| 2025 U17 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:00.33 | | | | 5 | 6 | | | Watford | Watford Harriers Open Graded Meetings | 6 Aug 25 |
| 800 | 2:00.65 | | | | 6 | 6 | | | Watford | Watford Harriers Open Graded Meetings | 3 Sep 25 |
| 800 | 2:01.56 | | | | 1 | 4 | | | Watford | Watford Harriers Open Graded Meetings | 9 Jul 25 |
| 800 | 2:03.76 | | | | 2 | 4 | | | Watford | Watford Harriers Open Graded Meetings | 11 Jun 25 |
| 800 | 2:05.62 | | | | 7 | 4 | | | Watford | Watford Harriers Open Graded Meetings | 14 May 25 |
| 800 | 2:05.71 | | | | 2 | 3 | | | Watford | Watford Harriers Open Graded Meetings | 16 Apr 25 |
| 800 | 2:08.5 | | | | 2 | | | | Milton Keynes | Buckinghamshire County Schools Championships | 14 Jun 25 |
| 1500 | 4:13.34 | | | | 4 | 3 | | | Watford | Watford Harriers Open Graded Meetings | 23 Jul 25 |
| 1500 | 4:18.20 | | | | 1 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 25 Jun 25 |
| 1500 | 4:25.67 | | | | 9 | 1 | | | Watford | Watford Harriers Open Graded Meetings | 2 Apr 25 |
| 3.68KXC | 14:20 | | | | 7 | | | | Shotover Park | Chiltern League | 8 Feb 25 |
| 3.88KL | 13:06 | | | | 40 | L02 | | | Sutton Park | ERRA National Young Athlete Relays | 4 Oct 25 |
| 4.5KXC | 15:36 | | | | 54 | | | | Beckenham Place | South of England Championships | 25 Jan 25 |
| 4.5KXC | 16:08 | | | | 13 | | | | Cassiobury Park | Chiltern League | 11 Jan 25 |
| 4.6KL | 15:51 | | | | 53 | L01 | | 53 | Aldershot | Southern Young Athletes Relays | 20 Sep 25 |
| 4.72KXC | 17:47 | | | | 25 | | | 25 | Cokethorpe School | ESAA English Schools Cup Regional Finals - East Central | 4 Nov 25 |
| parkrun | 17:11 | | | | 4 | | | | Rickmansworth | Rickmansworth parkrun # 345 | 1 Feb 25 |
| parkrun | 17:50 | | | | 4 | | | | Black Park | Black Park parkrun # 748 | 4 Jan 25 |
| parkrun | 18:02 | | | | 3 | | | 1 | Black Park | Black Park parkrun # 772 | 5 Jul 25 |
| parkrun | 18:20 | | | | 1 | | | 1 | Black Park | Black Park parkrun # 755 | 22 Feb 25 |
| parkrun | 18:30 | | | | 1 | | | 1 | Black Park | Black Park parkrun # 789 | 8 Nov 25 |
| 5.74KXC | 20:49 | c | | | 20 | R2 | | 20 | Horspath | Chiltern League | 15 Nov 25 |
| 2024 U15 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:07.64 | | | | 2 | 3 | | | Watford | Watford Harriers Open Graded Meetings | 4 Sep 24 |
| 800 | 2:08.94 | | | | 3 | 9 | | | Watford | Watford Harriers Open Graded Meetings | 12 Jun 24 |
| 800 | 2:09.42 | | | | 7 | 3 | | | Watford | Watford Harriers Open Graded Meetings | 10 Jul 24 |
| 800 | 2:11.64 | | | | 1 | A | | | Bracknell | UK Youth Development League Lower - Southern 1C | 16 Jun 24 |
| 800 | 2:11.69 | | | | 2 | B1 | | | Horspath | Buckinghamshire & Oxfordshire County Championships | 12 May 24 |
| 800 | 2:13.9 | | | | 2 | 2 | | | Milton Keynes | Buckinghamshire County Schools' Championships | 8 Jun 24 |
