| 2021 U20 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:22.23 | | | | 1 | B | | | Stevenage | National Athletics League Championship East | 3 Jul 21 |
| 800 | 2:22.9 | | | | 3 | A | | | Chelmsford | Southern Athletics League - Essex | 11 Jul 21 |
| 800 | 2:24.0 | | | | 2 | A | | | Basildon | Southern Athletics League - Essex | 11 Sep 21 |
| 800 | 2:25.9 | | | | 1 | B | | | Braintree | Southern Athletics League - Essex | 14 Aug 21 |
| 800 | 2:28.45 | | | | 2 | A | | | Chelmsford | National Athletics League Championship East | 7 Aug 21 |
| 1500 | 4:57.8 | | | | 1 | B | | | Chelmsford | Southern Athletics League - Essex | 20 Jun 21 |
| 1500SCW | 5:54.9 | | | | 1 | A | | | Chelmsford | Southern Athletics League - Essex | 11 Jul 21 |
| 2000SCW | 8:14.33 | | | | 1 | A | | | Chelmsford | National Athletics League Championship East | 7 Aug 21 |
| 2000SCW | 8:40.23 | | | | 1 | B | | | Stevenage | National Athletics League Championship East | 3 Jul 21 |
| 2020 U20 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:20.55 | i | | | 5 | 7 | | | Lee Valley | Lee Valley Middle Distance Open | 19 Feb 20 |
| 800 | 2:22.91 | | | | 5 | 8 | | | Coulsdon | South London Harriers Middle Distance Race Fest | 10 Oct 20 |
| 4.4KXC | 18:57 | | | | 156 | | | | Sefton Park | New Balance ESAA English Schools' Championships | 14 Mar 20 |
| 5KXC | 20:29 | | | | 36 | | | 7 | Basildon | Essex County U17 / U20 / Senior Championships | 4 Jan 20 |
| 5.3KXC | 25:25 | | | | 144 | | | | Loughborough | CAU Inter County Championships (Inc British Athletics Cross Challenge) | 7 Mar 20 |
| 5.5KXC | 25:20 | | | | 101 | | | | Wollaton Park | ECCA Saucony English National Championships | 22 Feb 20 |
| ZXC | 17:27 | | | | 4 | | | | Writtle | Essex County Schools' Championships | 18 Jan 20 |
| ZXC | 21:20 | | | | 5 | | | 4 | Colchester | Essex League | 11 Jan 20 |
| 2019 U17 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 300 | 45.3 | | | | 4 | A | | | Peterborough | Eastern Young Athletes' League | 5 May 19 |
| 300 | 45.4 | | | | 3 | B | | | Stevenage | Eastern Young Athletes' League | 7 Jul 19 |
| 400 | 63.7 | | | | 2 | B | | | Norwich | Southern Athletics League Division 1 | 27 Apr 19 |
| 800 | 2:16.33 | | | | 1 | | | | Chelmsford | Essex County Schools Championships | 8 Jun 19 |
| 800 | 2:17.85 | | | | 2 | | | | Chelmsford | Essex County Championships | 12 May 19 |
| 800 | 2:18.13 | | | | 5 | A | | | Chelmsford | Eight Counties U17 Inter Counties Championships | 21 Jul 19 |
| 800 | 2:18.6 | | | | 1 | A | | | Chelmsford | Southern Athletics League Division 1 | 15 Jun 19 |
| 800 | 2:20.5 | | | | 2 | A | | | Harrow | Southern Athletics League Division 1 | 13 Jul 19 |
| 800 | 2:21.2 | | | | 3 | A | | | Peterborough | Eastern Young Athletes' League | 5 May 19 |
| 800 | 2:22.4 | | | | 2 | A | | | Stevenage | Eastern Young Athletes' League | 7 Jul 19 |
| 800 | 2:22.9 | | | | 1 | A | | | Bedford | Eastern Young Athletes' League | 14 Apr 19 |
| 800 | 2:25.05 | | | | 2 | A | | | Grays | Eastern Young Athletes' League Final | 15 Sep 19 |
