| 2023 U17 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 400 | 54.5 | | | | 3 | A | | | Brighton | UK Youth Development League Upper - Southern 1A | 28 May 23 |
| 400 | 58.45 | | | | 4 | B | | | Horspath | Buckinghamshire & Oxfordshire County Championships | 13 May 23 |
| 800 | 1:58.41 | | | | 4 | B | | | Wormwood Scrubs | BMC Regional Races | 10 May 23 |
| 800 | 1:58.81 | | | | 7 | 16 | | | Watford | Watford Harriers Open Graded Meetings | 17 May 23 |
| 800 | 2:00.30 | | | | 4 | B | | | Oxford | BMC PB Classic | 3 Jun 23 |
| 800 | 2:00.61 | i | | | 3 | h3 | | | Sheffield | England Athletics U20/U17 & U15 Championships | 11 Feb 23 |
| 800 | 2:00.70 | i | | | 4 | 1 | | | Lee Valley | London Indoor Games Age Groups | 28 Jan 23 |
| 800 | 2:00.80 | i | | | 3 | h3 | | | Lee Valley | Southern U13/U15 & U17 Individual Championships | 15 Jan 23 |
| 800 | 2:01.49 | | | | 8 | 16 | | | Watford | Watford Harriers Open Graded Meetings | 19 Apr 23 |
| 800 | 2:02.5 | | | | 3 | A | | | Brighton | UK Youth Development League Upper - Southern 1A | 28 May 23 |
| 800 | 2:03.01 | i | | | 6 | 1 | | | Lee Valley | Lee Valley New Year's Open | 2 Jan 23 |
| 800 | 2:05.0 | | | | 3 | B | | | Walton | Southern Athletics League Division 2 South & West | 20 May 23 |
| 1500 | 4:07.44 | | | | 9 | 14 | | | Watford | Watford Harriers Open Graded Meetings | 31 May 23 |
| 1500 | 4:12.32 | | | | 4 | 13 | | | Watford | Watford Harriers Open Graded Meetings | 3 May 23 |
| 5.7KXC | 19:05 | | | | 188 | | | | Nottingham | ESAA English Schools Championships | 18 Mar 23 |
| 6KXC | 21:38 | | | | 8 | | | | Stowe School | Buckinghamshire Schools' Championships | 8 Feb 23 |
| 2022 U17 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 200 | 25.5 | | -1.8 | | 6 | A | | | Bournemouth | UK Youth Development League Upper Southern 1A | 29 May 22 |
| 400 | 53.32 | | | | 5 | 3 | | | Watford | Watford Open Graded Meeting | 24 Aug 22 |
| 400 | 54.4 | | | | 1 | B | | | Sandy | Southern Athletics League Division 3 North | 16 Jul 22 |
| 400 | 57.7 | | | | 5 | A | | | Bournemouth | UK Youth Development League Upper Southern 1A | 29 May 22 |
| 800 | 1:58.33 | | | | 6 | 12 | | | Watford | Watford Open Graded Meeting | 15 Jun 22 |
| 800 | 1:58.35 | | | | 4 | h1 | | | Sportcity | ESAA - English Schools Championships | 8 Jul 22 |
| 800 | 1:59.42 | | | | 7 | 14 | | | Watford | Watford Open Graded Meeting | 7 Sep 22 |
| 800 | 1:59.78 | | | | 8 | 17 | | | Watford | Watford Open Graded Meeting | 13 Jul 22 |
| 800 | 2:00.00 | i | | | 5 | | | | Lee Valley | Southern U13/15/17 Championships | 16 Jan 22 |
| 800 | 2:00.21 | | | | 6 | h3 | | | Bedford | England Athletics Under 15 & Under 17 Championships | 27 Aug 22 |
| 800 | 2:00.76 | | | | 7 | 14 | | | Watford | Watford Open Graded Meeting | 18 May 22 |
