| 2025 U17 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 1:58.10 | | | | 3 | 6 | | | Watford | Watford Harriers Open Graded Meetings | 3 Sep 25 |
| 800 | 1:59.78 | | | | 2 | 6 | | | Watford | Watford Harriers Open Graded Meetings | 11 Jun 25 |
| 800 | 2:03.29 | | | | 1 | H | | | Bedford | Bedfordshire & Hertfordshire County Championships | 10 May 25 |
| 1500 | 3:58.87 | | | | 3 | | | | Hemel Hempstead | Hertfordshire County Schools Championships | 7 Jun 25 |
| 1500 | 3:59.20 | | | | 9 | 6 | | | Watford | Watford Harriers Open Graded Meetings | 25 Jun 25 |
| 1500 | 4:01.81 | | | | 10 | 6 | | | Watford | Watford Harriers Open Graded Meetings | 28 May 25 |
| 1500 | 4:01.88 | | | | 10 | 6 | | | Watford | Watford Harriers Open Graded Meetings | 30 Apr 25 |
| 1500 | 4:05.02 | | | | 3 | 3 | | | Watford | Watford Harriers Open Graded Meetings | 2 Apr 25 |
| 1500 | 4:08.16 | | | | 1 | | | | Stevenage | Hertfordshire County Championships - Day 1 | 5 May 25 |
| 3000 | 8:38.61 | | | | 3 | | | | Birmingham | ESAA English Schools Championships | 12 Jul 25 |
| 3000 | 8:45.11 | | | | 14 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 14 May 25 |
| 3000 | 8:53.09 | | | | 17 | 3 | | | Watford | Watford Harriers Open Graded Meetings | 16 Apr 25 |
| 3000 | 8:53.15 | | | | 3 | h1 | | | Birmingham | ESAA English Schools Championships | 11 Jul 25 |
| 3.68KXC | 13:31 | | | | 1 | | | | Shotover Park | Chiltern League | 8 Feb 25 |
| 3.88KL | 11:38 | | | | 2 | L01 | | | Sutton Park | ERRA National Young Athlete Relays | 4 Oct 25 |
| 4KXC | 14:26 | | | | 38 | | | | Wollaton Park | CAU Inter County Championships (inc British Athletics Cross Challenge) | 8 Mar 25 |
| 4.5KXC | 13:41 | | | | 3 | | | | Trent Park | Middlesex and Hertfordshire County Championships | 4 Jan 25 |
| 4.5KXC | 14:12 | | | | 2 | | | | Beckenham Place | South of England Championships | 25 Jan 25 |
| 4.5KXC | 14:47 | | | | 1 | | | | Cassiobury Park | Chiltern League | 11 Jan 25 |
| 4.6KL | 14:27 | | | | 2 | L02 | | 2 | Aldershot | Southern Young Athletes Relays | 20 Sep 25 |
| 4.8KXC | 15:27 | | | | 41 | | | | Ardingly | ESAA English Schools Championships | 15 Mar 25 |
| parkrun | 16:07 | | | | 1 | | | 1 | Cassiobury | Cassiobury parkrun # 470 | 12 Apr 25 |
| parkrun | 16:56 | | | | 1 | | | 1 | Ross-on-Wye | Ross-on-Wye parkrun # 182 | 5 Apr 25 |
| 5.7KXC | 19:06 | | | | 1 | U17M | | | Verulamium Park | Chiltern League | 11 Oct 25 |
| 5.74KXC | 18:43 | c | | | 1 | R2 | | 1 | Horspath | Chiltern League | 15 Nov 25 |
| 2024 U15 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:03.87 | | | | 2 | 1 | | | Watford | Watford Harriers Open Graded Meetings | 12 Jun 24 |
| 800 | 2:07.85 | | | | 11 | 5 | | | Watford | Watford Harriers Open Graded Meetings | 4 Sep 24 |
| 800 | 2:13.49 | | | | 1 | 10 | | | Watford | Watford Harriers Open Graded Meetings | 17 Apr 24 |
