UK Youth Development League Upper - Midlands S/W A | 28 Apr 24 |
| 4x100 | 47.43 | | | | 1 | | | | Yate | UK Youth Development League Upper - Midlands S/W A | 26 May 24 |
| 2023 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 48.33 | | | | 1 | | | | Yate | UK Youth Development League Upper - Midlands South/West A | 30 Apr 23 |
| 4x100 | 48.59 | | | | 1 | | | | Carmarthen | UK Youth Development League Upper - Midlands South/West A | 28 May 23 |
| 4x100 | 48.82 | | | | 2 | | | | Cardiff | UK Youth Development League Midlands South West Promotion Match | 30 Jul 23 |
| 4x400 | 3:58.01 | | | | 1 | | | | Cardiff | UK Youth Development League Midlands South West Promotion Match | 30 Jul 23 |
| 2022 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x400 | 3:39.2 | | | | 1 | | | | Aberdare | UK Youth Development League Upper Midlands S/W Promotion Match | 7 Aug 22 |
| 4x400 | 3:55.49 | | | | 3 | | | | Swansea | UK Youth Development League Upper Midlands South/West Premier | 29 May 22 |
| 2021 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.31 | | | | 1 | | | | Aberdare | Youth Development League Upper Midlands South/West A | 25 Jul 21 |
| 4x400 | 3:42.32 | | | | 1 | | | | Aberdare | Youth Development League Upper Midlands South/West A | 5 Sep 21 |
| 2019 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 43.96 | | | | 1 | | | | Swansea | UK Youth Development U17/U20 League Division Midland Premier SW | 5 May 19 |
| 4x100 | 44.73 | | | | 1 | | | | Cardiff | UK Youth Development U17/U20 League Division Midland Premier SW | 30 Jun 19 |
| 4x400 | 3:42.11 | | | | 1 | | | | Swansea | UK Youth Development U17/U20 League Division Midland Premier SW Promotion Match | 28 Jul 19 |
| 4x400 | 3:45.13 | | | | 3 | | | | Cardiff | UK Youth Development U17/U20 League Division Midland Premier SW | 30 Jun 19 |
| 4x400 | 3:45.93 | | | | 3 | | | | Swansea | UK Youth Development U17/U20 League Division Midland Premier SW | 5 May 19 |
| 2018 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.81 | | | | 2 | | | | Swansea | UK Youth Development U17/U20 League Midland SW Promotion Match | 29 Jul 18 |
| 4x100 | 46.75 | | | | 3 | | | | Swansea | UK Youth Development U17/U20 League Division Midland Premier SW | 29 Apr 18 |
| 4x100 | 47.85 | | | | 4 | | | | Exeter | UK Youth Development U17/U20 League Division Midland Premier SW | 1 Jul 18 |
| 4x100 | 48.02 | | | | 4 | | | | Cardiff | UK Youth Development U17/U20 League Division Midland Premier SW | 27 May 18 |
| 4x400 | 3:43.04 | | | | 4 | | | | Cardiff | UK Youth Development U17/U20 League Division Midland Premier SW | 27 May 18 |
| 4x400 | 3:45.83 | | | | 3 | | | | Swansea | UK Youth Development U17/U20 League Midland SW Promotion Match | 29 Jul 18 |
| 4x400 | 3:52.71 | | | | 4 | | | | Swansea | UK Youth Development U17/U20 League Division Midland Premier SW | 29 Apr 18 |
| 4x400 | 3:57.38 | | | | 5 | | | | Exeter | UK Youth Development U17/U20 League Division Midland Premier SW | 1 Jul 18 |
| 2017 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 46.1 | | | | 4 | | | | Cheltenham | UK Youth Development U17/U20 League Division Midland Premier South/West | 28 May 17 |
| 4x100 | 46.62 | | | | 4 | | | | Cardiff | UK Youth Development U17/U20 League Division Midland Premier South/West | 25 Jun 17 |
| 4x100 | 46.72 | | | | 2 | | | | Newport | UK Youth Development U17/U20 League Midland South/West Promotion Match | 23 Jul 17 |
| 4x100 | 48.22 | | | | 5 | | | | Yate | UK Youth Development U17/U20 League Division Midland Premier South/West | 30 Apr 17 |
| 4x400 | 3:48.1 | | | | 4 | | | | Cheltenham | UK Youth Development U17/U20 League Division Midland Premier South/West | 28 May 17 |
| 4x400 | 3:51.27 | | | | 2 | | | | Newport | UK Youth Development U17/U20 League Midland South/West Promotion Match | 23 Jul 17 |
| 4x400 | 3:57.99 | | | | 4 | | | | Cardiff | UK Youth Development U17/U20 League Division Midland Premier South/West | 25 Jun 17 |
