| 2025 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:28.49 | | | | 2 | nsA | | | Swindon | UK Youth Development League Lower - Midland Premier SW | 20 Jul 25 |
| 1500 | 4:48.27 | | | | 6 | 2 | | | Swansea | Welsh U13 / U15 / U20 Track & Field Championships | 15 Jun 25 |
| 1500 | 4:54.0 | | | | 4 | B | | | Gloucester | UK Youth Development League Lower - Midland Premier SW - no hammer/discus | 3 May 25 |
| 1500 | 4:56.7 | | | | 7 | 2 | | | Hereford | Welsh U11 U13 U15 League South & East Division - SPRINT EVENTS NOT ELIGIBLE FOR INCLUSION | 18 May 25 |
| 3K | 10:47 | | | | 3 | | | 3 | Pembrey Country Park | Welsh Road Relay Championships | 22 Mar 25 |
| 3.1KXC | 13:09 | | | | 19 | | | | Margam Park | The John H Collins Gwent League | 8 Feb 25 |
| 3.2KL | 11:16 | | | | 5 | L01 | | | Parc Bryn Bach | Welsh National Young Athletes Relays | 20 Sep 25 |
| 3.6KXC | 12:39 | | | | 17 | R1 | | 8 | Barry | Cardiff & the Vale of Glamorgan Schools Boys League | 7 Oct 25 |
| 4KXC | 16:42 | | | | 269 | | | | Wollaton Park | CAU Inter County Championships (inc British Athletics Cross Challenge) | 8 Mar 25 |
| 4.08KXC | 16:30 | | | | 22 | | | | Pembrey | Welsh National Championships | 25 Jan 25 |
| 4.1KXC | 16:17 | | | | 8 | | | 6 | Barry | Cardiff & the Vale of Glamorgan Schools Boys Championships | 14 Jan 25 |
| 4.5KXC | 15:00 | | | | 22 | | | | Brecon | Welsh Schools National Championships | 19 Feb 25 |
| parkrun | 18:04 | | | | 30 | | | | Cardiff | Cardiff parkrun # 847 | 22 Nov 25 |
| parkrun | 18:26 | | | | 16 | | | | Cardiff | Cardiff parkrun # 836 | 30 Aug 25 |
| parkrun | 18:37 | | | | 20 | | | 1 | Cardiff | Cardiff parkrun # 823 | 24 May 25 |
| parkrun | 18:51 | | | | 21 | | | 1 | Cardiff | Cardiff parkrun # 831 | 26 Jul 25 |
| parkrun | 19:02 | | | | 1 | | | 1 | Teifi Marshes Nature Reserve | Teifi Marshes Nature Reserve parkrun # 118 | 1 Nov 25 |
| parkrun | 19:15 | | | | 36 | | | | Cardiff | Cardiff parkrun # 827 | 28 Jun 25 |
| parkrun | 19:41 | | | | 5 | | | 1 | Teifi Marshes Nature Reserve | Teifi Marshes Nature Reserve parkrun # 106 | 2 Aug 25 |
| parkrun | 20:14 | | | | 2 | | | 1 | Trelai Park | Trelai Park parkrun # 195 | 7 Jun 25 |
| parkrun | 25:58 | | | | 224 | | | | Cardiff | Cardiff parkrun # 838 | 13 Sep 25 |
| 2024 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:36.20 | | | | 10 | 1 | | | Cardiff | Welsh Athletics 106th Senior & U15 Championships | 16 Jun 24 |
| 800 | 2:36.62 | | | | 3 | nsA | | | Yate | UK Youth Development League Lower - Midland Premier S/W | 23 Jun 24 |
| 1500 | 5:14.1 | | | | 10 | | | | Aberdare | Welsh U11 U13 & U15 League South & East Division | 4 May 24 |
| 1500 | 5:14.93 | | | | 5 | 2 | | | Aberdare | South Wales & East Wales Joint Regional T&F Championships | 12 May 24 |
| 1500 | 5:14.99 | | | | 14 | 1 | | | Cardiff | Cardiff & the Vale of Glamorgan Schools Under 15 Boys Championships | 16 May 24 |
| 1500 | 5:20.54 | | | | 9 | 1 | | | Cardiff | Welsh Athletics 106th Senior & U15 Championships | 15 Jun 24 |