| 1500 | 4:05.92 | | | | 7 | 6 | | | Watford | Watford Harriers Open Graded Meetings | 29 May 24 |
| 1500 | 4:06.59 | | | | 11 | 6 | | | Watford | Watford Harriers Open Graded Meetings | 26 Jun 24 |
| 1500 | 4:08.1 | | | | 1 | | | | Hemel Hempstead | Hertfordshire County Schools Championships | 8 Jun 24 |
| 1500 | 4:09.93 | | | | 4 | | | | Birmingham | ESAA English Schools' Championships | 13 Jul 24 |
| 1500 | 4:10.82 | | | | 2 | h1 | | | Birmingham | ESAA English Schools' Championships | 12 Jul 24 |
| 1500 | 4:12.32 | | | | 1 | | | | Stevenage | Hertfordshire County Championships Day 1 | 6 May 24 |
| 1500 | 4:15.65 | | | | 3 | 3 | | | Watford | Watford Harriers Open Graded Meetings | 1 May 24 |
| 1500 | 4:15.72 | | | | 12 | 5 | | | Watford | Watford Harriers Open Graded Meetings | 21 Aug 24 |
| 1500 | 4:21.63 | | | | 4 | 10 | | | Watford | Watford Harriers Open Graded Meetings | 3 Apr 24 |
| 3000 | 8:54.05 | | | | 12 | h2 | | | Watford | Watford Harriers Open Graded Meetings | 15 May 24 |
| 3KL | 9:48 | | | | 9 | L1 | | | Aldershot | Southern Young Athletes Relays | 21 Sep 24 |
| 3.18KXC | 10:06 | | | | 4 | | | | Pontefract | ESAA English Schools Championships | 16 Mar 24 |
| 3.68KXC | 14:15 | | | | 1 | | | | Shotover Park | Chiltern League | 10 Feb 24 |
| 3.88KL | 12:33 | | | | 6 | L1 | | | Sutton Park | ERRA National Young Athlete Relays | 5 Oct 24 |
| 4KXC | 12:14 | | | | 2 | | | | Keysoe | Chiltern League | 12 Oct 24 |
| 4KXC | 13:19 | | | | 58 | | | | Wollaton Park | CAU Inter County Championships (inc British Athletics Cross Challenge) | 9 Mar 24 |
| 4KXC | 13:46 | | | | 10 | | | | Abbotstown, IRL | SIAB Schools International | 23 Mar 24 |
| 4.2KXC | 15:19 | | | | 4 | | | | St Albans | Hertfordshire County Championships | 7 Jan 24 |
| 4.3KXC | 13:34 | | | | 1 | | | | Luton | Chiltern League | 30 Nov 24 |
| 4.4KXC | 14:51 | | | | 1 | | | | Milton Keynes | Chiltern League | 9 Nov 24 |
| 4.5KXC | 15:23 | | | | 2 | | | | Cassiobury Park | Chiltern League | 13 Jan 24 |
| parkrun | 16:46 | | | | 1 | | | 1 | Cassiobury | Cassiobury parkrun # 443 | 19 Oct 24 |
| parkrun | 16:55 | | | | 2 | | | 1 | Southend | Southend parkrun # 554 | 10 Aug 24 |
| parkrun | 17:05 | | | | 7 | | | 1 | Rickmansworth | Rickmansworth parkrun # 337 | 21 Dec 24 |
| parkrun | 17:11 | | | | 1 | | | 1 | Southwick Country Park | Southwick Country Park parkrun # 602 | 17 Aug 24 |
| 2023 U15 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:15.90 | | | | 2 | 7 | | | Watford | Watford Harriers Open Graded Meetings | 12 Jul 23 |
| 800 | 2:21.58 | | | | 12 | 11 | | | Watford | Watford Harriers Open Graded Meetings | 19 Apr 23 |
| 1500 | 4:23.24 | | | | 10 | 3 | | | Watford | Watford Harriers Open Graded Meetings | 28 Jun 23 |
