| 2024 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.52 | | | | 1 | | | | Yate | UK Youth Development League Lower - Midland Premier S/W | 23 Jun 24 |
| 4x100 | 48.3 | | | | 2 | | | | Gloucester | UK Youth Development League Lower - Midland Premier S/W | 19 May 24 |
| 4x100 | 49.4 | | | | 1 | | | | Newport | UK Youth Development League Lower - Midland Premier S/W | 20 Apr 24 |
| 4x300 | 2:43.0 | | | | 1 | | | | Gloucester | UK Youth Development League Lower - Midland Premier S/W | 19 May 24 |
| 4x300 | 3:00.61 | | | | 3 | | | | Yate | UK Youth Development League Lower - Midland Premier S/W | 23 Jun 24 |
| 2023 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 48.84 | | | | 1 | | | | Swindon | UK Youth Development League Lower - Midland Premier South/West | 3 Jun 23 |
| 4x100 | 49.43 | | | | 1 | | | | Swindon | UK Youth Development League Midlands Regional Final | 22 Jul 23 |
| 4x100 | 50.83 | | | | 2 | | | | Carmarthen | UK Youth Development League Lower - Midland Premier South/West | 7 May 23 |
| 4x100 | 51.0 | | | | 3 | | | | Cardiff | Welsh Junior League Match 1 | 20 May 23 |
| 4x300 | 2:53.30 | | | | 4 | | | | Swindon | UK Youth Development League Midlands Regional Final | 22 Jul 23 |
| 4x300 | 2:59.48 | | | | 5 | | | | Swindon | UK Youth Development League Lower - Midland Premier South/West | 3 Jun 23 |
| 4x300 | 3:03.6 | | | | 5 | | | | Cardiff | UK Youth Development League Lower - Midland Premier South/West | 8 Jul 23 |
| 4x300 | 3:14.57 | | | | 5 | | | | Carmarthen | UK Youth Development League Lower - Midland Premier South/West | 7 May 23 |
| 2022 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 48.0 | | | | 1 | | | | Swindon | UK Youth Development League Lower Midlands Premier South/West | 3 Jul 22 |
| 4x100 | 49.08 | | | | 3 | | | | Rugby | UK Youth Development League Lower Midlands Regional Final | 30 Jul 22 |
| 4x100 | 50.7 | | | | 1 | | | | Cheltenham | UK Youth Development League Lower Midlands Premier South/West | 21 May 22 |
| 4x100 | 50.94 | | | | 1 | | | | Aberdare | UK Youth Development League Lower Midlands South West Premier | 8 May 22 |
| 4x300 | 2:43.45 | | | | 2 | | | | Rugby | UK Youth Development League Lower Midlands Regional Final | 30 Jul 22 |
| 4x300 | 2:43.9 | | | | 1 | | | | Swindon | UK Youth Development League Lower Midlands Premier South/West | 3 Jul 22 |
| 4x300 | 2:48.5 | | | | 1 | | | | Cheltenham | UK Youth Development League Lower Midlands Premier South/West | 21 May 22 |
| 4x300 | 2:52.98 | | | | 1 | | | | Aberdare | UK Youth Development League Lower Midlands South West Premier | 8 May 22 |
| 2021 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 51.21 | | | | 1 | | | | Aberdare | Youth Development League Lower Midlands South/West B | 17 Jul 21 |
| 4x100 | 51.68 | | | | 3 | | | | Newport | Youth Development League Lower Midlands South/West B | 4 Sep 21 |
| 4x300 | 2:54.0 | | | | 1 | | | | Newport | Youth Development League Lower Midlands South/West B | 4 Sep 21 |
