| 2025 U17 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 3KXCL | 12:31 | | | | 24 | L02 | | 18 | Wormwood Scrubs | South of England AA Relay Championships | 18 Oct 25 |
| 2024 U17 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:30.21 | | | | 6 | 3 | | | Watford | Watford Harriers Open Graded Meetings | 12 Jun 24 |
| 800 | 2:31.86 | | | | 10 | 07 | | | Watford | Watford Harriers Open Graded Meetings | 17 Apr 24 |
| 1500 | 4:59.80 | | | | 12 | 6 | | | Watford | Watford Harriers Open Graded Meetings | 1 May 24 |
| 1500 | 5:12.04 | | | | 9 | B | | | Horspath | Buckinghamshire & Oxfordshire County Championships | 11 May 24 |
| 1500 | 5:12.1 | | | | 5 | | | | Milton Keynes | Buckinghamshire County Schools' Championships | 8 Jun 24 |
| 1500 | 5:18.64 | | | | 2 | A | | | Stevenage | UK Youth Development League Upper - Southern 1A | 28 Apr 24 |
| 3000 | 10:56.1 | | | | 1 | | | | Bournemouth | UK Youth Development League Upper - Southern 1A | 26 May 24 |
| 3.54KXC | 15:15 | | | | 226 | | | | Pontefract | ESAA English Schools Championships | 16 Mar 24 |
| 4.0KXC | 21:08 | | | | 8 | | | | Stowe School | Buckinghamshire Schools' Championships | 7 Feb 24 |
| 4.5KXC | 18:45 | | | | 19 | | | | Cassiobury Park | Chiltern League | 13 Jan 24 |
| 4.6KL | 18:36 | | | | 20 | L2 | | 17 | Aldershot | Southern Women's 4-Stage Relays | 21 Sep 24 |
| parkrun | 19:31 | | | | 28 | | 1 | 1 | Rickmansworth | Rickmansworth parkrun # 293 | 17 Feb 24 |
| parkrun | 20:24 | | | | 44 | | | | Rickmansworth | Rickmansworth parkrun # 327 | 12 Oct 24 |
| parkrun | 20:51 | | | | 13 | | 3 | 1 | Black Park | Black Park parkrun # 733 | 5 Oct 24 |
| 10KMT | 56:26 | | | 56:31 | 52 | | 6 | 1 | Ashton Clinton | Wendover Woods | 3 Nov 24 |
| 2023 U15 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:26.95 | | | | 5 | 1.4 | | | Watford | Watford Harriers Open Graded Meetings | 9 Aug 23 |
| 800 | 2:27.33 | | | | 8 | 4 | | | Watford | Watford Harriers Open Graded Meetings | 14 Jun 23 |
| 800 | 2:32.84 | | | | 10 | 6 | | | Watford | Watford Harriers Open Graded Meetings | 19 Apr 23 |
| 1500 | 4:58.30 | | | | 5 | 4 | | | Watford | Watford Harriers Open Graded Meetings | 31 May 23 |
| 1500 | 5:05.54 | | | | 9 | C | | | Oxford | BMC PB Classic | 3 Jun 23 |
| 1500 | 5:07.10 | | | | 12 | 5 | | | Watford | Watford Harriers Open Graded Meetings | 3 May 23 |
| 1500 | 5:07.66 | | | | 10 | B | | | Horspath | Buckinghamshire & Oxfordshire County Championships | 13 May 23 |
| 1500 | 5:12.2 | | | | 3 | | | | Milton Keynes | Buckinghamshire County Schools | 10 Jun 23 |
| 3000 | 10:55.05 | | | | 16 | 1 | | | Watford | Watford Harriers Open Graded Meetings | 23 Aug 23 |
| 3000 | 11:14.93 | | | | 2 | | | | Stoke Mandeville | Wycombe Phoenix Harriers' Invitational & Club Championships 2023 - inc. Bucks & Oxon U15 & U17 3000m Championships | 22 Apr 23 |
| LJ | 3.20 | | | | 7 | B | | | Eton | UK Youth Development League Lower - Southern 1A | 22 Jul 23 |
| 3KL | 11:22 | | | | 13 | L03 | | | Aldershot | Southern Young Athletes Relays | 23 Sep 23 |
| 3.5KXC | 13:34 | | | | 129 | | | | Nottingham | ESAA English Schools Championships | 18 Mar 23 |
| 3.5KXC | 13:40 | | | | 7 | | | | Stowe School | Buckinghamshire Schools' Championships | 8 Feb 23 |
| 3.88KL | 14:55 | | | | 16 | L02 | | | Sutton Park | ERRA National Young Athlete Relays | 7 Oct 23 |