| 1500 | 4:26.98 | | | | 4 | 9 | | | Watford | Watford Harriers Open Graded Meetings | 26 Jul 23 |
| 1500 | 4:29.28 | | | | 1 | | | | Hemel Hempstead | Hertfordshire County Schools | 10 Jun 23 |
| 1500 | 4:34.05 | | | | 1 | | | | Stevenage | Hertfordshire & Bedfordshire County Championships | 1 May 23 |
| 1500 | 4:34.43 | | | | 1 | | | | Nuneaton | National Preparatory Schools Athletics Championships | 3 Jul 23 |
| 1500 | 4:36.4 | | | | 1 | | | | Bedford | East Area Prep Schools Championships | 9 Jun 23 |
| 1500 | 4:39.37 | | | | 9 | 8 | | | Watford | Watford Harriers Open Graded Meetings | 5 Apr 23 |
| 3000 | 10:17.07 | | | | 22 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 9 Aug 23 |
| 2KXCL | 6:43 | | | | 9 | L01 | | | Wormwood Scrubs | South of England AA Relay Championships | 21 Oct 23 |
| 2.6K | 8:45 | | | | 21 | | | | London | TCS Mini London Marathon | 22 Apr 23 |
| 2.8KXC | 10:04 | | | | 2 | | | | Milton Keynes | Chiltern League | 14 Jan 23 |
| 3KL | 10:01 | | | | 12 | L01 | | | Aldershot | Southern Young Athletes Relays | 23 Sep 23 |
| 3KXC | 10:18 | | | | 5 | | | | Beckenham Place | South of England Championships | 28 Jan 23 |
| 3KXC | 12:34 | | | | 10 | | | | Loughborough | CAU Inter County Championships (inc British Athletics Cross Challenge) | 11 Mar 23 |
| 3.4KXC | 13:11 | | | | 1 | | | | Watford | Hertfordshire County Championships | 8 Jan 23 |
| 4.1KXC | 12:55 | | | | 5 | | | | Bedford | Chiltern League | 14 Oct 23 |
| 4.2KXC | 13:47 | | | | 2 | | | | Luton | Chiltern League | 2 Dec 23 |
| 4.2KXC | 15:11 | | | | 35 | | | | Nottingham | ESAA English Schools Championships | 18 Mar 23 |
| 4.4KXC | 15:43 | | | | 5 | | | | Milton Keynes | Chiltern League | 11 Nov 23 |
| parkrun | 17:11 | | | | 3 | | | 1 | Cassiobury | Cassiobury parkrun # 375 | 15 Jul 23 |
| parkrun | 17:26 | | | | 1 | | | 1 | Cassiobury | Cassiobury parkrun # 371 | 17 Jun 23 |
| parkrun | 17:33 | | | | 14 | | | | Rickmansworth | Rickmansworth parkrun # 269 | 16 Sep 23 |
| parkrun | 18:05 | | | | 2 | | | 1 | Cassiobury | Cassiobury parkrun # 400 | 30 Dec 23 |
| parkrun | 18:28 | | | | 2 | | | 1 | Billericay | Billericay parkrun # 228 | 25 Feb 23 |
| parkrun | 19:11 | | | | 7 | | | 1 | Cassiobury | Cassiobury parkrun # 369 | 3 Jun 23 |
| parkrun | 19:29 | | | | 3 | | | 1 | Gadebridge | Gadebridge parkrun # 355 | 29 Jul 23 |
| 2022 U13 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 75 | 12.5 | | | | 5 | B | | | Southampton | UK Youth Development League Lower Southern 1A | 8 May 22 |
| 800 | 2:18.40 | | | | 5 | 8 | | | Watford | Watford Open Graded Meeting | 18 May 22 |
| 800 | 2:21.40 | | | | 12 | 7 | | | Watford | Watford Open Graded Meeting | 15 Jun 22 |
| 800 | 2:23.56 | | | | 8 | 6 | | | Watford | Watford Open Graded Meeting | 10 Aug 22 |
| 800 | 2:24.72 | | | | 5 | 8 | | | Watford | Watford Open Graded Meeting | 20 Apr 22 |