| 4x300 | 2:57.93 | | | | 1 | | | | Aberdare | Youth Development League Lower Midlands South/West B | 17 Jul 21 |
| 2019 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 48.35 | | | | 1 | | | | Aberdare | Welsh Junior League Division East | 29 Jun 19 |
| 4x100 | 49.30 | | | | 3 | A | | | Swansea | Welsh Junior League Cup Final | 25 Aug 19 |
| 4x100 | 49.92 | | | | 2 | | | | Aberdare | Welsh Junior League Division East | 25 May 19 |
| 4x100 | 50.24 | | | | 5 | | | | Birmingham | IAAF Diamond League | 18 Aug 19 |
| 4x100 | 50.26 | | | | 3 | | | | Swindon | UK Youth Development U13/U15 League Midland SW Promotion Match | 20 Jul 19 |
| 4x100 | 50.47 | | | | 3 | | | | Yate | UK Youth Development U13/U15 League Division Midland Premier SW | 23 Jun 19 |
| 4x100 | 51.8 | | | | 2 | | | | Cheltenham | UK Youth Development U13/U15 League Division Midland Premier SW | 18 May 19 |
| 4x100 | 52.4 | | | | 1 | | | | Swansea | UK Youth Development U13/U15 League Division Midland Premier SW | 27 Apr 19 |
| 4x100 | 52.46 | | | | 1 | | | | Hereford | Welsh Junior League Division East | 4 May 19 |
| 4x200 | 1:48.77 | i | | | 1 | | | | Cardiff | Welsh Athletics International | 3 Mar 19 |
| 4x200 | DQ | i | | | - | | | | Cardiff | Welsh Athletics Senior Championships | 26 Jan 19 |
| 4x300 | 2:45.10 | | | | 1 | | | | Swindon | UK Youth Development U13/U15 League Midland SW Promotion Match | 20 Jul 19 |
| 4x300 | 2:49.3 | | | | 1 | | | | Cheltenham | UK Youth Development U13/U15 League Division Midland Premier SW | 18 May 19 |
| 4x300 | 2:52.57 | | | | 2 | | | | Yate | UK Youth Development U13/U15 League Division Midland Premier SW | 23 Jun 19 |
| 4x300 | 3:10.5 | | | | 5 | | | | Swansea | UK Youth Development U13/U15 League Division Midland Premier SW | 27 Apr 19 |
| 2018 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 46.44 | | | | 1 | 1 | | | Cardiff Met | Welsh U15 League Division East | 3 Jun 18 |
| 4x100 | 47.0 | | | | 1 | | | | Yate | UK Youth Development U13/U15 League Division Midland Premier SW | 17 Jun 18 |
| 4x100 | 47.46 | | | | 2 | | | | Cardiff | Welsh Championships | 14 Jul 18 |
| 4x100 | 47.5 | | | | 1 | | | | Newport | Welsh U15 League Division East | 30 Jun 18 |
| 4x100 | 47.55 | | | | 1 | | | | Swansea | Welsh U15 League Cup Final | 19 Aug 18 |
| 4x100 | 48.02 | | | | 1 | | | | Hereford | Welsh U15 League Division East | 5 May 18 |
| 4x100 | 48.2 | | | | 2 | | | | Bath | UK Youth Development U13/U15 League Division Midland Premier SW | 19 May 18 |
| 4x100 | 48.66 | | | | 1 | | | | Swansea | UK Youth Development U13/U15 League Division Midland Premier SW | 21 Apr 18 |
| 4x100 | 53.72 | | | | 2 | | | | Newport | Welsh U15 League Division East | 28 Jul 18 |
| 4x100 | 60.4 | | | | 7 | | | | Swindon | UK Youth Development U13/U15 League Division Midland SW Promotion Match | 21 Jul 18 |
| 4x200 | 1:43.18 | i | | | 1 | 1 | | | Cardiff | Welsh Athletics Senior Championships | 27 Jan 18 |
| 4x200 | 2:03.64 | i | | | 4 | 2 | | | Cardiff | Welsh Athletics Senior Championships | 27 Jan 18 |