| 4KXC | 18:25 | | | | 124 | | | | Loughborough | CAU Inter County Championships (inc British Athletics Cross Challenge) | 11 Mar 23 |
| 4.1KXC | 15:06 | | | | 13 | | | | Bedford | Chiltern League | 11 Feb 23 |
| 4.1KXC | 15:32 | | | | 18 | | | | Bedford | Chiltern League | 14 Oct 23 |
| 4.2KXC | 16:41 | | | | 14 | | | | Ampthill | Bedfordshire / Buckinghamshire County Championships | 7 Jan 23 |
| 4.3KXC | 18:47 | | | | 14 | | | | Milton Keynes | Chiltern League | 14 Jan 23 |
| 4.5KXC | 17:23 | | | | 74 | | | | Beckenham Place | South of England Championships | 28 Jan 23 |
| parkrun | 19:15 | | | | 31 | | | | Rickmansworth | Rickmansworth parkrun # 269 | 16 Sep 23 |
| parkrun | 19:34 | | | | 24 | | | | Rickmansworth | Rickmansworth parkrun # 241 | 18 Feb 23 |
| parkrun | 19:46 | | | | 9 | | 2 | 1 | Pont y Bala | Pont y Bala parkrun # 113 | 21 Oct 23 |
| parkrun | 20:26 | | | | 21 | | 3 | 1 | Ferry Meadows | Ferry Meadows parkrun # 439 | 1 Apr 23 |
| parkrun | 20:42 | | | | 40 | | 2 | 1 | Weymouth | Weymouth parkrun # 451 | 26 Aug 23 |
| parkrun | 21:23 | | | | 9 | | 1 | 1 | Cirencester | Cirencester parkrun # 205 | 5 Aug 23 |
| parkrun | 21:48 | | | | 5 | | 1 | 1 | Gadebridge | Gadebridge parkrun # 373 | 2 Dec 23 |
| 2022 U15 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:25.96 | | | | 7 | 4 | | | Watford | Watford Open Graded Meeting | 15 Jun 22 |
| 800 | 2:28.54 | | | | 2 | 4 | | | Watford | Watford Open Graded Meeting | 18 May 22 |
| 800 | 2:30.09 | | | | 9 | 5 | | | Watford | Watford Open Graded Meeting | 13 Jul 22 |
| 800 | 2:31.29 | | | | 11 | 5 | | | Watford | Watford Open Graded Meeting | 7 Sep 22 |
| 800 | 2:32.1 | | | | 1 | nsA | | | Southampton | UK Youth Development League Lower Southern 1A | 8 May 22 |
| 800 | 2:33.07 | | | | 8 | I | | | Milton Keynes | BMC PB Classic | 4 Jun 22 |
| 1500 | 5:01.63 | | | | 13 | 4 | | | Watford | Watford Open Graded Meeting | 29 Jun 22 |
| 1500 | 5:01.74 | | | | 11 | 4 | | | Watford | Watford Open Graded Meeting | 27 Jul 22 |
| 1500 | 5:02.62 | | | | 8 | 4 | | | Watford | Watford Open Graded Meeting | 1 Jun 22 |
| 1500 | 5:06.1 | | | | 2 | B | | | Southampton | UK Youth Development League Lower Southern 1A | 21 May 22 |
| 1500 | 5:06.26 | | | | 8 | 3 | | | Watford | Watford Open Graded Meeting | 24 Aug 22 |
| 1500 | 5:06.66 | | | | 3 | A | | | Eton | UK Youth Development League Lower Southern 1A | 30 Jul 22 |
| 1500 | 5:07.12 | | | | 10 | 3 | | | Watford | Watford Open Graded Meeting | 4 May 22 |
| 1500 | 5:09.27 | | | | 4 | A | | | Guildford | UK Youth Development League Lower Southern 1A | 3 Jul 22 |
| 1500 | 5:10.43 | | | | 6 | B2 | | | Horspath | Buckinghamshire & Oxfordshire AA County Championships | 14 May 22 |
| LJ | 3.21 | | | | 6 | B | | | Southampton | UK Youth Development League Lower Southern 1A | 8 May 22 |
| LJ | 3.02 | | | | 6 | B | | | Southampton | UK Youth Development League Lower Southern 1A | 21 May 22 |
| DT1K | 9.41 | | | | 4 | B | | | Guildford | UK Youth Development League Lower Southern 1A | 3 Jul 22 |
| JT500 | 10.70 | | | | 3 | B | | | Eton | UK Youth Development League Lower Southern 1A | 30 Jul 22 |
| 2.2KXC | 9:03 | | | | 9 | | | | Milton Keynes | Bedfordshire / Buckinghamshire County Championships | 8 Jan 22 |
| 2.8KXC | 11:33 | | | | 9 | | | | Milton Keynes | Chiltern League | 15 Jan 22 |