| 2016 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 46.42 | | | | 3 | | | | Newport | UK Youth Development U17/U20 League Division Midland Premier South/West | 29 May 16 |
| 4x100 | 46.89 | | | | 3 | | | | Carmarthen | UK Youth Development U17/U20 League Division Midland Premier South | 26 Jun 16 |
| 4x100 | 47.04 | | | | 4 | | | | Yeovil | UK Youth Development U17/U20 League Division Midland Premier South | 24 Jul 16 |
| 4x100 | 47.63 | | | | 3 | | | | Plymouth | UK Youth Development U17/U20 League Division Midland Premier South/West | 1 May 16 |
| 4x400 | 3:35.36 | | | | 2 | | | | Carmarthen | UK Youth Development U17/U20 League Division Midland Premier South | 26 Jun 16 |
| 4x400 | 3:37.74 | | | | 1 | | | | Newport | UK Youth Development U17/U20 League Division Midland Premier South/West | 29 May 16 |
| 4x400 | 3:55.76 | | | | 5 | | | | Yeovil | UK Youth Development U17/U20 League Division Midland Premier South | 24 Jul 16 |
| 4x400 | 4:13.50 | | | | 5 | | | | Plymouth | UK Youth Development U17/U20 League Division Midland Premier South/West | 1 May 16 |
| 2015 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 46.7 | | | | 6 | | | | Yate | UK Youth Development U17/U20 League Division Midland Premier South/West | 18 Apr 15 |
| 4x100 | 46.88 | | | | 4 | | | | Cardiff | UK Youth Development U17/U20 League Division Midland Premier South/West | 16 May 15 |
| 4x100 | 47.3 | | | | 4 | | | | Cheltenham | UK Youth Development U17/U20 League Division Midland Premier South/West | 28 Jun 15 |
| 4x100 | 47.8 | | | | 6 | | | | Swansea | UK Youth Development U17/U20 League Division Midland Premier South/West | 26 Jul 15 |
| 4x400 | 3:38.32 | | | | 2 | | | | Cardiff | UK Youth Development U17/U20 League Division Midland Premier South/West | 16 May 15 |
| 4x400 | 3:41.79 | | | | 4 | | | | Yate | UK Youth Development U17/U20 League Division Midland Premier South/West | 18 Apr 15 |
| 4x400 | 3:46.6 | | | | 3 | | | | Cheltenham | UK Youth Development U17/U20 League Division Midland Premier South/West | 28 Jun 15 |
| 4x400 | 3:49.0 | | | | 3 | | | | Swansea | UK Youth Development U17/U20 League Division Midland Premier South/West | 26 Jul 15 |
| 2014 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.4 | | | | 1 | | | | Yeovil | UK Youth Development U17/U20 League Division Midland West 1 | 27 Jul 14 |
| 4x100 | 47.6 | | | | 1 | | | | Gloucester | UK Youth Development U17/U20 League Division Midland West 1 | 27 Apr 14 |
| 4x400 | 3:35.3 | | | | 1 | | | | Yeovil | UK Youth Development U17/U20 League Division Midland West 1 | 27 Jul 14 |
| 4x400 | 3:54.8 | | | | 3 | | | | Gloucester | UK Youth Development U17/U20 League Division Midland West 1 | 27 Apr 14 |
| 2013 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.13 | | | | 1 | | | | Cardiff | UK Youth Development U17/U20 League Division Midland West 1 | 28 Apr 13 |
| 4x100 | 45.3 | | | | 1 | | | | Solihull | UK Youth Development U17/U20 League Division Midland West 1 | 30 Jun 13 |
| 4x100 | 47.4 | | | | 1 | | | | Wolverhampton | UK Youth Development U17/U20 League Division Midland West 1 | 28 Jul 13 |
| 4x100 | 48.20 | | | | 2 | | | | Cardiff | UK Youth Development U17/U20 League Division Midland West 1 | 2 Jun 13 |
| 4x400 | 3:36.45 | | | | 2 | | | | Cardiff | UK Youth Development U17/U20 League Division Midland West 1 | 28 Apr 13 |
| 4x400 | 3:46.2 | | | | 5 | | | | Solihull | UK Youth Development U17/U20 League Division Midland West 1 | 30 Jun 13 |
| 4x400 | 3:46.38 | | | | 3 | | | | Cardiff | UK Youth Development U17/U20 League Division Midland West 1 | 2 Jun 13 |
| 4x400 | 3:59.8 | | | | 4 | | | | Wolverhampton | UK Youth Development U17/U20 League Division Midland West 1 | 28 Jul 13 |
| 2012 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 43.82 | | | | 2 | | | | Yate | National Junior Athletic League Midland Premier Division | 24 Jun 12 |
| 4x100 | 45.32 | | | | 7 | | | | Derby | National Junior Athletics League Final | 9 Sep 12 |
| 4x100 | 45.51 | | | | 5 | | | | Swansea | National Junior Athletic League Midland Premier Division | 22 Jul 12 |
