| 2023 U20 Cardiff Archers |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 44.88 | | | | 1 | | | | Yate | UK Youth Development League Upper - Midlands Premier South/West | 30 Apr 23 |
| 4x400 | 3:42.82 | | | | 1 | | | | Carmarthen | UK Youth Development League Upper - Midlands Premier South/West | 28 May 23 |
| 2022 U20 Cardiff Archers |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 43.58 | | | | 2 | | | | Yate | UK Youth Development League Upper Midlands South/West Premier | 24 Apr 22 |
| 4x100 | 48.3 | | | | 4 | | | | Cheltenham | UK Youth Development League Upper Midlands South/West Premier | 26 Jun 22 |
| 2019 U20 Cardiff Archers |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.13 | | | | 2 | | | | Exeter | UK Youth Development U17/U20 League Division Midland Premier SW | 26 May 19 |
| 4x100 | 45.53 | | | | 4 | | | | Cardiff | UK Youth Development U17/U20 League Division Midland Premier SW | 30 Jun 19 |
| 4x100 | 53.42 | | | | 2 | | | | Swansea | UK Youth Development U17/U20 League Division Midland Premier SW Promotion Match | 28 Jul 19 |
| 4x400 | 4:03.70 | | | | 5 | | | | Exeter | UK Youth Development U17/U20 League Division Midland Premier SW | 26 May 19 |
| 2018 U20 Cardiff Archers |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.4 | | | | 1 | | | | Swindon | UK Youth Development U17/U20 League Division Midland SW 1 | 27 May 18 |
| 4x100 | 46.04 | | | | 3 | | | | Swansea | UK Youth Development U17/U20 League Midland SW Promotion Match | 29 Jul 18 |
| 4x100 | 47.5 | | | | 1 | | | | Yeovil | UK Youth Development U17/U20 League Division Midland SW 1 | 1 Jul 18 |
| 4x100 | 48.4 | | | | 1 | | | | Hereford | UK Youth Development U17/U20 League Division Midland SW 1 | 29 Apr 18 |
| 4x400 | 3:42.6 | | | | 1 | | | | Yeovil | UK Youth Development U17/U20 League Division Midland SW 1 | 1 Jul 18 |
| 4x400 | 3:43.81 | | | | 2 | | | | Swansea | UK Youth Development U17/U20 League Midland SW Promotion Match | 29 Jul 18 |
| 4x400 | 3:51.0 | | | | 1 | | | | Swindon | UK Youth Development U17/U20 League Division Midland SW 1 | 27 May 18 |
| 2017 U20 Cardiff Archers |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.9 | | | | 1 | | | | Swindon | UK Youth Development U17/U20 League Division Midland South/West 1 | 25 Jun 17 |
| 4x100 | 46.7 | | | | 1 | | | | Hereford | UK Youth Development U17/U20 League Division Midland South/West 1 | 30 Apr 17 |
| 4x100 | 50.1 | | | | 3 | | | | Yeovil | UK Youth Development U17/U20 League Division Midland South/West 1 | 28 May 17 |
| 4x100 | 51.62 | | | | 4 | | | | Newport | UK Youth Development U17/U20 League Midland South/West Promotion Match | 23 Jul 17 |
| 2016 U20 Cardiff Archers |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 48.5 | | | | 2 | | | | Hereford | UK Youth Development U17/U20 League Division Midland South/West 1 | 1 May 16 |
| 2014 U20 Cardiff Archers |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 48.8 | | | | 1 | | | | Hereford | UK Youth Development U17/U20 League Division Midland West 2a | 29 Jun 14 |
| 2011 U20 Cardiff Archers |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.23 | | | | 3 | | | | Brecon | Aviva Welsh Schools' Championships | 2 Jul 11 |