| 2025 U17 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:09.16 | | | | 2 | 1 | | | Watford | Watford Harriers Open Graded Meetings | 11 Jun 25 |
| 800 | 2:12.91 | | | | 1 | 8 | | | Watford | Watford Harriers Open Graded Meetings | 14 May 25 |
| 1500 | 4:35.24 | | | | 8 | 1 | | | Watford | Watford Harriers Open Graded Meetings | 25 Jun 25 |
| 1500 | 4:36.11 | | | | 8 | 9 | | | Watford | Watford Harriers Open Graded Meetings | 28 May 25 |
| 1500 | 4:39.70 | | | | 10 | 8 | | | Watford | Watford Harriers Open Graded Meetings | 30 Apr 25 |
| 1500 | 4:43.45 | | | | 4 | 5 | | | Watford | Watford Harriers Open Graded Meetings | 2 Apr 25 |
| parkrun | 18:42 | | | | 4 | | | 1 | Black Park | Black Park parkrun # 749 | 11 Jan 25 |
| parkrun | 18:49 | | | | 12 | | | 1 | Rickmansworth | Rickmansworth parkrun # 374 | 30 Aug 25 |
| parkrun | 18:57 | | | | 3 | | | 1 | Black Park | Black Park parkrun # 760 | 29 Mar 25 |
| parkrun | 19:00 | | | | 3 | | | 1 | Black Park | Black Park parkrun # 761 | 5 Apr 25 |
| parkrun | 19:00 | | | | 6 | | | 1 | Black Park | Black Park parkrun # 763 | 3 May 25 |
| parkrun | 19:08 | | | | 12 | | | | Black Park | Black Park parkrun # 762 | 12 Apr 25 |
| parkrun | 19:17 | | | | 2 | | | 1 | Church Mead | Church Mead parkrun # 168 | 5 Jul 25 |
| parkrun | 19:33 | | | | 12 | | | 1 | Black Park | Black Park parkrun # 784 | 27 Sep 25 |
| parkrun | 19:48 | | | | 14 | | | 1 | Black Park | Black Park parkrun # 748 | 4 Jan 25 |
| parkrun | 20:14 | | | | 15 | | | 1 | Black Park | Black Park parkrun # 764 | 10 May 25 |
| parkrun | 20:19 | | | | 21 | | | 1 | Black Park | Black Park parkrun # 771 | 28 Jun 25 |
| 2024 U15 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:19.88 | | | | 4 | 6 | | | Watford | Watford Harriers Open Graded Meetings | 7 Aug 24 |
| 800 | 2:23.24 | | | | 4 | 5 | | | Watford | Watford Harriers Open Graded Meetings | 12 Jun 24 |
| 800 | 2:23.94 | | | | 4 | h4 | | | Watford | Watford Harriers Open Graded Meetings | 15 May 24 |
| 800 | 2:26.33 | | | | 3 | 06 | | | Watford | Watford Harriers Open Graded Meetings | 17 Apr 24 |
| 1500 | 4:56.08 | | | | 1 | 3 | | | Watford | Watford Harriers Open Graded Meetings | 29 May 24 |
| 3.9KXC | 15:24 | | | | 19 | | | | Milton Keynes | Bedfordshire / Buckinghamshire County Championships | 14 Dec 24 |
| 4.0KXC | 19:58 | | | | 13 | | | | Stowe School | Buckinghamshire Schools' Championships | 7 Feb 24 |
| 4.3KXC | NT | | | | 17 | | | | Stowe School | ESAA English Schools Cup Regional Finals - East Central | 8 Nov 24 |
| parkrun | 19:53 | | | | 12 | | | 1 | Black Park | Black Park parkrun # 737 | 2 Nov 24 |
| parkrun | 19:59 | | | | 13 | | | 1 | Black Park | Black Park parkrun # 712 | 11 May 24 |
| parkrun | 20:37 | | | | 18 | | | | Black Park | Black Park parkrun # 736 | 26 Oct 24 |
| parkrun | 21:45 | | | | 44 | | | 1 | Black Park | Black Park parkrun # 694 | 6 Jan 24 |
| 2023 U15 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:28.23 | | | | 5 | 1.3 | | | Watford | Watford Harriers Open Graded Meetings | 9 Aug 23 |