| 800 | 2:25.0 | | | | 1 | A | | | Southampton | UK Youth Development League Lower Southern 1A | 8 May 22 |
| 800 | 2:25.18 | | | | 9 | 7 | | | Watford | Watford Open Graded Meeting | 7 Sep 22 |
| 1200 | 3:43.21 | | | | 1 | A | | | Eton | UK Youth Development League Lower Southern 1A | 30 Jul 22 |
| 1500 | 4:34.87 | | | | 1 | 6 | | | Watford | Watford Open Graded Meeting | 29 Jun 22 |
| 1500 | 4:38.26 | | | | 1 | | | | Nuneaton | National Preparatory Schools Athletics Championships | 4 Jul 22 |
| 1500 | 4:40.44 | | | | 9 | 8 | | | Watford | Watford Open Graded Meeting | 24 Aug 22 |
| 1500 | 4:42.39 | | | | 5 | 8 | | | Watford | Watford Open Graded Meeting | 1 Jun 22 |
| 1500 | 4:42.74 | | | | 10 | 9 | | | Watford | Watford Open Graded Meeting | 4 May 22 |
| 1500 | 4:44.17 | | | | 1 | | | | Hemel Hempstead | Hertfordshire Schools Championships | 11 Jun 22 |
| 1500 | 4:44.5 | | | | 1 | | | | Bedford | East Area Prep Schools Athletics Championships | 10 Jun 22 |
| 1500 | 4:48.1 | | | | 1 | | | | Stevenage | Hertfordshire County 1500m, Masters, Disability & Relay Championships | 23 Apr 22 |
| 75HU13M | 17.2 | | | | 3 | A | | | Southampton | UK Youth Development League Lower Southern 1A | 8 May 22 |
| LJ | 3.09 | | | | 6 | B | | | Eton | UK Youth Development League Lower Southern 1A | 30 Jul 22 |
| 2.6K | 8:51 | | | | 21 | | | 23 | London | TCS Mini London Marathon | 1 Oct 22 |
| 2.8KXC | 9:56 | | | | 1 | | | | Milton Keynes | Chiltern League | 15 Jan 22 |
| 2.9KXC | 10:12 | | | | 3 | U13M | | | Oxford | Chiltern League | 15 Oct 22 |
| 2.9KXC | 11:19 | | | | 1 | | | | Stanborough | Hertfordshire County Championships | 9 Jan 22 |
| 3KL | 10:43 | | | | 4 | A | | | Rushmoor | Aldershot Road Relays | 24 Sep 22 |
| 3KXC | 9:45 | | | | 1 | | | | Shuttleworth Park | Chiltern League | 19 Feb 22 |
| 3KXC | 9:54 | | | | 1 | Y7 | | | Market Harborough | National Primary & Year 7 Championships | 26 Mar 22 |
| 3KXC | 10:54 | | | | 18 | | | | Horspath | South of England Masters' & Inter Counties Championships | 10 Dec 22 |
| 3KXC | 11:04 | | | | 8 | | | | Beckenham | South of England AA Championships | 29 Jan 22 |
| 3KXC | 12:25 | | | | 15 | | | | Parliament Hill | ECCA Saucony English National Championships | 26 Feb 22 |
| 3.1KXC | 11:23 | | | | 8 | | | 8 | Milton Keynes | Chiltern League (Inc British Cross Challenge & Home Countries International & Oxford Uni v RAF) | 12 Nov 22 |
| 3.2KXC | 11:54 | | | | 9 | | | | Loughborough | CAU Inter County Championships (Inc British Athletics Cross Challenge) | 12 Mar 22 |
| 3.88KL | 13:46 | | | | 9 | L1 | | | Sutton Park | ERRA National Young Athlete Relays | 8 Oct 22 |
| 2021 U13 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 75 | 12.3 | | | | 2 | B | | | Bedford | Youth Development League Lower Southern North West | 5 Jun 21 |