| 4x300 | 2:52.6 | | | | 3 | | | | Yate | UK Youth Development U13/U15 League Division Midland Premier SW | 17 Jun 18 |
| 4x300 | 2:53.4 | | | | 2 | | | | Swindon | UK Youth Development U13/U15 League Division Midland SW Promotion Match | 21 Jul 18 |
| 4x300 | 2:53.80 | | | | 2 | | | | Swansea | UK Youth Development U13/U15 League Division Midland Premier SW | 21 Apr 18 |
| 4x300 | 2:58.1 | | | | 5 | | | | Bath | UK Youth Development U13/U15 League Division Midland Premier SW | 19 May 18 |
| 2017 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.75 | | | | 1 | h1 | | | Cardiff | Welsh Championships | 9 Jun 17 |
| 4x100 | 47.75 | | | | 1 | h2 | | | Cardiff | Welsh Championships | 9 Jun 17 |
| 4x100 | 47.90 | | | | 1 | | | | Cardiff | Welsh U15 League Division East | 27 May 17 |
| 4x100 | 48.04 | | | | 1 | 1 | | | Newport | Welsh U15 League Division East | 22 Jul 17 |
| 4x100 | 48.1 | | | | 1 | | | | Swindon | UK Youth Development U13/U15 League Midlands South/West Promotion Match | 15 Jul 17 |
| 4x100 | 48.13 | | | | 2 | A | | | Newport | Welsh U15 League Final | 6 Aug 17 |
| 4x100 | 48.6 | | | | 1 | | | | Cheltenham | UK Youth Development U13/U15 League Division Midland Premier South/West | 18 Jun 17 |
| 4x100 | 48.88 | | | | 2 | | | | Yate | UK Youth Development U13/U15 League Division Midland Premier South/West | 22 Apr 17 |
| 4x100 | 48.98 | | | | 1 | | | | Newport | Welsh U15 League Division East | 8 Jul 17 |
| 4x100 | 49.47 | | | | 3 | h2 | | | Cardiff | Welsh Championships | 9 Jun 17 |
| 4x100 | 49.47 | | | | 3 | h1 | | | Cardiff | Welsh Championships | 9 Jun 17 |
| 4x100 | 49.61 | | | | 2 | | | | Yate | UK Youth Development U13/U15 League Division Midland Premier South/West | 20 May 17 |
| 4x100 | 49.90 | | | | 2 | | | | Cardiff | Welsh U15 League Division East | 27 May 17 |
| 4x100 | 50.04 | | | | 1 | | | | Hereford | Welsh U15 League Division East | 29 Apr 17 |
| 4x100 | 52.10 | | | | 3 | | | | Newport | Welsh U15 League Division East | 8 Jul 17 |
| 4x100 | 53.39 | | | | 4 | 1 | | | Newport | Welsh U15 League Division East | 22 Jul 17 |
| 4x100 | 53.87 | | | | 2 | | | | Hereford | Welsh U15 League Division East | 29 Apr 17 |
| 4x200 | 1:42.49 | i | | | 1 | 2 | | | Cardiff | Welsh Athletics International | 5 Mar 17 |
| 4x200 | 1:54.62 | i | | | 3 | 1 | | | Cardiff | Welsh Athletics International | 5 Mar 17 |
| 4x200 | 1:57.68 | i | | | 2 | 2 | | | Cardiff | Welsh Athletics International | 5 Mar 17 |
| 4x300 | 2:44.2 | | | | 1 | | | | Swindon | UK Youth Development U13/U15 League Midlands South/West Promotion Match | 15 Jul 17 |
| 4x300 | 2:44.5 | | | | 2 | | | | Cheltenham | UK Youth Development U13/U15 League Division Midland Premier South/West | 18 Jun 17 |
| 4x300 | 2:46.66 | | | | 1 | | | | Yate | UK Youth Development U13/U15 League Division Midland Premier South/West | 22 Apr 17 |
| 4x300 | 2:52.73 | | | | 2 | | | | Yate | UK Youth Development U13/U15 League Division Midland Premier South/West | 20 May 17 |