| 3KL | 11:27 | | | | 8 | B | | | Rushmoor | Aldershot Road Relays | 24 Sep 22 |
| 3KXC | 11:38 | | | | 11 | | | | Shuttleworth Park | Chiltern League | 19 Feb 22 |
| 3KXC | 12:11 | | | | 6 | | | | Stowe | Buckinghamshire County Schools' Championships | 2 Feb 22 |
| 3KXC | 12:34 | | | | 33 | | | | Beckenham | South of England AA Championships | 29 Jan 22 |
| 3KXC | 14:33 | | | | 117 | | | | Parliament Hill | ECCA Saucony English National Championships | 26 Feb 22 |
| 3.19KXC | 14:01 | | | | 153 | | | | Tonbridge | ESAA English Schools Championships | 19 Mar 22 |
| 3.88KL | 14:57 | | | | 18 | L2 | | | Sutton Park | ERRA National Young Athlete Relays | 8 Oct 22 |
| 4.2KXC | 16:41 | | | | 9 | | | | Luton | Chiltern League | 3 Dec 22 |
| parkrun | 19:03 | | | | 11 | | 1 | 1 | Rickmansworth | Rickmansworth parkrun # 194 | 26 Mar 22 |
| parkrun | 19:18 | | | | 11 | | 2 | 1 | Rickmansworth | Rickmansworth parkrun # 202 | 28 May 22 |
| parkrun | 19:22 | | | | 11 | | 2 | 1 | Rickmansworth | Rickmansworth parkrun # 199 | 30 Apr 22 |
| parkrun | 19:42 | | | | 28 | | 3 | | Rickmansworth | Rickmansworth parkrun # 218 | 17 Sep 22 |
| parkrun | 20:19 | | | | 8 | | 1 | 1 | Northala Fields | Northala Fields parkrun # 348 | 11 Jun 22 |
| parkrun | 20:51 | | | | 11 | | | | Northala Fields | Northala Fields parkrun # 356 | 20 Aug 22 |
| parkrun | 21:18 | | | | 18 | | 2 | 1 | Leybourne Lakes | Leybourne Lakes parkrun # 286 | 25 Dec 22 |
| 2021 U13 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 75 | 11.7 | | | | 3 | B | | | Bedford | Youth Development League Lower Southern North West | 5 Jun 21 |
| 800 | 2:37.78 | | | | 6 | 1/2 | | | Watford | Watford Open Graded Meeting | 8 Sep 21 |
| 800 | 2:39.8 | | | | 1 | B | | | Bracknell | Youth Development League Lower Southern North West | 4 Sep 21 |
| 800 | 2:41.01 | | | | 10 | 4 | | | Eton | Windsor, Slough, Eton & Hounslow Middle Distance & Sprints Closed Meeting | 16 May 21 |
| 1200 | 4:17.41 | | | | 7 | | | | Harrow | Harrow AC Spring Open | 20 May 21 |
| 1200 | 4:36.2 | | | | 2 | B | | | Bedford | Youth Development League Lower Southern North West | 5 Jun 21 |
| 1500 | 5:19.88 | | | | 7 | 2 | | | Watford | Watford Open Graded Meeting | 25 Aug 21 |
| 1500 | 5:22.37 | | | | 6 | 1 | | | Watford | Watford Open Graded Meeting | 28 Jul 21 |
| 1500 | 5:25.91 | | | | 8 | 3 | | | Harrow | Harrow AC Spring Open | 29 Apr 21 |
| 1500 | 5:30.57 | | | | 4 | | | | Milton Keynes | Buckinghamshire County Championships | 15 Aug 21 |
| LJ | 3.08 | | | | 6 | A | | | Bracknell | Youth Development League Lower Southern North West | 4 Sep 21 |
| LJ | 2.86 | | | | 3 | B | | | Bedford | Youth Development League Lower Southern North West | 5 Jun 21 |
| 2KXCL | 7:46 | | | | 8 | L1 | | | Wormwood Scrubs | South of England AA Relay Championships | 23 Oct 21 |
| 2.7KXC | 12:37 | | | | 11 | | | | Milton Keynes | Chiltern League (Inc British Athletics Cross Challenge & Oxford Uni Trials) | 13 Nov 21 |
| 2.8KL | 10:41 | | | | 5 | L1 | | | Milton Keynes | SOAR MK Relays | 26 Sep 21 |
| 2.8KXC | 12:01 | | | | 8 | | | | Luton | Chiltern League | 4 Dec 21 |
| 3KXC | 12:01 | | | | 4 | | | | Shotover Hill | Chiltern League | 16 Oct 21 |
| 3KXC | 13:38 | | | | 52 | | | | Croydon | South of England Masters' & Inter Counties Championships | 11 Dec 21 |
