| 2024 U20 North Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.55 | | | | 5 | | | | Stretford | UK Youth Development League Upper - North Premier West | 28 Apr 24 |
| 4x100 | 45.8 | | | | 2 | | | | Bebington | UK Youth Development League Upper - North Premier West | 30 Jun 24 |
| 4x100 | 47.72 | | | | 3 | | | | Liverpool | UK Youth Development League Upper - North Premier West | 26 May 24 |
| 4x400 | 4:15.6 | | | | 2 | B | | | Bebington | UK Youth Development League Upper - North Premier West | 30 Jun 24 |
| 2023 U20 North Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.3 | | | | 1 | | | | Wrexham | UK Youth Development League Upper - Northern West 1 | 28 May 23 |
| 4x100 | 46.2 | | | | 1 | | | | Ellesmere Port | UK Youth Development League Upper - Northern West 1 | 30 Apr 23 |
| 4x400 | 3:41.3 | | | | 1 | | | | Wrexham | UK Youth Development League Upper - Northern West 1 | 28 May 23 |
| 4x400 | 3:44.2 | | | | 1 | | | | Ellesmere Port | UK Youth Development League Upper - Northern West 1 | 30 Apr 23 |
| 2022 U20 North Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.11 | | | | 3 | | | | Stretford | UK Youth Development League Upper Northern Premier West | 26 Jun 22 |
| 4x100 | 46.35 | | | | 4 | | | | Stretford | UK Youth Development League Upper Northern Premier West | 29 May 22 |
| 4x400 | 3:50.55 | | | | 4 | | | | Stretford | UK Youth Development League Upper Northern Premier West | 26 Jun 22 |
| 2021 U20 North Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.0 | | | | 2 | | | | Ellesmere Port | Youth Development League Upper Northern Merseyside | 30 May 21 |
| 4x100 | 45.7 | | | | 2 | | | | Bebington | Youth Development League Upper Northern Merseyside | 25 Jul 21 |
| 4x100 | 46.6 | | | | 3 | | | | Liverpool | Youth Development League Upper Northern Merseyside | 5 Sep 21 |
| 2019 U20 North Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 46.0 | | | | 3 | | | | Wigan | UK Youth Development U17/U20 League Division North West 1 | 30 Jun 19 |
| 4x400 | 3:36.8 | | | | 2 | | | | Sportcity | UK Youth Development U17/U20 League Division North West 1 | 26 May 19 |
| 4x400 | 3:39.0 | | | | 3 | | | | Wigan | UK Youth Development U17/U20 League Division North West 1 | 30 Jun 19 |
| 4x400 | 3:43.2 | | | | 2 | | | | Preston | UK Youth Development U17/U20 League Division North West 1 | 5 May 19 |
| 2018 U20 North Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.6 | | | | 2 | | | | York | UK Youth Development U17/U20 League Division North Premier 2 | 1 Jul 18 |
| 4x100 | 46.60 | | | | 4 | | | | Stretford | UK Youth Development U17/U20 League Division North Premier 2 | 27 May 18 |
| 4x400 | 3:42.25 | | | | 4 | | | | Stretford | UK Youth Development U17/U20 League Division North Premier 2 | 27 May 18 |
| 4x400 | 3:43.7 | | | | 4 | | | | York | UK Youth Development U17/U20 League Division North Premier 2 | 1 Jul 18 |
| 4x400 | 3:43.78 | | | | 3 | | | | Leeds (JC) | UK Youth Development U17/U20 League Division North Premier 2 | 29 Apr 18 |
| 2017 U20 North Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.85 | | | | 5 | | | | Stretford | UK Youth Development U17/U20 League Division North Premier West | 28 May 17 |
| 4x100 | 47.7 | | | | 4 | | | | Wrexham | UK Youth Development U17/U20 League Division North Premier West | 23 Jul 17 |
| 4x100 | 47.8 | | | | 4 | | | | Preston | UK Youth Development U17/U20 League Division North Premier West | 30 Apr 17 |
| 4x400 | 3:35.49 | | | | 2 | | | | Stretford | UK Youth Development U17/U20 League Division North Premier West | 28 May 17 |
| 4x400 | 3:37.11 | | | | 2 | | | | Stretford | UK Youth Development U17/U20 League Division North Premier West | 25 Jun 17 |
| 4x400 | 3:38.1 | | | | 2 | | | | Wrexham | UK Youth Development U17/U20 League Division North Premier West | 23 Jul 17 |
| 4x400 | 3:39.5 | | | | 2 | | | | Preston | UK Youth Development U17/U20 League Division North Premier West | 30 Apr 17 |
| 2016 U20 North Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 46.6 | | | | 3 | | | | Crewe | UK Youth Development U17/U20 League Division North West 1 | 29 May 16 |
