| 2023 U20 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 23:26 | | | | 147 | | | 1 | Cardiff | Cardiff parkrun # 755 | 25 Dec 23 |
| 2022 U20 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 19:09 | | | | 31 | | | 1 | Cardiff | Cardiff parkrun # 664 | 5 Mar 22 |
| parkrun | 19:50 | | | | 42 | | | 1 | Cardiff | Cardiff parkrun # 660 | 22 Jan 22 |
| parkrun | 20:55 | | | | 71 | | | 1 | Cardiff | Cardiff parkrun # 692 | 24 Sep 22 |
| 2021 U17 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 3KXC | 10:26 | | | | 23 | | | | Pontcanna Fields | Cardiff & the Vale of Glamorgan Schools Boys League | 12 Oct 21 |
| 5K | 19:05 | | | 19:13 | 193 | | | | Cardiff | Cardiff Race for Victory 5K | 29 Aug 21 |
| parkrun | 19:57 | | | | 50 | | | | Cardiff | Cardiff parkrun # 646 | 18 Sep 21 |
| parkrun | 20:19 | | | | 46 | | | 1 | Cardiff | Cardiff parkrun # 659 | 25 Dec 21 |
| parkrun | 20:32 | | | | 77 | | | | Cardiff | Cardiff parkrun # 655 | 20 Nov 21 |
| 2020 U17 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 3.8KXC | 14:47 | | | | 27 | | | | Chepstow | Start Fitness Gwent League | 8 Feb 20 |
| 4.54KXC | 17:26 | | | | 29 | | | | Llanelli | Welsh National Championships | 22 Feb 20 |
| 5.2KXC | 23:22 | | | | 21 | | | 12 | Llandaff Fields | Cardiff & the Vale of Glamorgan Schools' Championships | 11 Feb 20 |
| 2019 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 1500 | 5:41.35 | | | | 18 | 2 | | | Cardiff | Cardiff & Vale of Glamorgan Schools AA U15 Boys Championships | 15 May 19 |
| 1M | 6:05 | | | | 37 | | | 5 | Cardiff | Cardiff Summer Series Mile | 3 May 19 |
| 3.13KXC | NT | | | | 48 | | | | Pencoedtre High School | Cardiff & the Vale of Glamorgan Schools Boys League | 17 Sep 19 |
| 3.2KXC | 12:38 | | | | 76 | | | | Cardiff | Start Fitness Gwent League (Inc British Athletics Cross Challenge) | 12 Oct 19 |
| 2M | 12:31 | | | | 31 | | | 4 | Cardiff | Cardiff Summer Series 2 | 31 May 19 |
| 3.4KXC | NT | | | | 34 | | | | Pontcanna Fields | Cardiff & the Vale of Glamorgan Schools Boys League | 8 Oct 19 |
| 3.6KXC | 13:55 | | | | 43 | | | | Pembrey Park | Start Fitness Gwent League | 9 Nov 19 |
| 3.6KXC | 16:52 | | | | 38 | | | | Pontypool | Start Fitness Gwent League | 9 Feb 19 |
| 3.85KXC | 16:40 | | | | 8 | | | | Barry | Cardiff & the Vale of Glamorgan Schools' Championships | 27 Jan 19 |
| 4KXC | 16:46 | | | | 46 | | | | Blaise Castle | Start Fitness Gwent League | 7 Dec 19 |
| 4.5KXC | 18:56 | | | | 75 | | | | Pontcanna | South Wales Regional Schools' Boys Championships | 22 Oct 19 |
| 5K | 19:52 | | | | 81 | | | 17 | Cardiff | SSAFA 5K | 19 Jun 19 |
| 5K | 19:53 | | | | 88 | | | 18 | Cardiff | SSAFA 5K | 24 Jul 19 |
| 5K | 19:59 | | | | 85 | | | 19 | Cardiff | SSAFA 5K | 22 May 19 |
| 5K | 20:54 | | | 21:12 | 250 | | | 152 | Cardiff | Cardiff Race for Victory 5K | 5 May 19 |
| parkrun | 19:50 | | | | 51 | | | | Cardiff | Cardiff parkrun # 629 | 25 Dec 19 |
| parkrun | 20:43 | | | | 60 | | | | Cardiff | Cardiff parkrun # 600 | 8 Jun 19 |
| parkrun | 20:47 | | | | 62 | | | | Cardiff | Cardiff parkrun # 628 | 21 Dec 19 |
| parkrun | 21:09 | | | | 90 | | | | Cardiff | Cardiff parkrun # 598 | 25 May 19 |
| parkrun | 21:24 | | | | 110 | | | 1 | Cardiff | Cardiff parkrun # 577 | 1 Jan 19 |
| parkrun | 23:05 | | | | 131 | | | | Cardiff | Cardiff parkrun # 612 | 31 Aug 19 |