| 800 | 2:28.86 | | | | 7 | 5 | | | Watford | Watford Harriers Open Graded Meetings | 12 Jul 23 |
| 800 | 2:29.08 | | | | 5 | 3 | | | Watford | Watford Harriers Open Graded Meetings | 14 Jun 23 |
| 800 | 2:31.17 | | | | 7 | B4 | | | Watford | Watford Harriers Open Graded Meetings | 6 Sep 23 |
| 800 | 2:32.98 | | | | 3 | 4 | | | Watford | Watford Harriers Open Graded Meetings | 17 May 23 |
| 1500 | 5:05.35 | | | | 6 | 3 | | | Watford | Watford Harriers Open Graded Meetings | 26 Jul 23 |
| 1500 | 5:07.06 | | | | 5 | B | | | Guildford | UK Youth Development League Lower - Southern 1A No hammer/discus | 8 Jul 23 |
| 1500 | 5:07.66 | | | | 5 | 3 | | | Watford | Watford Harriers Open Graded Meetings | 28 Jun 23 |
| 1500 | 5:08.40 | | | | 13 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 23 Aug 23 |
| 1500 | 5:11.10 | | | | 5 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 31 May 23 |
| 1500 | 5:14.78 | | | | 5 | B | | | Eton | UK Youth Development League Lower - Southern 1A | 22 Jul 23 |
| 1500 | 5:27.23 | | | | 11 | 3 | | | Watford | Watford Harriers Open Graded Meetings | 5 Apr 23 |
| SP4K | 6.99 | | | | 4 | A | | | Eton | UK Youth Development League Lower - Southern 1A | 22 Jul 23 |
| SP4K | 6.56 | | | | 5 | A | | | Guildford | UK Youth Development League Lower - Southern 1A No hammer/discus | 8 Jul 23 |
| JT600 | 23.74 | | | | 5 | A | | | Eton | UK Youth Development League Lower - Southern 1A | 22 Jul 23 |
| 2.8KXC | 11:10 | | | | 12 | | | | Ampthill | Bedfordshire / Buckinghamshire County Championships | 7 Jan 23 |
| parkrun | 20:36 | | | | 6 | | | 1 | Black Park | Black Park parkrun # 688 | 2 Dec 23 |
| parkrun | 21:00 | | | | 25 | | | 1 | Black Park | Black Park parkrun # 672 | 12 Aug 23 |
| parkrun | 22:17 | | | | 27 | | | 1 | Black Park | Black Park parkrun # 655 | 15 Apr 23 |
| 2022 U13 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:34.7 | | | | 1 | B | | | Southampton | UK Youth Development League Lower Southern 1A | 8 May 22 |
| 800 | 2:35.05 | | | | 7 | B | | | Horspath | Buckinghamshire & Oxfordshire AA County Championships | 15 May 22 |
| 800 | 2:37.55 | | | | 7 | 3 | | | Watford | Watford Open Graded Meeting | 13 Jul 22 |
| 800 | 2:39.00 | | | | 2 | B | | | Eton | UK Youth Development League Lower Southern 1A | 30 Jul 22 |
| 1200 | 4:08.1 | | | | 2 | B | | | Southampton | UK Youth Development League Lower Southern 1A | 21 May 22 |
| 1200 | 4:09.27 | | | | 6 | A | | | Guildford | UK Youth Development League Lower Southern 1A | 3 Jul 22 |
| 1500 | 5:23.16 | | | | 10 | 4 | | | Watford | Watford Open Graded Meeting | 6 Apr 22 |
| SP3K | 7.17 | | | | 2 | A | | | Southampton | UK Youth Development League Lower Southern 1A | 21 May 22 |
| SP3K | 6.58 | | | | 3 | A | | | Southampton | UK Youth Development League Lower Southern 1A | 8 May 22 |
| JT400 | 28.36 | | | | 2 | A | | | Eton | UK Youth Development League Lower Southern 1A | 30 Jul 22 |
| JT400 | 27.01 | | | | 1 | A | | | Guildford | UK Youth Development League Lower Southern 1A | 3 Jul 22 |
| JT400 | 21.27 | | | | 3 | A | | | Southampton | UK Youth Development League Lower Southern 1A | 21 May 22 |