| 4x100 | 47.7 | | | | 1 | | | | Connah's Quay | UK Youth Development U17/U20 League Division North West 1 | 24 Jul 16 |
| 4x100 | 48.2 | | | | 2 | | | | Wigan | UK Youth Development U17/U20 League Division North West 1 | 26 Jun 16 |
| 4x400 | 3:32.8 | | | | 1 | | | | Connah's Quay | UK Youth Development U17/U20 League Division North West 1 | 24 Jul 16 |
| 4x400 | 3:42.9 | | | | 1 | | | | Wigan | UK Youth Development U17/U20 League Division North West 1 | 26 Jun 16 |
| 4x400 | 3:51.3 | | | | 2 | | | | Crewe | UK Youth Development U17/U20 League Division North West 1 | 29 May 16 |
| 2015 U20 North Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.2 | | | | 3 | | | | Blackburn | UK Youth Development U17/U20 League Division North West 1 | 18 Apr 15 |
| 2013 U20 North Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.1 | | | | 1 | | | | Wrexham | UK Youth Development U17/U20 League Division Northern West 1 | 28 Apr 13 |
| 4x100 | 45.3 | | | | 2 | | | | Stretford | UK Youth Development U17/U20 League Division Northern West 1 | 2 Jun 13 |
| 4x100 | 45.5 | | | | 2 | | | | Wigan | UK Youth Development U17/U20 League Division Northern West 1 | 30 Jun 13 |
| 4x400 | 3:37.7 | | | | 1 | | | | Stretford | UK Youth Development U17/U20 League Division Northern West 1 | 2 Jun 13 |
| 4x400 | 3:43.0 | | | | 2 | | | | Wrexham | UK Youth Development U17/U20 League Division Northern West 1 | 28 Apr 13 |
| 2012 U20 North Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 44.56 | | | | 1 | | | | Wrexham | National Junior Athletic League Mersey Division | 12 Aug 12 |
| 4x100 | 45.7 | | | | 1 | | | | Preston | National Junior Athletic League Mersey Division | 22 Jul 12 |
| 4x400 | 3:30.95 | | | | 1 | | | | Wrexham | National Junior Athletic League Mersey Division | 12 Aug 12 |
| 4x400 | 3:37.8 | | | | 1 | | | | Hyndburn | National Junior Athletic League Mersey Division | 24 Jun 12 |
| 4x400 | 3:37.8 | | | | 1 | | | | Preston | National Junior Athletic League Mersey Division | 22 Jul 12 |
| 2011 U20 North Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.7 | | | | 2 | | | | Bebbington | National Junior League Mersey Division | 24 Jul 11 |
| 4x100 | 45.9 | | | | 1 | | | | Wigan | National Junior League Mersey Division | 10 Jul 11 |
| 4x100 | 47.5 | | | | 3 | | | | Blackburn | National Junior League Mersey Division | 1 May 11 |
| 4x100 | 47.86 | | | | 3 | | | | Connah's Quay | Welsh Inter Regional Championships | 28 Aug 11 |
| 4x400 | 3:40.5 | | | | 2 | | | | Blackburn | National Junior League Mersey Division | 1 May 11 |
| 4x400 | 3:44.5 | | | | 2 | | | | Bebbington | National Junior League Mersey Division | 24 Jul 11 |
| 4x400 | 3:46.3 | | | | 2 | | | | Wigan | National Junior League Mersey Division | 10 Jul 11 |
| 4x400 | 3:54.2 | | | | 3 | | | | Liverpool | National Junior League Mersey Division | 29 May 11 |
| 2010 U20 North Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 44.77 | | | | 1 | | | | Cardiff | Welsh Inter Regional Championships | 29 Aug 10 |
| 4x100 | 46.9 | | | | 1 | Inv | | | Wigan | National Junior Athletic League Mersey | 25 Apr 10 |
| 4x100 | 47.5 | | | | 2 | | | | Liverpool | National Junior Athletic League Mersey | 23 May 10 |
| 4x100 | 48.70 | | | | 2 | | | | Bebbington | National Junior Athletic League Mersey | 25 Jul 10 |
| 4x400 | 3:40.5 | | | | 3 | | | | Bebington | National Junior Athletic League Mersey | 25 Jul 10 |
| 4x400 | 3:49.3 | | | | 2 | | | | Liverpool | National Junior Athletic League Mersey | 23 May 10 |
| 2009 U20 North Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 46.9 | | | | 5 | | | | Preston | National Junior Athletic League Mersey | 24 May 09 |
| 4x400 | 4:00.6 | | | | 7 | | | | Preston | National Junior Athletic League Mersey | 24 May 09 |
| 2008 U20 North Wales |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.6 | | | | 4 | | | | Wigan | National Junior Athletic League - Northern Promotion | 7 Sep 08 |
| 4x100 | 46.0 | | | | 2 | A | | | Liverpool | National Junior Athletic League - Mersey | 29 Jun 08 |