| 2.35KXC | 8:05 | | | | 5 | | | 4 | Pontcanna Fields | Cardiff & the Vale of Glamorgan Schools Boys League | 1 Oct 24 |
| 3KXC | 11:55 | | | | 174 | | | | Wollaton Park | CAU Inter County Championships (inc British Athletics Cross Challenge) | 9 Mar 24 |
| 3KXC | 14:10 | | | | 13 | | | | Pont-y-Pwl Park | The John H Collins Gwent League | 2 Mar 24 |
| 3.2KL | 11:38 | | | | 17 | L3 | | 6 | Pembrey Country Park | Welsh Road Relay Championships | 7 Sep 24 |
| 3.2KXC | 11:33 | | | | 54 | | | | Cardiff | British Athletics Cross Challenge (inc John H Collins Gwent League) | 9 Nov 24 |
| 3.25KXC | 11:24 | | | | 12 | | | | Brecon | Welsh National Championships | 17 Feb 24 |
| 3.65KXC | 13:27 | | | | 23 | | | | Pembrey Country Park | The John H Collins Gwent League | 12 Oct 24 |
| 3.8KXC | 14:16 | | | | 27 | | | | Blaise Castle | The John H Collins Gwent League | 30 Nov 24 |
| 3.82KXC | 13:26 | | | | 23 | | | | Newtown | Welsh Inter-Regional Championships | 16 Nov 24 |
| 4.5KXC | 15:45 | | | | 29 | | | | Brecon | Welsh Schools National Championships | 28 Feb 24 |
| parkrun | 18:56 | | | | 28 | | | | Cardiff | Cardiff parkrun # 793 | 28 Sep 24 |
| parkrun | 19:28 | | | | 49 | | | 1 | Cardiff | Cardiff parkrun # 759 | 13 Jan 24 |
| parkrun | 19:32 | | | | 27 | | | | Cardiff | Cardiff parkrun # 781 | 6 Jul 24 |
| parkrun | 20:01 | | | | 4 | | | 1 | Teifi Marshes Nature Reserve | Teifi Marshes Nature Reserve parkrun # 76 | 28 Dec 24 |
| parkrun | 20:07 | | | | 39 | | | 1 | Cardiff | Cardiff parkrun # 782 | 13 Jul 24 |
| parkrun | 20:17 | | | | 55 | | | | Cardiff | Cardiff parkrun # 783 | 20 Jul 24 |
| parkrun | 20:32 | | | | 63 | | | | Cardiff | Cardiff parkrun # 788 | 24 Aug 24 |
| parkrun | 20:36 | | | | 4 | | | 1 | Colby | Colby parkrun # 414 | 13 Apr 24 |
| parkrun | 22:07 | | | | 14 | | | 1 | Colby | Colby parkrun # 401 | 6 Jan 24 |
| 2023 U13 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 2.78KXC | 10:46 | | | | 32 | | | | Cardiff | British Athletics Cross Challenge (inc John H Collins Gwent League) | 11 Nov 23 |
| 2.9KXC | 11:08 | | | | 23 | | | | Blaise Castle | The John H Collins Gwent League | 2 Dec 23 |
| parkrun | 20:14 | | | | 62 | | | 1 | Cardiff | Cardiff parkrun # 753 | 16 Dec 23 |
| parkrun | 20:29 | | | | 72 | | | | Cardiff | Cardiff parkrun # 746 | 21 Oct 23 |
| parkrun | 20:40 | | | | 10 | | | 1 | Llanishen Park | Llanishen Park parkrun # 67 | 7 Oct 23 |
| parkrun | 20:43 | | | | 56 | | | 1 | Cardiff | Cardiff parkrun # 752 | 9 Dec 23 |
| parkrun | 23:16 | | | | 13 | | | 1 | Teifi Marshes Nature Reserve | Teifi Marshes Nature Reserve parkrun # 4 | 12 Aug 23 |
| parkrun | 23:43 | | | | 5 | | | 1 | Coed Cefn-pwll-du | Coed Cefn-pwll-du parkrun # 93 | 8 Jul 23 |
| parkrun | 25:01 | | | | 3 | | | 1 | Coed Cefn-pwll-du | Coed Cefn-pwll-du parkrun # 91 | 24 Jun 23 |
| parkrun | 25:28 | | | | 10 | | | | Coed Cefn-pwll-du | Coed Cefn-pwll-du parkrun # 101 | 2 Sep 23 |
| 2022 U13 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 24:01 | | | | 13 | | | 1 | Colby | Colby parkrun # 315 | 26 Mar 22 |