| 800 | 2:00.84 | | | | 6 | C | | | Milton Keynes | BMC PB Classic | 4 Jun 22 |
| 800 | 2:02.58 | i | | | 3 | h2 | | | Lee Valley | Southern U13/15/17 Championships | 16 Jan 22 |
| 800 | 2:02.68 | | | | 7 | 17 | | | Watford | Watford Open Graded Meeting | 20 Apr 22 |
| 800 | 2:02.8 | | | | 1 | | | | Milton Keynes | Buckinghamshire Schools Championships | 11 Jun 22 |
| 800 | 2:04.88 | i | | | 2 | h2 | | | Sheffield | England Athletics Age Group (U15/U17/U20) Indoor Championships | 12 Feb 22 |
| 800 | 2:05.73 | i | | | 6 | 4 | | | Lee Valley | Lee Valley New Year Open | 2 Jan 22 |
| 800 | 2:06.5 | | | | 2 | A | | | Hillingdon | UK Youth Development League Upper Southern 1A | 24 Apr 22 |
| 800 | 2:07.41 | | | | 1 | A | | | Portsmouth | UK Youth Development League Upper Southern 1A | 7 Aug 22 |
| 1500 | 4:08.38 | | | | 13 | 12 | | | Watford | Watford Open Graded Meeting | 1 Jun 22 |
| 1500 | 4:10.84 | | | | 8 | 12 | | | Watford | Watford Open Graded Meeting | 4 May 22 |
| 1500 | 4:12.96 | | | | 16 | 11 | | | Watford | Watford Open Graded Meeting | 27 Jul 22 |
| 1500 | 4:15.92 | | | | 1 | A | | | Portsmouth | UK Youth Development League Upper Southern 1A | 7 Aug 22 |
| 1500 | 4:18.18 | | | | 11 | 11 | | | Watford | Watford Open Graded Meeting | 29 Jun 22 |
| 1500 | 4:19.21 | | | | 7 | 8 | | | Watford | Watford Open Graded Meeting | 6 Apr 22 |
| 1500 | 4:21.01 | | | | 1 | 2 | | | Horspath | Oxon & Bucks Midweek Opens | 8 Jun 22 |
| 1500 | 4:22.0 | | | | 1 | A | | | Harrow | UK Youth Development League Upper Southern 1A | 26 Jun 22 |
| TJ | 9.31 | | | | 4 | A | | | Harrow | UK Youth Development League Upper Southern 1A | 26 Jun 22 |
| TJ | 9.08 | | 0.1 | | 5 | A | | | Portsmouth | UK Youth Development League Upper Southern 1A | 7 Aug 22 |
| 3KXC | 10:02 | | | | 12 | L1 | | 12 | Wormwood Scrubs | South of England AA Relay Championships | 22 Oct 22 |
| 3.5KXC | 12:39 | | | | 9 | | | | Milton Keynes | Bedfordshire / Buckinghamshire County Championships | 8 Jan 22 |
| 3.88KL | 12:50 | | | | 21 | L3 | | | Sutton Park | ERRA National Young Athlete Relays | 8 Oct 22 |
| 4KXC | 14:03 | | | | 8 | | | | Shuttleworth Park | Chiltern League | 19 Feb 22 |
| 4KXC | 16:29 | | | | 90 | | | | Parliament Hill | ECCA Saucony English National Championships | 26 Feb 22 |
| 4.2KXC | 15:25 | | | | 80 | | | | Loughborough | CAU Inter County Championships (Inc British Athletics Cross Challenge) | 12 Mar 22 |
| 4.5KXC | 17:15 | | | | 72 | | | | Beckenham | South of England AA Championships | 29 Jan 22 |
| 4.6KL | 15:34 | | | | 11 | C | | 11 | Rushmoor | Aldershot Road Relays | 24 Sep 22 |
| parkrun | 16:46 | | | | 4 | | | | Rickmansworth | Rickmansworth parkrun # 218 | 17 Sep 22 |
| parkrun | 17:40 | | | | 5 | | | | Rickmansworth | Rickmansworth parkrun # 232 | 25 Dec 22 |