| 2018 U15 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 1M | 6:03 | | | | 48 | | | 2 | Cardiff | Cardiff Summer Series Mile | 27 Apr 18 |
| 3K | 11:36 | | | | 10 | | | | Cardiff | Cardiff Festival of Running 3K | 6 Oct 18 |
| 3.2KXC | 13:01 | | | | 72 | | | | Cardiff | British Athletics Cross Challenge (Inc. Gwent League) | 13 Oct 18 |
| 3.6KXC | 14:13 | | | | 42 | | | | Pembrey Park | Start Fitness Gwent League (Inc West Wales Championships) | 10 Nov 18 |
| 3.8KXC | 18:15 | | | | 36 | | | | Bryn Bach Park | Start Fitness Gwent League | 2 Dec 18 |
| 3.85KXC | 18:08 | | | | 20 | | | 9 | Barry | Cardiff & the Vale of Glamorgan Schools' Championships | 28 Jan 18 |
| 5K | 20:40 | | | 20:43 | 169 | | | | Cardiff | Cardiff Race for Victory 5K (Inc Welsh Championships) | 6 May 18 |
| 5K | 20:50 | | | | 79 | | | 15 | Cardiff | SSAFA 5K | 25 Jul 18 |
| 5K | 21:19 | | | | 102 | | | 17 | Cardiff | SSAFA 5K | 23 May 18 |
| 5K | 23:24 | | | 23:34 | 306 | | | | Cardiff | Cardiff Race for Victory 5K (Inc Welsh Championships) | 6 May 18 |
| parkrun | 20:30 | | | | 66 | | | 1 | Cardiff | Cardiff parkrun # 553 | 21 Jul 18 |
| parkrun | 20:59 | | | | 74 | | | | Cardiff | Cardiff parkrun # 552 | 14 Jul 18 |
| parkrun | 21:02 | | | | 93 | | | | Cardiff | Cardiff parkrun # 575 | 25 Dec 18 |
| parkrun | 22:05 | | | | 40 | | | 1 | Roundhay | Roundhay parkrun # 373 | 16 Jun 18 |
| parkrun | 24:00 | | | | 168 | | | | Cardiff | Cardiff parkrun # 526 | 6 Jan 18 |
| 4.3MNAD | 30:13 | | | | 25 | | | 2 | Cardiff | Cardiff Summer Series 4.3 #1 | 6 Jul 18 |
| 2017 U13 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 20:20 | | | | 59 | | | | Cardiff | Cardiff parkrun # 521 | 16 Dec 17 |
| parkrun | 20:30 | | | | 46 | | | | Cardiff | Cardiff parkrun # 496 | 17 Jun 17 |
| parkrun | 20:32 | | | | 82 | | | | Cardiff | Cardiff parkrun # 479 | 18 Feb 17 |
| parkrun | 20:35 | | | | 46 | | | | Cardiff | Cardiff parkrun # 498 | 1 Jul 17 |
| parkrun | 20:41 | | | | 65 | | | | Cardiff | Cardiff parkrun # 483 | 18 Mar 17 |
| parkrun | 20:43 | | | | 69 | | | | Cardiff | Cardiff parkrun # 482 | 11 Mar 17 |
| parkrun | 20:43 | | | | 38 | | | | Cardiff | Cardiff parkrun # 495 | 10 Jun 17 |
| parkrun | 20:45 | | | | 51 | | | | Cardiff | Cardiff parkrun # 511 | 30 Sep 17 |
| parkrun | 20:46 | | | | 86 | | | | Cardiff | Cardiff parkrun # 491 | 13 May 17 |
| parkrun | 20:49 | | | | 59 | | | | Cardiff | Cardiff parkrun # 493 | 27 May 17 |
| parkrun | 20:55 | | | | 65 | | | | Cardiff | Cardiff parkrun # 489 | 29 Apr 17 |
| parkrun | 21:07 | | | | 56 | | | 1 | Cardiff | Cardiff parkrun # 485 | 1 Apr 17 |
| parkrun | 21:09 | | | | 80 | | | 1 | Cardiff | Cardiff parkrun # 478 | 11 Feb 17 |
| parkrun | 21:15 | | | | 97 | | | | Cardiff | Cardiff parkrun # 501 | 22 Jul 17 |
| parkrun | 21:32 | | | | 103 | | | | Cardiff | Cardiff parkrun # 484 | 25 Mar 17 |
| parkrun | 21:45 | | | | 73 | | | 1 | Cardiff | Cardiff parkrun # 499 | 8 Jul 17 |
| parkrun | 21:57 | | | | 113 | | | | Cardiff | Cardiff parkrun # 474 | 14 Jan 17 |
| parkrun | 22:32 | | | | 86 | | | | Cardiff | Cardiff parkrun # 494 | 3 Jun 17 |
| parkrun | 22:46 | | | | 101 | | | | Cardiff | Cardiff parkrun # 472 | 1 Jan 17 |
| parkrun | 22:56 | | | | 154 | | | | Cardiff | Cardiff parkrun # 473 | 7 Jan 17 |
| parkrun | 23:00 | | | | 140 | | | | Cardiff | Cardiff parkrun # 475 | 21 Jan 17 |