| 2016 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 48.01 | | | | 1 | | | | Cardiff | Welsh U15 League Division East | 9 Jul 16 |
| 4x100 | 48.06 | | | | 2 | | | | Cardiff | Welsh Athletics U20 International | 20 Jul 16 |
| 4x100 | 48.23 | | | | 1 | | | | Swansea | UK Youth Development U13/U15 League Division Midland Premier South/West | 21 May 16 |
| 4x100 | 48.40 | | | | 1 | | | | Newport | Welsh U15 League Division East | 5 Jun 16 |
| 4x100 | 48.55 | | | | 1 | | | | Newport | Welsh U15 League Division East | 28 May 16 |
| 4x100 | 48.58 | | | | 1 | | | | Swansea | UK Youth Development U13/U15 League Division Midland Premier South/West | 19 Jun 16 |
| 4x100 | 48.74 | | | | 1 | A | | | Newport | Welsh U15 League Final | 21 Aug 16 |
| 4x100 | 48.9 | | | | 1 | | | | Cheltenham | UK Youth Development U13/U15 League Division Midland Premier South/West | 16 Jul 16 |
| 4x100 | 49.53 | | | | 1 | 2 | | | Cardiff | Welsh Championships | 11 Jun 16 |
| 4x100 | 49.6 | | | | 1 | | | | Newport | UK Youth Development U13/U15 League Division Midland Premier South/West | 23 Apr 16 |
| 4x100 | 49.82 | | | | 3 | | | | Cardiff | Welsh Athletics U20 International | 20 Jul 16 |
| 4x100 | 51.75 | | | | 1 | ns | | | Newport | Welsh U15 League Division East | 5 Jun 16 |
| 4x100 | 52.15 | | | | 5 | | | | Newport | Welsh U15 League Division East | 28 May 16 |
| 4x100 | 52.56 | | | | 2 | 2 | | | Cardiff | Welsh Championships | 11 Jun 16 |
| 4x100 | 52.63 | | | | 6 | | | | Cardiff | Welsh U15 League Division East | 9 Jul 16 |
| 4x100 | DQ | | | | - | 1 | | | Cardiff | Welsh Championships | 11 Jun 16 |
| 4x200 | 1:43.47 | i | | | 1 | 2 | | | Cardiff | Welsh Athletics International | 7 Feb 16 |
| 4x200 | 1:49.97 | i | | | 1 | 1 | | | Cardiff | Welsh Athletics International | 7 Feb 16 |
| 4x300 | 2:37.9 | | | | 1 | | | | Cheltenham | UK Youth Development U13/U15 League Division Midland Premier South/West | 16 Jul 16 |
| 4x300 | 2:42.46 | | | | 1 | | | | Swansea | UK Youth Development U13/U15 League Division Midland Premier South/West | 19 Jun 16 |
| 4x300 | 2:45.95 | | | | 1 | | | | Swansea | UK Youth Development U13/U15 League Division Midland Premier South/West | 21 May 16 |
| 4x300 | 2:51.2 | | | | 1 | | | | Newport | UK Youth Development U13/U15 League Division Midland Premier South/West | 23 Apr 16 |
| 2015 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.19 | | | | 2 | | | | Cardiff | Welsh Athletics International | 29 Jul 15 |
| 4x100 | 48.15 | | | | 1 | A | | | Newport | Welsh U15 League Final | 23 Aug 15 |
| 4x100 | 48.4 | | | | 2 | | | | Hereford | Welsh U15 League Division East | 12 Jul 15 |
| 4x100 | 48.58 | | | | 1 | | | | Hereford | Welsh U15 League Division East | 1 Aug 15 |
| 4x100 | 48.8 | | | | 2 | | | | Bath | UK Youth Development U13/U15 League Division Midland Premier South/West | 30 May 15 |
| 4x100 | 48.93 | | | | 3 | | | | Birmingham | UK Youth Development U13/U15 League Final & Walks Invitation | 5 Sep 15 |