| parkrun | 18:30 | | | | 4 | | | 1 | Bournemouth | Bournemouth parkrun # 374 | 23 Apr 22 |
| 5.33KXC | 19:34 | | | | 101 | | | | Leeds | ESAA English Schools Cup Final | 3 Dec 22 |
| 5.6KXC | 18:55 | | | | 9 | | | | Stowe | Buckinghamshire County Schools' Championships | 2 Feb 22 |
| 5.75KXC | 22:10 | | | | 189 | | | | Tonbridge | ESAA English Schools Championships | 19 Mar 22 |
| 2021 U15 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 100 | 12.37 | w | 2.6 | | 2 | 2.5 | | | Harrow | Harrow AC Spring Open | 27 May 21 |
| 100 | 12.42 | | 1.7 | | 2 | 1.6 | | | Harrow | Harrow AC Spring Open | 27 May 21 |
| 200 | 24.68 | w | 3.4 | | 5 | 6 | | | Harrow | Harrow AC Spring Open | 27 May 21 |
| 200 | 25.4 | | | | 3 | A | | | Bracknell | Youth Development League Lower Southern North West | 4 Sep 21 |
| 400 | 55.52 | | | | 5 | 4 | | | Watford | Watford Open Graded Meeting | 25 Aug 21 |
| 800 | 2:01.61 | | | | 2 | 1 | | | Sportcity | ESAA - New Balance English Schools Championships | 11 Jul 21 |
| 800 | 2:02.32 | | | | 3 | 4 | | | Harrow | Harrow AC Late Summer Open | 16 Sep 21 |
| 800 | 2:02.43 | | | | 5 | 11 | | | Watford | Watford Open Graded Meeting | 8 Sep 21 |
| 800 | 2:03.20 | | | | 3 | E | | | Milton Keynes | BMC PB Classic | 5 Jun 21 |
| 800 | 2:04.33 | | | | 5 | B5 | | | Chelmsford | Chelmsford Sport & Athletics Centre Track Night | 9 Jun 21 |
| 800 | 2:05.24 | | | | 3 | 10 | | | Harrow | Harrow AC Spring Open | 29 Apr 21 |
| 800 | 2:05.68 | | | | 3 | | | | Kingston | South of England U17/U15/U13 Championships | 22 Aug 21 |
| 800 | 2:05.73 | | | | 7 | 1 | | | Eton | Windsor, Slough, Eton & Hounslow Middle Distance & Sprints Closed Meeting | 16 May 21 |
| 800 | 2:07.64 | | | | 1 | h1 | | | Kingston | South of England U17/U15/U13 Championships | 21 Aug 21 |
| 800 | 2:08.4 | | | | 1 | | | | Milton Keynes | Buckinghamshire Schools Championships | 12 Jun 21 |
| 800 | 2:08.4 | | | | 1 | A | | | Bracknell | Youth Development League Lower Southern North West | 4 Sep 21 |
| 800 | 2:10.32 | | | | 1 | | | | Milton Keynes | Buckinghamshire County Championships | 31 Jul 21 |
| 1500 | 4:23.68 | | | | 8 | 4 | | | Harrow | Harrow AC Spring Open | 20 May 21 |
| 1500 | 4:25.2 | | | | 3 | 1 | | | Sandy | Bedfordshire Open | 16 Jun 21 |
| 1500 | 4:34.44 | | | | 2 | | | | Milton Keynes | Buckinghamshire County Championships | 15 Aug 21 |
| 3000 | 9:42.61 | | | | 1 | 7 | | | Harrow | Harrow AC 3000m Spring Open | 22 Apr 21 |
| 3000 | 9:49.29 | | | | 5 | 2 | | | Harrow | Harrow Spring Open | 13 May 21 |
| 3000 | 9:54.97 | | | | 2 | | | | Bedford | South of England U20/Senior Championships | 13 Jun 21 |
| JT600 | 15.27 | | | | 4 | B | | | Bracknell | Youth Development League Lower Southern North West | 4 Sep 21 |