| 1500 | 4:25.54 | | | | 3 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 24 Jul 24 |
| 1500 | 4:27.53 | | | | 6 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 26 Jun 24 |
| 1500 | 4:28.59 | | | | 6 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 21 Aug 24 |
| 1500 | 4:29.57 | | | | 10 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 29 May 24 |
| 1500 | 4:35.78 | | | | 11 | 8 | | | Watford | Watford Harriers Open Graded Meetings | 3 Apr 24 |
| LJ | 4.20 | | | | 7 | | | | Milton Keynes | Buckinghamshire County Schools' Championships | 8 Jun 24 |
| 3KL | 10:06 | | | | 11 | L2 | | | Aldershot | Southern Young Athletes Relays | 21 Sep 24 |
| 3.18KXC | 11:02 | | | | 81 | | | | Pontefract | ESAA English Schools Championships | 16 Mar 24 |
| 3.68KXC | 15:09 | | | | 6 | | | | Shotover Park | Chiltern League | 10 Feb 24 |
| 3.88KL | 13:27 | | | | 13 | L3 | | | Sutton Park | ERRA National Young Athlete Relays | 5 Oct 24 |
| 3.9KXC | 14:17 | | | | 5 | | | | Milton Keynes | Bedfordshire / Buckinghamshire County Championships | 14 Dec 24 |
| 4KXC | 13:03 | | | | 10 | | | | Keysoe | Chiltern League | 12 Oct 24 |
| 4KXC | 13:58 | | | | 155 | | | | Wollaton Park | CAU Inter County Championships (inc British Athletics Cross Challenge) | 9 Mar 24 |
| 4.0KXC | 18:33 | | | | 3 | | | | Stowe School | Buckinghamshire Schools' Championships | 7 Feb 24 |
| 4.2KXC | 14:43 | | | | 9 | | | | Biggleswade | Bedfordshire / Buckinghamshire County Championships | 7 Jan 24 |
| 4.3KXC | NT | | | | 29 | | | | Stowe School | ESAA English Schools Cup Regional Finals - East Central | 8 Nov 24 |
| 4.4KXC | 15:51 | | | | 13 | | | | Milton Keynes | Chiltern League | 9 Nov 24 |
| 4.5KXC | 15:50 | | | | 8 | | | | Cassiobury Park | Chiltern League | 13 Jan 24 |
| parkrun | 17:30 | | | | 3 | | | 1 | Rickmansworth | Rickmansworth parkrun # 334 | 30 Nov 24 |
| parkrun | 18:33 | | | | 4 | | | 1 | Black Park | Black Park parkrun # 726 | 17 Aug 24 |
| parkrun | 18:36 | | | | 3 | | | 1 | Black Park | Black Park parkrun # 736 | 26 Oct 24 |
| 2023 U15 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:13.67 | | | | 1 | B7 | | | Watford | Watford Harriers Open Graded Meetings | 6 Sep 23 |
| 800 | 2:17.58 | | | | 2 | 8 | | | Watford | Watford Harriers Open Graded Meetings | 12 Jul 23 |
| 800 | 2:19.49 | | | | 3 | 5 | | | Watford | Watford Harriers Open Graded Meetings | 14 Jun 23 |
| 800 | 2:20.37 | | | | 2 | 7 | | | Watford | Watford Harriers Open Graded Meetings | 17 May 23 |
| 800 | 2:24.08 | | | | 11 | 10 | | | Watford | Watford Harriers Open Graded Meetings | 19 Apr 23 |
| 800 | 2:29.8 | | | | 4 | h2 | | | Milton Keynes | Buckinghamshire County Schools | 10 Jun 23 |
| 1500 | 4:36.81 | | | | 7 | 7 | | | Watford | Watford Harriers Open Graded Meetings | 26 Jul 23 |
| 1500 | 4:37.60 | | | | 4 | A | | | Eton | UK Youth Development League Lower - Southern 1A | 22 Jul 23 |