| JT400 | 19.50 | | | | 4 | A | | | Southampton | UK Youth Development League Lower Southern 1A | 8 May 22 |
| 2KXC | 8:11 | | | | 8 | | | | Stowe | Buckinghamshire County Schools' Championships | 2 Feb 22 |
| 2.2KXC | 8:55 | | | | 10 | | | | Milton Keynes | Bedfordshire / Buckinghamshire County Championships | 8 Jan 22 |
| 2.8KXC | 11:20 | | | | 25 | | | | Milton Keynes | Chiltern League | 15 Jan 22 |
| 3KXC | 10:45 | | | | 11 | | | | Shuttleworth Park | Chiltern League | 19 Feb 22 |
| 3KXC | 11:06 | | | | 51 | Y7 | | | Market Harborough | National Primary & Year 7 Championships | 26 Mar 22 |
| parkrun | 20:07 | | | | 12 | | | | Black Park | Black Park parkrun # 598 | 19 Mar 22 |
| parkrun | 20:44 | | | | 30 | | | | Black Park | Black Park parkrun # 597 | 12 Mar 22 |
| parkrun | 21:04 | | | | 21 | | | 1 | Black Park | Black Park parkrun # 595 | 26 Feb 22 |
| parkrun | 22:20 | | | | 43 | | | | Black Park | Black Park parkrun # 614 | 9 Jul 22 |
| parkrun | 22:27 | | | | 45 | | | | Black Park | Black Park parkrun # 613 | 2 Jul 22 |
| 2021 U13 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 200 | 30.25 | w | 4.1 | | 4 | 2 | | | Harrow | Harrow Spring Open | 13 May 21 |
| 800 | 2:35.56 | | | | 7 | 5 | | | Eton | Windsor, Slough, Eton & Hounslow Middle Distance & Sprints Closed Meeting | 16 May 21 |
| 800 | 2:36.70 | | | | 7 | 3 | | | Watford | Watford Open Graded Meeting | 8 Sep 21 |
| 800 | 2:41.1 | | | | 1 | nsA | | | Bracknell | Youth Development League Lower Southern North West | 4 Sep 21 |
| 1500 | 5:21.14 | | | | 5 | 1 | | | Watford | Watford Open Graded Meeting | 25 Aug 21 |
| JT400 | 22.88 | | | | 3 | A | | | Bracknell | Youth Development League Lower Southern North West | 4 Sep 21 |
| 3.88KL | 15:09 | | | | 28 | L1 | | | Sutton Park | ERRA National Young Athlete Relays | 9 Oct 21 |
| 2020 U11 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 1.6KXC | 6:15 | | | | 15 | | | | Stowe | Buckinghamshire County Schools' Championships | 5 Feb 20 |
| 2KXC | 8:15 | | | | 16 | | | | Keysoe | Chiltern League | 11 Jan 20 |
| parkrun | 21:45 | | | | 43 | | | | Black Park | Black Park parkrun # 561 | 22 Feb 20 |
| 2019 U11 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 1.75KXC | 7:02 | | | | 21 | | | | Milton Keynes | Chiltern League (Inc British Athletics Cross Challenge & Oxford Uni v RAF) | 9 Nov 19 |
| 1.9KXC | 6:43 | | | | 10 | | | | Shottover Hill | Chiltern League | 12 Oct 19 |
| 2KXC | 8:04 | | | | 23 | | | | Luton | Chiltern League | 7 Dec 19 |
| 2018 U11 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 23:34 | | | | 65 | | | 1 | Black Park | Black Park parkrun # 477 | 21 Jul 18 |
| parkrun | 23:54 | | | | 90 | | | 1 | Black Park | Black Park parkrun # 476 | 14 Jul 18 |
| parkrun | 24:35 | | | | 115 | | | | Cassiobury | Cassiobury parkrun # 205 | 22 Dec 18 |
| parkrun | 26:42 | | | | 264 | | | | Black Park | Black Park parkrun # 500 | 29 Dec 18 |
| parkrun | 29:30 | | | | 326 | | | | Black Park | Black Park parkrun # 473 | 23 Jun 18 |