| 2KXCL | 6:31 | | | | 2 | L2 | | | Wormwood Scrubs | South of England AA Relay Championships | 23 Oct 21 |
| 2.8KL | 9:07 | | | | 3 | L1 | | | Milton Keynes | SOAR MK Relays | 26 Sep 21 |
| 3.88KL | 13:22 | | | | 17 | L1 | | | Sutton Park | ERRA National Young Athlete Relays | 9 Oct 21 |
| 4KXC | 13:48 | | | | 2 | | | | Shotover Hill | Chiltern League | 16 Oct 21 |
| 4KXC | 14:50 | | | | 47 | | | | Croydon | South of England Masters' & Inter Counties Championships | 11 Dec 21 |
| 4.4KXC | 15:48 | | | | 24 | | | | Milton Keynes | Chiltern League (Inc British Athletics Cross Challenge & Oxford Uni Trials) | 13 Nov 21 |
| 4.5KXC | 17:50 | | | | 37 | | | | Newquay | ESAA English Schools Cup Final | 4 Dec 21 |
| parkrun | 18:03 | | | | 4 | | | 1 | Cassiobury | Cassiobury parkrun # 282 | 2 Oct 21 |
| parkrun | 18:20 | | | | 5 | | | | Cassiobury | Cassiobury parkrun # 277 | 28 Aug 21 |
| parkrun | 18:21 | | | | 12 | | | | Rickmansworth | Rickmansworth parkrun # 182 | 25 Dec 21 |
| parkrun | 19:09 | | | | 9 | | | 1 | Medina I.O.W. | Medina I.O.W. parkrun # 455 | 7 Aug 21 |
| 2020 U15 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:11.32 | | | | 1 | 8 | | | Harrow | Harrow AC 800m, 1500m Race Night & Long Jump | 24 Sep 20 |
| 800 | 2:15.4 | | | | 1 | 7 | | | Harrow | Harrow AC 800m & 1500m Race Night 1 | 27 Aug 20 |
| Mile | 4:58.97 | | | | 10 | 7 | | | Harrow | Harrow AC Early Autumn Mile & 3000m | 1 Oct 20 |
| 3000 | 9:55.56 | | | | 8 | 5 | | | Harrow | Harrow 3000m Race Night & Long Jump | 10 Sep 20 |
| 2.8KXC | 9:51 | | | | 7 | | | | Milton Keynes | Chiltern League | 8 Feb 20 |
| 3KXC | 11:42 | | | | 9 | | | | Keysoe | Chiltern League | 11 Jan 20 |
| 3KXC | 12:54 | | | | 71 | | | | Parliament Hill | South of England AA Championships | 25 Jan 20 |
| 3.7KXC | 16:10 | | | | 80 | | | | Wollaton Park | ECCA Saucony English National Championships | 22 Feb 20 |
| 4KXC | 14:29 | | | | 11 | | | | Stowe | Buckinghamshire County Schools' Championships | 5 Feb 20 |
| parkrun | 19:57 | | | | 11 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 384 | 18 Jan 20 |
| parkrun | 20:15 | | | | 35 | | | 1 | Rickmansworth | Rickmansworth parkrun # 149 | 1 Jan 20 |
| 2019 U13 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 100 | 13.36 | | 1.3 | | 2 | h1 | | | Wycombe | Wycombe Phoenix Junior Championships | 16 Jun 19 |
| 100 | 13.37 | | 0.2 | | 2 | | | | Wycombe | Wycombe Phoenix Junior Championships | 16 Jun 19 |
| 100 | 13.4 | | | | 4 | A | | | Hillingdon | UK Youth Development U13/U15 League Division South Central 1 | 18 May 19 |
| 100 | 13.50 | | 1.6 | | 1 | B | | | Horspath | Oxfordshire / Buckinghamshire County Championships | 11 May 19 |
| 100 | 13.55 | | 1.7 | | 1 | 3 | | | Watford | Watford Open Graded Meeting | 1 May 19 |