| 4x400 | 3:33.54 | | | | 7 | | | | Derby | National Junior Athletics League Final | 9 Sep 12 |
| 4x400 | 3:34.34 | | | | 4 | | | | Swansea | National Junior Athletic League Midland Premier Division | 22 Jul 12 |
| 4x400 | 3:37.30 | | | | 5 | | | | Yate | National Junior Athletic League Midland Premier Division | 24 Jun 12 |
| 4x400 | 3:39.1 | | | | 7 | | | | Derby | National Junior Athletic League Midland Premier Division | 12 Aug 12 |
| 2011 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 43.84 | | | | 4 | | | | Derby | National Junior League National Final | 11 Sep 11 |
| 4x100 | 44.68 | | | | 3 | | | | Cardiff | National Junior League Midland Premier Division | 24 Jul 11 |
| 4x100 | 44.9 | | | | 5 | | | | Sutton Coldfield | National Junior League Midland Premier Division | 29 May 11 |
| 4x100 | 45.47 | | | | 2 | | | | Connah's Quay | Welsh Inter Regional Championships | 28 Aug 11 |
| 4x100 | 46.3 | | | | 6 | | | | Derby | National Junior League Midland Premier Division | 10 Jul 11 |
| 4x100 | 46.65 | | | | 7 | | | | Loughborough | National Junior League Midland Premier Division | 1 May 11 |
| 4x400 | 3:31.10 | | | | 6 | | | | Derby | National Junior League National Final | 11 Sep 11 |
| 4x400 | 3:31.5 | | | | 3 | | | | Cardiff | National Junior League Midland Premier Division | 24 Jul 11 |
| 4x400 | 3:34.46 | | | | 2 | | | | Loughborough | National Junior League Midland Premier Division | 1 May 11 |
| 4x400 | 3:34.5 | | | | 4 | | | | Derby | National Junior League Midland Premier Division | 10 Jul 11 |
| 4x400 | 3:37.0 | | | | 4 | | | | Sutton Coldfield | National Junior League Midland Premier Division | 29 May 11 |
| 2010 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 43.6 | | | | 1 | | | | Stafford | National Junior Athletic League Midland Premier | 27 Jun 10 |
| 4x100 | 44.1 | | | | 2 | | | | Swansea | National Junior Athletic League Midland Premier | 23 May 10 |
| 4x100 | 44.41 | | | | 5 | | | | Derby | National Junior Athletic League National Final | 12 Sep 10 |
| 4x100 | 45.0 | | | | 3 | | | | Loughborough | National Junior Athletic League Midland Premier | 25 Apr 10 |
| 4x100 | 46.01 | | | | 3 | | | | Cardiff | Welsh Inter Regional Championships | 29 Aug 10 |
| 4x400 | 3:30.0 | | | | 2 | | | | Stafford | National Junior Athletic League Midland Premier | 27 Jun 10 |
| 4x400 | 3:31.9 | | | | 3 | | | | Loughborough | National Junior Athletic League Midland Premier | 25 Apr 10 |
| 4x400 | 3:33.0 | | | | 2 | | | | Swansea | National Junior Athletic League Midland Premier | 23 May 10 |
| 4x400 | 3:33.21 | | | | 7 | | | | Derby | National Junior Athletic League National Final | 12 Sep 10 |
| 4x400 | 3:35.6 | | | | 4 | | | | Mansfield | National Junior Athletic League Midland Premier | 25 Jul 10 |
| 2009 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.2 | | | | 4 | | | | Derby | National Junior Athletic League Midland Premier | 24 May 09 |
| 4x100 | 45.58 | | | | 2 | | | | Swansea | Welsh Inter Regional Championships | 30 Aug 09 |
| 4x100 | 45.80 | | | | 5 | | | | Cardiff | National Junior Athletic League Midland Premier | 27 Jul 09 |
| 4x400 | 3:48.8 | | | | 8 | | | | Derby | National Junior Athletic League Midland Premier | 24 May 09 |
| 4x400 | 4:16.18 | | | | 8 | | | | Cardiff | National Junior Athletic League Midland Premier | 27 Jul 09 |
| 2008 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.91 | | | | 7 | | | | Derby | National Junior Athletic League - National Final | 14 Sep 08 |
| 4x400 | 3:37.37 | | | | 6 | | | | Birmingham | National Junior Athletic League - Midland Premier | 27 Apr 08 |
| 2007 U20 West Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.6 | | | | 6 | | | | Cardiff | National Junior League Midland Premier | 1 Jul 07 |
| 4x100 | 45.9 | | | | 5 | | | | Derby | National Junior League Midland Premier | 29 Apr 07 |
| 4x400 | 3:31.2 | | | | 2 | | | | Cardiff | National Junior League Midland Premier | 1 Jul 07 |