| 1500 | 4:43.83 | | | | 6 | A | | | Guildford | UK Youth Development League Lower - Southern 1A No hammer/discus | 8 Jul 23 |
| 1500 | 4:47.48 | | | | 7 | 6 | | | Watford | Watford Harriers Open Graded Meetings | 28 Jun 23 |
| 1500 | 4:53.39 | | | | 2 | | | | Stoke Mandeville | Wycombe Phoenix Harriers' Invitational & Club Championships 2023 - inc. Bucks & Oxon U15 & U17 3000m Championships | 22 Apr 23 |
| JT600 | 21.31 | | | | 2 | B | | | Eton | UK Youth Development League Lower - Southern 1A | 22 Jul 23 |
| JT600 | 20.68 | | | | 6 | A | | | Guildford | UK Youth Development League Lower - Southern 1A No hammer/discus | 8 Jul 23 |
| JT600 | 20.03 | | | | 8 | | | | Milton Keynes | Buckinghamshire County Schools | 10 Jun 23 |
| 2.8KXC | 10:25 | | | | 3 | | | | Ampthill | Bedfordshire / Buckinghamshire County Championships | 7 Jan 23 |
| 2.8KXC | 10:26 | | | | 7 | | | | Milton Keynes | Chiltern League | 14 Jan 23 |
| 3KL | 10:17 | | | | 10 | L02 | | | Aldershot | Southern Young Athletes Relays | 23 Sep 23 |
| 3KXC | 13:03 | | | | 45 | | | | Loughborough | CAU Inter County Championships (inc British Athletics Cross Challenge) | 11 Mar 23 |
| 3.2KXC | 11:09 | | | | 7 | | | | Bedford | Chiltern League | 11 Feb 23 |
| 3.88KL | 13:23 | | | | 42 | L01 | | | Sutton Park | ERRA National Young Athlete Relays | 7 Oct 23 |
| 4.1KXC | 13:05 | | | | 8 | | | | Bedford | Chiltern League | 14 Oct 23 |
| 4.2KXC | 15:55 | | | | 36 | | | | Woodbridge | ESAA English Schools Cup Final | 2 Dec 23 |
| 4.4KXC | 16:14 | | | | 13 | | | | Milton Keynes | Chiltern League | 11 Nov 23 |
| 4.4KXC | NT | | | | 4 | | | | Stowe | ESAA English Schools Cup Regional Finals - East Central | 10 Nov 23 |
| 4.5KXC | 19:15 | | | | 12 | | | | Stowe School | Buckinghamshire Schools' Championships | 8 Feb 23 |
| parkrun | 18:11 | | | | 13 | | | | Rickmansworth | Rickmansworth parkrun # 285 | 30 Dec 23 |
| parkrun | 18:17 | | | | 22 | | | | Rickmansworth | Rickmansworth parkrun # 269 | 16 Sep 23 |
| parkrun | 18:33 | | | | 4 | | | 1 | Black Park | Black Park parkrun # 682 | 21 Oct 23 |
| parkrun | 19:10 | | | | 13 | | | | Rickmansworth | Rickmansworth parkrun # 234 | 1 Jan 23 |
| parkrun | 19:10 | | | | 5 | | | 1 | Black Park | Black Park parkrun # 644 | 28 Jan 23 |
| 2022 U13 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:27.45 | | | | 3 | A | | | Guildford | UK Youth Development League Lower Southern 1A | 3 Jul 22 |
| 800 | 2:28.2 | | | | 2 | A | | | Southampton | UK Youth Development League Lower Southern 1A | 21 May 22 |
| 1200 | 3:56.78 | | | | 3 | B | | | Eton | UK Youth Development League Lower Southern 1A | 30 Jul 22 |
| 1500 | 4:53.75 | | | | 7 | 4 | | | Watford | Watford Open Graded Meeting | 24 Aug 22 |
| 1500 | 4:56.86 | | | | 5 | 3 | | | Watford | Watford Open Graded Meeting | 29 Jun 22 |