| 100 | 13.8 | | | | 6 | A | | | Wormwood Scrubs | UK Youth Development U13/U15 League Division South Central 1 | 20 Jul 19 |
| 100 | 13.90 | | | | 4 | 3 | | | Watford | Watford Open Graded Meeting | 3 Apr 19 |
| 100 | 14.1 | | | | 5 | A | | | Sandy | UK Youth Development U13/U15 League Division South Central 1 | 22 Jun 19 |
| 800 | 2:17.05 | | | | 1 | 6 | | | Watford | Watford Open Graded Meeting | 12 Jun 19 |
| 800 | 2:17.15 | | | | 1 | 8 | | | Watford | Watford Open Graded Meeting | 10 Jul 19 |
| 800 | 2:18.20 | | | | 9 | 6 | | | Watford | Watford Open Graded Meeting | 4 Sep 19 |
| 800 | 2:19.5 | | | | 1 | A | | | Wormwood Scrubs | UK Youth Development U13/U15 League Division South Central 1 | 20 Jul 19 |
| 800 | 2:19.79 | | | | 1 | 4 | | | Watford | Watford Open Graded Meeting | 15 May 19 |
| 800 | 2:20.5 | | | | 1 | B | | | Hillingdon | UK Youth Development U13/U15 League Division South Central 1 | 18 May 19 |
| 800 | 2:22.46 | | | | 1 | | | | Wycombe | Wycombe Phoenix Junior Championships | 16 Jun 19 |
| 800 | 2:26.3 | | | | 1 | 2 | | | Milton Keynes | Buckinghamshire Schools Championships | 8 Jun 19 |
| 800 | 2:27.9 | | | | 1 | B | | | Harrow | UK Youth Development U13/U15 League Division South Central 1 | 27 Apr 19 |
| 800 | 2:28.61 | | | | 2 | 4 | | | Watford | Watford Open Graded Meeting | 17 Apr 19 |
| 1500 | 4:40.77 | | | | 1 | 6 | | | Watford | Watford Open Graded Meeting | 24 Jul 19 |
| 1500 | 4:45.17 | | | | 3 | 5 | | | Watford | Watford Open Graded Meeting | 26 Jun 19 |
| 1500 | 4:48.1 | | | | 1 | A | | | Sandy | UK Youth Development U13/U15 League Division South Central 1 | 22 Jun 19 |
| 1500 | 4:51.05 | | | | 2 | 3 | | | Watford | Watford Open Graded Meeting | 29 May 19 |
| 1500 | 4:53.48 | | | | 2 | B | | | Horspath | Oxfordshire / Buckinghamshire County Championships | 11 May 19 |
| 1500 | 4:54.85 | | | | 12 | 7 | | | Watford | Watford Open Graded Meeting | 21 Aug 19 |
| LJ | 3.68 | | | | 9 | | | | Milton Keynes | Buckinghamshire Schools Championships | 8 Jun 19 |
| LJ | 3.60 | | | | 4 | B | | | Wormwood Scrubs | UK Youth Development U13/U15 League Division South Central 1 | 20 Jul 19 |
| SP3K | 6.70 | | | | 5 | A | | | Sandy | UK Youth Development U13/U15 League Division South Central 1 | 22 Jun 19 |
| SP3K | 6.68 | | | | 3 | | | | Wycombe | Wycombe Phoenix Junior Championships | 16 Jun 19 |
| SP3K | 6.28 | | | | 5 | A | | | Harrow | UK Youth Development U13/U15 League Division South Central 1 | 27 Apr 19 |
| 2KXC | 6:40 | | | | 3 | | | | Stowe | Buckinghamshire County Schools' Championships | 6 Feb 19 |
| 2KXCL | 7:22 | | | | 6 | L1 | | | Wormwood Scrubs | South of England AA Relay Championships | 19 Oct 19 |
| 2.8KXC | 10:32 | | | | 23 | | | | Milton Keynes | Chiltern League | 9 Feb 19 |
| 2.9KXC | 10:22 | | | | 6 | | | | Shottover Hill | Chiltern League | 12 Oct 19 |