| 4x100 | 49.1 | | | | 2 | | | | Swansea | UK Youth Development U13/U15 League Division Midland Premier South/West | 18 Jul 15 |
| 4x100 | 49.2 | | | | 2 | | | | Stoke Gifford | UK Youth Development U13/U15 League Division Midland Premier South/West | 21 Jun 15 |
| 4x100 | 49.22 | | | | 3 | | | | Cardiff | Welsh Athletics International | 29 Jul 15 |
| 4x100 | 49.80 | | | | 1 | | | | Newport | Welsh U15 League Division East | 6 Jun 15 |
| 4x100 | 50.98 | | | | 2 | | | | Hereford | Welsh U15 League Division East | 9 May 15 |
| 4x100 | 51.1 | | | | 3 | | | | Cheltenham | UK Youth Development U13/U15 League Division Midland Premier South/West | 2 May 15 |
| 4x200 | 1:45.29 | i | | | 1 | 2 | | | Cardiff | Welsh International | 8 Mar 15 |
| 4x300 | 2:45.1 | | | | 2 | | | | Swansea | UK Youth Development U13/U15 League Division Midland Premier South/West | 18 Jul 15 |
| 4x300 | 2:50.5 | | | | 2 | | | | Stoke Gifford | UK Youth Development U13/U15 League Division Midland Premier South/West | 21 Jun 15 |
| 4x300 | 2:57.67 | | | | 7 | | | | Birmingham | UK Youth Development U13/U15 League Final & Walks Invitation | 5 Sep 15 |
| 4x300 | 2:58.3 | | | | 3 | | | | Bath | UK Youth Development U13/U15 League Division Midland Premier South/West | 30 May 15 |
| 4x300 | 3:01.5 | | | | 3 | | | | Cheltenham | UK Youth Development U13/U15 League Division Midland Premier South/West | 2 May 15 |
| 2014 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 48.60 | | | | 5 | | | | Cardiff | Welsh Athletics International | 15 Jul 14 |
| 4x100 | 49.40 | | | | 2 | | | | Newport | Welsh U15 League East Division | 13 Jul 14 |
| 4x100 | 50.4 | | | | 3 | | | | Rugby | UK Youth Development U13/U15 League Division Midland Premier 1 | 19 Jul 14 |
| 4x100 | 50.47 | | | | 1 | | | | Newport | Welsh U15 League East Division | 7 Jun 14 |
| 4x100 | 50.60 | | | | 5 | | | | Newport | Welsh U15 League Cup Final | 17 Aug 14 |
| 4x100 | 51.2 | | | | 5 | | | | Solihull | UK Youth Development U13/U15 League Division Midland Premier 1 | 22 Jun 14 |
| 4x100 | 51.69 | | | | 2 | | | | Cwmbran | Welsh U15 League East Division | 17 May 14 |
| 4x100 | 51.74 | | | | 4 | | | | Birmingham | UK Youth Development U13/U15 League Division Midland Premier 1 | 31 May 14 |
| 4x100 | 54.37 | | | | 7 | | | | Cardiff | Welsh Athletics International | 15 Jul 14 |
| 4x100 | 55.33 | | | | 2 | | | | Cwmbran | Welsh U15 League East Division | 26 Apr 14 |
| 4x100 | 55.4 | | | | 6 | | | | Swansea | UK Youth Development U13/U15 League Division Midland Premier 1 | 3 May 14 |
| 4x100 | 61.83 | | | | 4 | | | | Cwmbran | Welsh U15 League East Division | 26 Apr 14 |
| 4x200 | 2:03.84 | i | | | 3 | | | | Cardiff | Welsh Athletics International | 9 Mar 14 |
| 4x300 | 2:49.0 | | | | 4 | | | | Solihull | UK Youth Development U13/U15 League Division Midland Premier 1 | 22 Jun 14 |
| 4x300 | 2:51.71 | | | | 4 | | | | Birmingham | UK Youth Development U13/U15 League Division Midland Premier 1 | 31 May 14 |
| 4x300 | 2:59.4 | | | | 5 | | | | Swansea | UK Youth Development U13/U15 League Division Midland Premier 1 | 3 May 14 |