| 3.88KL | 16:41 | | | | 23 | L3 | | | Sutton Park | ERRA National Young Athlete Relays | 9 Oct 21 |
| parkrun | 21:10 | | | | 35 | | | | Black Park | Black Park parkrun # 570 | 28 Aug 21 |
| parkrun | 21:36 | | | | 34 | | 2 | | Cassiobury | Cassiobury parkrun # 273 | 31 Jul 21 |
| 2020 U13 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:44.61 | | | | 2 | 1 | | | Harrow | Harrow AC 800m, 1500m Race Night & Long Jump | 24 Sep 20 |
| 1.5KXC | 5:58 | | | | 8 | | | | Milton Keynes | Chiltern League | 8 Feb 20 |
| 1.6KXC | 6:27 | | | | 8 | | | | Stowe | Buckinghamshire County Schools' Championships | 5 Feb 20 |
| 2KXC | 8:26 | | | | 10 | | | | Keysoe | Chiltern League | 11 Jan 20 |
| 2019 U11 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 1.5KXC | 6:42 | | | | 12 | | | | Stowe | Buckinghamshire County Schools' Championships | 6 Feb 19 |
| 1.5KXC | 6:42 | | | | 29 | | | | Milton Keynes | Chiltern League | 9 Feb 19 |
| 1.75KXC | 7:16 | | | | 12 | | | | Milton Keynes | Chiltern League (Inc British Athletics Cross Challenge & Oxford Uni v RAF) | 9 Nov 19 |
| 1.9KXC | 7:12 | | | | 15 | | | | Shottover Hill | Chiltern League | 12 Oct 19 |
| 2KXC | 8:16 | | | | 18 | | | | Keysoe | Chiltern League | 12 Jan 19 |
| parkrun | 21:37 | | | | 27 | | 2 | 1 | Northala Fields | Northala Fields parkrun # 280 | 19 Oct 19 |
| parkrun | 22:08 | | | | 36 | | | 1 | Rickmansworth | Rickmansworth parkrun # 145 | 14 Dec 19 |
| parkrun | 22:18 | | | | 77 | | | 1 | Cassiobury | Cassiobury parkrun # 259 | 25 Dec 19 |
| parkrun | 23:07 | | | | 54 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 369 | 5 Oct 19 |
| parkrun | 23:13 | | | | 37 | | | 1 | Brooklands | Brooklands parkrun # 40 | 24 Aug 19 |
| parkrun | 23:34 | | | | 49 | | | 1 | Shorne Woods | Shorne Woods parkrun # 316 | 20 Apr 19 |
| ZXC | 8:42 | | | | 82 | Y5 | | | Prestwold Hall | National Primary & Year 7 Championships | 23 Mar 19 |
| 2018 U11 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 80 | 15.7 | | | | 5 | 1 | | | Watford | Watford Minors Open Series | 8 Apr 18 |
| 600 | 2:26.5 | | | | 4 | 1 | | | Watford | Watford Minors Open Series | 8 Apr 18 |
| LJ | 1.83 | | | | 17 | | | | Watford | Watford Minors Open Series | 8 Apr 18 |
| 1.7KXC | 8:37 | | | | 30 | | | | Wing | Buckinghamshire Schools' Championships | 7 Feb 18 |
| 1.8KXC | 7:04 | | | | 19 | | | | Milton Keynes | Chiltern League (Inc British Athletics Cross Challenge & Oxford Uni v RAF) | 10 Nov 18 |
| 2.1KXC | 7:28 | | | | 19 | | | | Oxford | Chiltern League | 13 Oct 18 |
| 2.3KXC | 10:05 | | | | 15 | | | | Luton | Chiltern League | 1 Dec 18 |
| parkrun | 24:29 | | | | 86 | | | 1 | Rickmansworth | Rickmansworth parkrun # 95 | 25 Dec 18 |
| parkrun | 25:57 | | | | 120 | | | | Cassiobury | Cassiobury parkrun # 187 | 18 Aug 18 |
| 2017 U11 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 24:59 | | | | 92 | | | | Rickmansworth | Rickmansworth parkrun # 34 | 28 Oct 17 |
| parkrun | 26:39 | | | | 161 | | | | Cassiobury | Cassiobury parkrun # 130 | 22 Jul 17 |
| parkrun | 29:52 | | | | 216 | | | | Cassiobury | Cassiobury parkrun # 129 | 15 Jul 17 |
| parkrun | 29:57 | | | | 101 | | | | Tring | Tring parkrun # 158 | 23 Sep 17 |
| 2016 U11 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 23:37 | | | | 60 | | | 1 | Cassiobury | Cassiobury parkrun # 47 | 2 Jan 16 |