| 3KXC | 11:06 | | | | 14 | | | | Hughenden Park | Bedfordshire / Buckinghamshire County Championships | 5 Jan 19 |
| 3KXC | 11:17 | | | | 13 | | | | Keysoe | Chiltern League | 12 Jan 19 |
| 3KXC | 12:43 | | | | 95 | | | | Parliament Hill | South of England AA Championships | 26 Jan 19 |
| 3.05KXC | 11:52 | | | | 15 | | | | Spinkhill | ESAA English Schools Cup Final | 7 Dec 19 |
| 3.1KL | 11:41 | | | | 18 | L1 | | | Crystal Palace | Southern Young Athletes Relays | 22 Sep 19 |
| 3.88KL | 14:22 | | | | 9 | L3 | | | Sutton Park | ERRA National Young Athlete Relays | 6 Oct 19 |
| parkrun | 18:52 | | | | 11 | | | | Rickmansworth | Rickmansworth parkrun # 126 | 3 Aug 19 |
| parkrun | 19:24 | | | | 10 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 365 | 7 Sep 19 |
| parkrun | 19:46 | | | | 19 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 363 | 24 Aug 19 |
| ZXC | 12:24 | | | | 10 | | | | Sibford Ferris | ESAA English Schools Cup Regional Finals - East Central | 9 Nov 19 |
| 2018 U13 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 100 | 14.1 | | | | 5 | A | | | Portsmouth | UK Youth Development U13/U15 League Division South Premier 2 | 17 Jun 18 |
| 100 | 14.1 | | | | 5 | A | | | Croydon | UK Youth Development U13/U15 League Division South Premier 2 | 21 Jul 18 |
| 100 | 14.3 | | | | 4 | B | | | Tooting Bec | UK Youth Development U13/U15 League Division South Premier 2 | 19 May 18 |
| 100 | 14.38 | w | 2.4 | | 3 | | | | Little Marlow | Wycombe Phoenix Harriers Invitational (Inc Junior Club Championships) | 15 Apr 18 |
| 100 | 14.44 | | -2.2 | | 4 | B | | | Horspath | Buckinghamshire & Oxfordshire County Championships | 12 May 18 |
| 100 | 14.47 | w | 2.7 | | 2 | h2 | | | Little Marlow | Wycombe Phoenix Harriers Invitational (Inc Junior Club Championships) | 15 Apr 18 |
| 100 | 14.6 | | | | 3 | B | | | Eton | UK Youth Development U13/U15 League Division South Premier 2 | 21 Apr 18 |
| 100 | 14.70 | | -2.0 | | 2 | Bh1 | | | Horspath | Buckinghamshire & Oxfordshire County Championships | 12 May 18 |
| 100 | 15.29 | | 0.4 | | 3 | 4 | | | Bracknell | Bracknell AC Young Athletes Open | 31 Mar 18 |
| 200 | 29.3 | | | | 4 | B | | | Portsmouth | UK Youth Development U13/U15 League Division South Premier 2 | 17 Jun 18 |
| 200 | 29.4 | | | | 5 | A | | | Croydon | UK Youth Development U13/U15 League Division South Premier 2 | 21 Jul 18 |
| 200 | 29.6 | | | | 3 | B | | | Tooting Bec | UK Youth Development U13/U15 League Division South Premier 2 | 19 May 18 |
| 600 | 1:54.36 | | | | 3 | | | | Bracknell | Bracknell AC Young Athletes Open | 31 Mar 18 |
| 800 | 2:33.93 | | | | 1 | 2 | | | Watford | Watford Open Graded Meeting | 13 Jun 18 |
| 800 | 2:36.48 | | | | 5 | B2 | | | Horspath | Buckinghamshire & Oxfordshire County Championships | 13 May 18 |