| 800 | 2:30.26 | | | | 2 | 3 | | | Watford | Watford Open Graded Meeting | 8 Sep 21 |
| 800 | 2:30.43 | | | | 2 | | | | Watford | Hertfordshire & Bedfordshire County Championships | 31 Jul 21 |
| 800 | 2:31.47 | | | | 4 | 5 | | | Eton | Windsor, Slough, Eton & Hounslow Middle Distance & Sprints Closed Meeting | 16 May 21 |
| 1200 | 3:57.3 | | | | 1 | A | | | Bedford | Youth Development League Lower Southern North West | 5 Jun 21 |
| 1200 | 4:01.7 | | | | 2 | A | | | Bracknell | Youth Development League Lower Southern North West | 4 Sep 21 |
| 1200 | 4:01.71 | | | | 2 | | | | Harrow | Harrow AC Spring Open | 20 May 21 |
| 1500 | 4:52.68 | | | | 1 | 3 | | | Watford | Watford Open Graded Meeting | 28 Jul 21 |
| 1500 | 4:57.28 | | | | 12 | 5 | | | Watford | Watford Open Graded Meeting | 25 Aug 21 |
| 1500 | 5:03.43 | | | | 1 | 2 | | | Harrow | Harrow AC Spring Open | 29 Apr 21 |
| LJ | 3.25 | | | | 5 | A | | | Bedford | Youth Development League Lower Southern North West | 5 Jun 21 |
| 2.6K | 9:37 | | | | 71 | | | | London | Virgin Money London Mini Marathon | 3 Oct 21 |
| 2.7KXC | 11:41 | | | | 6 | | | | Milton Keynes | Chiltern League (Inc British Athletics Cross Challenge & Oxford Uni Trials) | 13 Nov 21 |
| 2.8KXC | 10:41 | | | | 1 | | | | Luton | Chiltern League | 4 Dec 21 |
| 3KXC | 11:06 | | | | 1 | | | | Shotover Hill | Chiltern League | 16 Oct 21 |
| 3KXC | 12:03 | | | | 15 | | | | Croydon | South of England Masters' & Inter Counties Championships | 11 Dec 21 |
| 3.88KL | 14:22 | | | | 13 | L1 | | | Sutton Park | ERRA National Young Athlete Relays | 9 Oct 21 |
| parkrun | 19:58 | | | | 2 | | | 1 | Gadebridge | Gadebridge parkrun # 274 | 18 Dec 21 |
| parkrun | 20:37 | | | | 6 | | | 1 | Gadebridge | Gadebridge parkrun # 259 | 28 Aug 21 |
| 2020 U11 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 1.5KXC | 3:52 | | | | 1 | | | | Fairlands Valley | Hertfordshire County Championships | 5 Jan 20 |
| 1.5KXC | 5:19 | | | | 3 | | | | Milton Keynes | Chiltern League | 8 Feb 20 |
| 2KXC | 7:27 | | | | 4 | | | | Keysoe | Chiltern League | 11 Jan 20 |
| 2019 U11 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 1.75KXC | 6:48 | | | | 9 | | | | Milton Keynes | Chiltern League (Inc British Athletics Cross Challenge & Oxford Uni v RAF) | 9 Nov 19 |
| 1.9KXC | 6:57 | | | | 17 | | | | Shottover Hill | Chiltern League | 12 Oct 19 |
| 2KXC | 7:24 | | | | 2 | | | | Luton | Chiltern League | 7 Dec 19 |
| parkrun | 23:07 | | | | 12 | | | 1 | Gadebridge | Gadebridge parkrun # 216 | 13 Jul 19 |
| parkrun | 26:03 | | | | 56 | | | | Gadebridge | Gadebridge parkrun # 205 | 20 Apr 19 |
| 2018 U11 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 26:26 | | | | 41 | | | 1 | Gadebridge | Gadebridge parkrun # 181 | 3 Nov 18 |
| parkrun | 27:35 | | | | 80 | | | | Gadebridge | Gadebridge parkrun # 179 | 20 Oct 18 |