| 2013 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.87 | | | | 1 | | | | Hereford | Welsh U15 League East Division | 8 Jun 13 |
| 4x100 | 48.3 | | | | 2 | | | | Rugby | UK Youth Development U13/U15 League Division Midland Premier 1 | 22 Jun 13 |
| 4x100 | 48.64 | | | | 1 | | | | Brecon | Welsh U15 League Cup Final | 15 Sep 13 |
| 4x100 | 48.67 | | | | 1 | | | | Newport | Welsh U15 League East Division | 20 Jul 13 |
| 4x100 | 50.04 | | | | 3 | | | | Cwmbran | Welsh U15 League East Division | 18 Aug 13 |
| 4x100 | 52.1 | | | | 5 | | | | Cardiff | UK Youth Development U13/U15 League Division Midland Premier 1 | 13 Jul 13 |
| 4x100 | 54.32 | | | | 2 | 1 | | | Hereford | Welsh U15 League East Division | 11 May 13 |
| 4x100 | 54.59 | | | | 6 | | | | Cwmbran | Welsh U15 League East Division | 18 Aug 13 |
| 4x100 | 55.1 | | | | 4 | | | | Stoke Gifford | UK Youth Development U13/U15 League Division Midland Premier 1 | 4 May 13 |
| 4x100 | 56.4 | | | | 6 | | | | Rugby | UK Youth Development U13/U15 League Division Midland Premier 1 | 1 Jun 13 |
| 4x200 | 1:53.88 | i | | | 2 | | | | Cardiff | Welsh Athletics Indoor International | 10 Mar 13 |
| 4x300 | 2:38.9 | | | | 1 | | | | Cardiff | UK Youth Development U13/U15 League Division Midland Premier 1 | 13 Jul 13 |
| 4x300 | 3:06.7 | | | | 6 | | | | Rugby | UK Youth Development U13/U15 League Division Midland Premier 1 | 1 Jun 13 |
| 2012 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.6 | | | | 3 | | | | Stoke | McCain Young Athletes' League Midland Final | 29 Jul 12 |
| 4x100 | 49.04 | | | | 1 | | | | Cardiff | McCain Young Athletes' League Division Midland Premier South | 17 Jun 12 |
| 4x100 | 49.4 | | | | 1 | | | | Abingdon | McCain Young Athletes' League Division Midland Premier South | 20 May 12 |
| 4x100 | 49.8 | | | | 2 | | | | Yate | McCain Young Athletes' League Division Midland Premier South | 6 May 12 |
| 4x100 | 51.90 | | | | 1 | | | | Hereford | Welsh U15 League East Division | 21 Jul 12 |
| 4x100 | 52.03 | | | | 2 | | | | Aberdare | Welsh U15 League East Division | 26 May 12 |
| 4x100 | 55.90 | | | | 1 | ns | | | Aberdare | Welsh U15 League East Division | 26 May 12 |
| 4x100 | 57.90 | | | | 1 | | | | Hereford | Welsh U15 League East Division | 21 Jul 12 |
| 4x300 | 2:43.3 | | | | 2 | | | | Stoke | McCain Young Athletes' League Midland Final | 29 Jul 12 |
| 4x300 | 2:47.3 | | | | 1 | | | | Cardiff | McCain Young Athletes' League Division Midland Premier South | 17 Jun 12 |
| 4x300 | 2:54.4 | | | | 2 | | | | Abingdon | McCain Young Athletes' League Division Midland Premier South | 20 May 12 |
| 2011 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 48.87 | | | | 2 | | | | Horspath | McCain Young Athletes League Midland Premier S Division | 19 Jun 11 |
| 4x100 | 51.2 | | | | 1 | | | | Cheltenham | McCain Young Athletes League Midland Premier S Division | 8 May 11 |
| 4x100 | 51.2 | | | | 3 | | | | Hereford | Welsh U15 League East Division | 28 May 11 |