| 800 | 2:36.86 | | | | 1 | 3 | | | Watford | Watford Open Graded Meeting | 16 May 18 |
| 800 | 2:40.75 | | | | 2 | | | | Little Marlow | Wycombe Phoenix Harriers Invitational (Inc Junior Club Championships) | 15 Apr 18 |
| 1500 | 5:06.09 | | | | 5 | 2 | | | Watford | Watford Open Graded Meeting | 25 Jul 18 |
| 1500 | 5:18.16 | | | | 3 | 1 | | | Watford | Watford Open Graded Meeting | 30 May 18 |
| 1500 | 5:35.16 | | | | 11 | 2 | | | Watford | Watford Open Graded Meeting | 22 Aug 18 |
| LJ | 3.45 | | | | 5 | B | | | Portsmouth | UK Youth Development U13/U15 League Division South Premier 2 | 17 Jun 18 |
| LJ | 3.30 | | | | 5 | | | | Little Marlow | Wycombe Phoenix Harriers Invitational (Inc Junior Club Championships) | 15 Apr 18 |
| LJ | 3.03 | | | | 11 | B | | | Bracknell | Bracknell AC Young Athletes Open | 31 Mar 18 |
| SP3K | 5.04 | | | | 6 | B | | | Croydon | UK Youth Development U13/U15 League Division South Premier 2 | 21 Jul 18 |
| 1.5KXC | 5:47 | | | | 8 | | | | Milton Keynes | Results Base Chiltern League | 10 Feb 18 |
| 1.7KXC | 6:58 | | | | 8 | | | | Wing | Buckinghamshire Schools' Championships | 7 Feb 18 |
| 2KXC | 7:51 | | | | 11 | | | | Keysoe | Results Base Chiltern League | 13 Jan 18 |
| 2KXCL | 7:54 | | | | 37 | L2 | | | Mansfield | ECCA Saucony English National Relay Championships | 3 Nov 18 |
| 2.8KXC | 10:43 | | | | 25 | | | | Luton | Chiltern League | 1 Dec 18 |
| 2.9KXC | 11:06 | | | | 35 | | | | Oxford | Chiltern League | 13 Oct 18 |
| 3.1KL | 12:29 | | | | 17 | L3 | | | Crystal Palace | Southern Young Athletes Relays | 23 Sep 18 |
| 3.2KXC | 13:14 | | | | 69 | | | | Woodbridge | ESAA English Schools Cup Final | 24 Nov 18 |
| parkrun | 20:28 | | | | 36 | | | | Cassiobury | Cassiobury parkrun # 205 | 22 Dec 18 |
| parkrun | 20:56 | | | | 36 | | | 1 | Cassiobury | Cassiobury parkrun # 178 | 16 Jun 18 |
| parkrun | 20:59 | | | | 21 | | | | Wycombe Rye | Wycombe Rye parkrun # 329 | 15 Dec 18 |
| ZXC | 11:35 | | | | 14 | | | | Oakley | ESAA English Schools Cup Regional Finals - East Central | 10 Nov 18 |
| 2017 U11 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 60 | 9.32 | i | | | 25 | | | | Lee Valley | Lee Valley Minithon | 9 Dec 17 |
| 200 | 31.38 | i | | | 20 | | | | Lee Valley | Lee Valley Minithon | 9 Dec 17 |
| 600 | 1:56.97 | i | | | 8 | | | | Lee Valley | Lee Valley Minithon | 9 Dec 17 |
| 1.8KXC | 7:03 | | | | 14 | | | | Milton Keynes | Chiltern League Inc. British Athletics Cross Challenge & RAF v Oxford University | 11 Nov 17 |
| 2.2KXC | 9:44 | | | | 15 | | | | Luton | Results Base Chiltern League | 2 Dec 17 |
| parkrun | 22:36 | | | | 62 | | | | Cassiobury | Cassiobury parkrun # 130 | 22 Jul 17 |
| parkrun | 22:43 | | | | 56 | | | | Cassiobury | Cassiobury parkrun # 144 | 28 Oct 17 |