| 1500 | 4:59.20 | | | | 3 | 4 | | | Watford | Watford Open Graded Meeting | 1 Jun 22 |
| 1500 | 4:59.91 | | | | 5 | F | | | Milton Keynes | BMC PB Classic | 4 Jun 22 |
| 1500 | 5:00.38 | | | | 2 | B | | | Horspath | Buckinghamshire & Oxfordshire AA County Championships | 14 May 22 |
| 1500 | 5:07.11 | | | | 3 | 4 | | | Watford | Watford Open Graded Meeting | 6 Apr 22 |
| 75HU13M | 16.4 | | | | 2 | A | | | Southampton | UK Youth Development League Lower Southern 1A | 21 May 22 |
| HJ | 1.25 | | | | 2 | A | | | Eton | UK Youth Development League Lower Southern 1A | 30 Jul 22 |
| LJ | 3.71 | | | | 6 | A | | | Guildford | UK Youth Development League Lower Southern 1A | 3 Jul 22 |
| 2KXC | 8:03 | | | | 5 | | | | Stowe | Buckinghamshire County Schools' Championships | 2 Feb 22 |
| 2.2KXC | 8:46 | | | | 8 | | | | Milton Keynes | Bedfordshire / Buckinghamshire County Championships | 8 Jan 22 |
| 2.53KXC | 9:01 | | | | 14 | | | | Leeds | ESAA English Schools Cup Final | 3 Dec 22 |
| 2.8KXC | 10:56 | | | | 16 | | | | Milton Keynes | Chiltern League | 15 Jan 22 |
| 2.9KXC | 10:36 | | | | 10 | U13M | | | Oxford | Chiltern League | 15 Oct 22 |
| 3KL | 11:05 | | | | 6 | B | | | Rushmoor | Aldershot Road Relays | 24 Sep 22 |
| 3KXC | 10:30 | | | | 6 | | | | Shuttleworth Park | Chiltern League | 19 Feb 22 |
| 3KXC | 10:51 | | | | 33 | Y7 | | | Market Harborough | National Primary & Year 7 Championships | 26 Mar 22 |
| 3KXC | 11:15 | | | | 38 | | | | Horspath | South of England Masters' & Inter Counties Championships | 10 Dec 22 |
| 3KXC | 12:21 | | | | 74 | | | | Beckenham | South of England AA Championships | 29 Jan 22 |
| 3KXC | 13:47 | | | | 137 | | | | Parliament Hill | ECCA Saucony English National Championships | 26 Feb 22 |
| 3.88KL | 14:33 | | | | 11 | L2 | | | Sutton Park | ERRA National Young Athlete Relays | 8 Oct 22 |
| parkrun | 19:20 | | | | 8 | | | 1 | Black Park | Black Park parkrun # 613 | 2 Jul 22 |
| parkrun | 19:59 | | | | 9 | | | 1 | Black Park | Black Park parkrun # 629 | 22 Oct 22 |
| parkrun | 20:07 | | | | 8 | | | | Black Park | Black Park parkrun # 618 | 6 Aug 22 |
| parkrun | 20:14 | | | | 11 | | | 1 | Rickmansworth | Rickmansworth parkrun # 213 | 13 Aug 22 |
| parkrun | 20:17 | | | | 16 | | | | Black Park | Black Park parkrun # 588 | 1 Jan 22 |
| parkrun | 20:37 | | | | 15 | | | 1 | Black Park | Black Park parkrun # 610 | 11 Jun 22 |
| parkrun | 21:20 | | | | 4 | | | 1 | Church Mead | Church Mead parkrun # 15 | 16 Jul 22 |
| parkrun | 22:06 | | | | 6 | | | 1 | Church Mead | Church Mead parkrun # 34 | 26 Nov 22 |
| 2021 U13 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:35.69 | | | | 8 | 5 | | | Eton | Windsor, Slough, Eton & Hounslow Middle Distance & Sprints Closed Meeting | 16 May 21 |
| 800 | 2:37.10 | | | | 3 | 1 | | | Milton Keynes | Buckinghamshire County Championships | 31 Jul 21 |