| parkrun | 25:44 | | | | 217 | | | | Cardiff | Cardiff parkrun # 523 | 25 Dec 17 |
| 2016 U13 Cardiff |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 20:58 | | | | 53 | | | | Cardiff | Cardiff parkrun # 463 | 12 Nov 16 |
| parkrun | 21:13 | | | | 106 | | | | Cardiff | Cardiff parkrun # 458 | 8 Oct 16 |
| parkrun | 21:15 | | | | 90 | | | 1 | Cardiff | Cardiff parkrun # 459 | 15 Oct 16 |
| parkrun | 21:20 | | | | 61 | | | | Cardiff | Cardiff parkrun # 457 | 1 Oct 16 |
| parkrun | 21:24 | | | | 72 | | | | Cardiff | Cardiff parkrun # 467 | 10 Dec 16 |
| parkrun | 21:25 | | | | 96 | | | | Cardiff | Cardiff parkrun # 462 | 5 Nov 16 |
| parkrun | 21:26 | | | | 99 | | | | Cardiff | Cardiff parkrun # 469 | 24 Dec 16 |
| parkrun | 21:29 | | | | 73 | | | | Cardiff | Cardiff parkrun # 471 | 31 Dec 16 |
| parkrun | 21:31 | | | | 71 | | | | Cardiff | Cardiff parkrun # 466 | 3 Dec 16 |
| parkrun | 21:48 | | | | 84 | | | | Cardiff | Cardiff parkrun # 468 | 17 Dec 16 |
| parkrun | 22:00 | | | | 90 | | | | Cardiff | Cardiff parkrun # 445 | 9 Jul 16 |
| parkrun | 22:06 | | | | 100 | | | | Cardiff | Cardiff parkrun # 453 | 3 Sep 16 |
| parkrun | 22:11 | | | | 125 | | | | Cardiff | Cardiff parkrun # 437 | 14 May 16 |
| parkrun | 22:12 | | | | 123 | | | | Cardiff | Cardiff parkrun # 452 | 27 Aug 16 |
| parkrun | 22:15 | | | | 121 | | | | Cardiff | Cardiff parkrun # 456 | 24 Sep 16 |
| parkrun | 22:27 | | | | 104 | | | | Cardiff | Cardiff parkrun # 442 | 18 Jun 16 |
| parkrun | 22:30 | | | | 95 | | | | Cardiff | Cardiff parkrun # 470 | 25 Dec 16 |
| parkrun | 22:31 | | | | 108 | | | | Cardiff | Cardiff parkrun # 448 | 30 Jul 16 |
| parkrun | 22:34 | | | | 153 | | | | Cardiff | Cardiff parkrun # 435 | 30 Apr 16 |
| parkrun | 22:34 | | | | 122 | | | | Cardiff | Cardiff parkrun # 438 | 21 May 16 |
| parkrun | 22:34 | | | | 127 | | | | Cardiff | Cardiff parkrun # 455 | 17 Sep 16 |
| parkrun | 22:36 | | | | 109 | | | | Cardiff | Cardiff parkrun # 431 | 2 Apr 16 |
| parkrun | 22:44 | | | | 120 | | | | Cardiff | Cardiff parkrun # 433 | 16 Apr 16 |
| parkrun | 22:47 | | | | 108 | | | | Cardiff | Cardiff parkrun # 451 | 20 Aug 16 |
| parkrun | 22:49 | | | | 119 | | | | Cardiff | Cardiff parkrun # 434 | 23 Apr 16 |
| parkrun | 22:55 | | | | 134 | | | | Cardiff | Cardiff parkrun # 440 | 4 Jun 16 |
| parkrun | 22:56 | | | | 133 | | | | Cardiff | Cardiff parkrun # 428 | 12 Mar 16 |
| parkrun | 22:57 | | | | 128 | | | | Cardiff | Cardiff parkrun # 432 | 9 Apr 16 |
| parkrun | 23:06 | | | | 126 | | | | Cardiff | Cardiff parkrun # 439 | 28 May 16 |
| parkrun | 23:06 | | | | 25 | | | | Lanhydrock | Lanhydrock parkrun # 144 | 22 Oct 16 |
| parkrun | 23:13 | | | | 144 | | | | Cardiff | Cardiff parkrun # 429 | 19 Mar 16 |
| parkrun | 23:29 | | | | 186 | | | | Cardiff | Cardiff parkrun # 436 | 7 May 16 |
| parkrun | 23:35 | | | | 143 | | | | Cardiff | Cardiff parkrun # 450 | 13 Aug 16 |
| parkrun | 23:39 | | | | 142 | | | | Cardiff | Cardiff parkrun # 426 | 27 Feb 16 |
| parkrun | 23:58 | | | | 191 | | | | Cardiff | Cardiff parkrun # 422 | 30 Jan 16 |
| parkrun | 24:07 | | | | 162 | | | | Cardiff | Cardiff parkrun # 464 | 19 Nov 16 |
| parkrun | 24:19 | | | | 188 | | | | Cardiff | Cardiff parkrun # 421 | 23 Jan 16 |
| parkrun | 25:16 | | | | 245 | | | | Cardiff | Cardiff parkrun # 419 | 9 Jan 16 |
| parkrun | 26:40 | | | | 203 | | | | Cardiff | Cardiff parkrun # 418 | 2 Jan 16 |