| 4x100 | 52.3 | | | | 3 | | | | Cardiff | Clubs for Young People National Championships | 30 Jul 11 |
| 4x100 | 53.0 | | | | 3 | | | | Yate | McCain Young Athletes League Midland Premier S Division Match 1 | 22 May 11 |
| 4x100 | 53.1 | | | | 3 | | | | Cheltenham | McCain Young Athletes League Midland Premier S Division | 5 Jun 11 |
| 4x100 | 56.03 | | | | 3 | | | | Aberdare | Welsh U15 League East | 1 May 11 |
| 4x100 | 57.2 | | | | 3 | | | | Newport | Welsh Athletics U15 League East Division | 9 Jul 11 |
| 4x100 | 57.5 | | | | 1 | ns | | | Hereford | Welsh U15 League East Division | 28 May 11 |
| 4x100 | 60.26 | | | | 1 | ns | | | Aberdare | Welsh U15 League East | 1 May 11 |
| 4x400 | 4:11.3 | | | | 1 | | | | Yate | McCain Young Athletes League Midland Premier S Division Match 1 | 22 May 11 |
| 2010 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 48.1 | | | | 1 | | | | Newport | Welsh U15 League South East | 11 Jul 10 |
| 4x100 | 48.47 | | | | 4 | | | | Birmingham | McCain UK Young Athletes League Midland Final | 1 Aug 10 |
| 4x100 | 48.6 | | | | 1 | | | | Rugby | McCain UK Young Athletes League Midland Premier S - Match B | 16 May 10 |
| 4x100 | 48.66 | | | | 1 | | | | Brecon | Welsh Junior Cup Final | 22 Aug 10 |
| 4x100 | 49.3 | | | | 1 | | | | Yate | McCain UK Young Athletes League Midland Premier S | 18 Jul 10 |
| 4x100 | 50.52 | | | | 1 | A | | | Cardiff | Welsh Junior Cup Qualifier - East | 7 Aug 10 |
| 4x100 | 51.5 | | | | 1 | | | | Hereford | Welsh U15 League - South East | 22 May 10 |
| 4x100 | 51.5 | | | | 1 | | | | Aberdare | NACYP Championships | 26 Jun 10 |
| 4x100 | 51.9 | | | | 1 | | | | Cardiff | Welsh Athletics U15 League - East Division | 25 Apr 10 |
| 4x100 | 52.0 | | | | 3 | | | | Yeovil | McCain UK Young Athletes League Midland Premier S | 20 Jun 10 |
| 4x100 | 52.5 | | | | 2 | | | | Cheltenham | McCain UK Young Athletes League Midland Premier S | 2 May 10 |
| 4x100 | 57.5 | | | | 1 | ns | | | Newport | Welsh U15 League South East | 11 Jul 10 |
| 4x400 | 4:05.24 | | | | 5 | | | | Birmingham | McCain UK Young Athletes League Midland Final | 1 Aug 10 |
| 4x400 | 4:07.6 | | | | 2 | | | | Rugby | McCain UK Young Athletes League Midland Premier S - Match B | 16 May 10 |
| 4x400 | 4:14.8 | | | | 2 | | | | Yate | McCain UK Young Athletes League Midland Premier S | 18 Jul 10 |
| 4x400 | 4:24.7 | | | | 3 | | | | Yeovil | McCain UK Young Athletes League Midland Premier S | 20 Jun 10 |
| 2009 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 52.1 | | | | 2 | A | | | Telford | McCain UK Young Athletes League Midland One West Match 2 | 21 Jun 09 |
| 4x100 | 52.1 | | | | 1 | A | | | Swindon | McCain UK Young Athletes League Midland One West | 19 Jul 09 |
| 4x400 | 4:24.4 | | | | 2 | A | | | Swindon | McCain UK Young Athletes League Midland One West | 19 Jul 09 |
| 2007 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.5 | | | | 1 | A | | | Brecon | Welsh Junior League Cup Final | 19 Aug 07 |