| 1200 | 4:05.8 | | | | 1 | B | | | Bracknell | Youth Development League Lower Southern North West | 4 Sep 21 |
| 1200 | 4:16.43 | | | | 6 | | | | Harrow | Harrow AC Spring Open | 20 May 21 |
| SP3K | 4.71 | | | | 4 | A | | | Bracknell | Youth Development League Lower Southern North West | 4 Sep 21 |
| 2.7KXC | 12:25 | | | | 22 | | | | Milton Keynes | Chiltern League (Inc British Athletics Cross Challenge & Oxford Uni Trials) | 13 Nov 21 |
| 2.8KL | 10:12 | | | | 5 | L3 | | | Milton Keynes | SOAR MK Relays | 26 Sep 21 |
| 2.8KXC | 11:43 | | | | 10 | | | | Luton | Chiltern League | 4 Dec 21 |
| 3KXC | NT | | | | 66 | | | | Croydon | South of England Masters' & Inter Counties Championships | 11 Dec 21 |
| 3.88KL | 15:14 | | | | 20 | L3 | | | Sutton Park | ERRA National Young Athlete Relays | 9 Oct 21 |
| parkrun | 20:27 | | | | 24 | | | | Black Park | Black Park parkrun # 570 | 28 Aug 21 |
| parkrun | 21:00 | | | | 21 | | | | Black Park | Black Park parkrun # 578 | 23 Oct 21 |
| parkrun | 21:00 | | | | 16 | | | 1 | Black Park | Black Park parkrun # 579 | 30 Oct 21 |
| parkrun | 21:06 | | | | 30 | | | 1 | Black Park | Black Park parkrun # 568 | 14 Aug 21 |
| parkrun | 24:27 | | | | 64 | | | | Black Park | Black Park parkrun # 585 | 11 Dec 21 |
| 2020 U11 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 1.5KXC | 5:44 | | | | 14 | | | | Milton Keynes | Chiltern League | 8 Feb 20 |
| 1.5KXC | 6:19 | | | | 8 | | | | Biggleswade | Bedfordshire / Buckinghamshire County Championships | 4 Jan 20 |
| 2KXC | 7:49 | | | | 9 | | | | Keysoe | Chiltern League | 11 Jan 20 |
| parkrun | 22:08 | | | | 46 | | | | Rickmansworth | Rickmansworth parkrun # 157 | 22 Feb 20 |
| 2019 U11 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 80 | 14.0 | | | | 3 | 1 | | | Watford | Watford Minors Open Series | 7 Apr 19 |
| 600 | 2:08.9 | | | | 3 | | | | Watford | Watford Minors Open Series | 7 Apr 19 |
| 1.75KXC | 6:51 | | | | 12 | | | | Milton Keynes | Chiltern League (Inc British Athletics Cross Challenge & Oxford Uni v RAF) | 9 Nov 19 |
| 1.9KXC | 6:35 | | | | 7 | | | | Shottover Hill | Chiltern League | 12 Oct 19 |
| 2KXC | 7:36 | | | | 7 | | | | Luton | Chiltern League | 7 Dec 19 |
| parkrun | 21:37 | | | | 39 | | | 1 | Black Park | Black Park parkrun # 552 | 28 Dec 19 |
| parkrun | 23:41 | | | | 83 | | | 1 | Black Park | Black Park parkrun # 524 | 15 Jun 19 |
| parkrun | 24:06 | | | | 95 | | | | Black Park | Black Park parkrun # 501 | 1 Jan 19 |
| 2018 U11 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 22:13 | | | | 54 | | | 1 | Black Park | Black Park parkrun # 487 | 29 Sep 18 |
| parkrun | 24:00 | | | | 95 | | | 1 | Black Park | Black Park parkrun # 491 | 27 Oct 18 |
| parkrun | 24:52 | | | | 124 | | | 1 | Black Park | Black Park parkrun # 478 | 28 Jul 18 |
| parkrun | 26:47 | | | | 183 | | | | Black Park | Black Park parkrun # 456 | 17 Feb 18 |