| 800 | 2:26.46 | | | | 2 | h1 | | | Chelmsford | Essex County Championships | 12 May 19 |
| 800 | 2:27.8 | | | | 2 | A | | | Chelmsford | Eastern Young Athletes' League | 2 Jun 19 |
| 800 | 2:39.35 | | | | 2 | h1 | | | Chelmsford | Essex County Schools Championships | 8 Jun 19 |
| 1500 | 5:07.5 | | | | 2 | A | | | Chelmsford | Southern Athletics League Division 1 | 15 Jun 19 |
| 1500SCW | 5:37.7 | | | | 3 | A | | | Chelmsford | Southern Athletics League Division 1 | 19 May 19 |
| 1500SCW | 5:47.3 | | | | 1 | A | | | Harrow | Southern Athletics League Division 1 | 13 Jul 19 |
| 2000SCW | 8:22.9 | | | | 1 | B | | | Norwich | Southern Athletics League Division 1 | 27 Apr 19 |
| TJ | 9.66 | | | | 2 | A | | | Harrow | Southern Athletics League Division 1 | 13 Jul 19 |
| TJ | 9.43 | | | | 2 | A | | | Peterborough | Eastern Young Athletes' League | 5 May 19 |
| TJ | 9.22 | w | | | 4 | A | | | Norwich | Southern Athletics League Division 1 | 27 Apr 19 |
| TJ | 9.15 | | | | 2 | A | | | Bedford | Eastern Young Athletes' League | 14 Apr 19 |
| SP3K | 6.63 | | | | 3 | B | | | Stevenage | Eastern Young Athletes' League | 7 Jul 19 |
| 3.3KXCL | 12:46 | | | | 5 | L1 | | 3 | Writtle College | Essex County Relay Championships | 28 Sep 19 |
| 5KXC | 19:35 | | | | 8 | | | 7 | One Tree Hill | Essex League | 12 Oct 19 |
| 5KXC | 20:24 | | | | 10 | | | 10 | Horseheath | Essex League | 26 Oct 19 |
| 5KXC | 21:41 | | | | 54 | | | | Parliament Hill | South of England AA Championships | 26 Jan 19 |
| 5KXC | 22:08 | | | | 6 | | | | Chelmsford | Essex County U17 / U20 / Senior Championships | 5 Jan 19 |
| 5KXC | 22:56 | | | | 147 | | | | Loughborough | CAU Inter County Championships (Inc British Athletics Cross Challenge) | 9 Mar 19 |
| ZXC | 14:00 | | | | 10 | | | | Hockley | Essex County Schools' Championships | 19 Jan 19 |
| ZXC | 22:03 | | | | 7 | | | 4 | Basildon | Essex League | 2 Feb 19 |
| ZXC | 22:41 | | | | 8 | | | 7 | Writtle College | Essex League | 14 Dec 19 |
| ZXC | 24:15 | | | | 6 | | | 4 | Chingford | Essex League | 12 Jan 19 |
| 2018 U17 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:20.9 | | | | 1 | ns | | | Chelmsford | Southern Athletics League Division 1 | 23 Jun 18 |
| 800 | 2:24.41 | | | | 2 | A | | | Bedford | Southern Athletics League Division 1 | 18 Aug 18 |
| 800 | 2:24.85 | | | | 1 | A | | | Stevenage | Eastern Young Athletes' League Plate Final | 2 Sep 18 |
| 800 | 2:26.4 | | | | 4 | A | | | Dartford | Southern Athletics League Division 1 | 14 Apr 18 |
| 800 | 2:27.72 | | | | 2 | | | | Chelmsford | Essex County Schools Championships | 9 Jun 18 |
| 800 | 2:27.88 | | | | 1 | ns | | | Battersea Park | Southern Athletics League Division 1 | 20 May 18 |
| 800 | 2:32.2 | | | | 2 | A | | | Peterborough | Eastern Young Athletes' League | 5 Aug 18 |
| 800 | 2:32.9 | | | | 2 | B | | | Grays | Eastern Young Athletes' League | 6 May 18 |
| 800 | 2:37.6 | | | | 1 | 2 | | | Chelmsford | Danny Mullane Open | 25 Mar 18 |
| 800 | 2:42.76 | | | | 2 | h1 | | | Chelmsford | Essex County Schools Championships | 9 Jun 18 |
| 1500 | 5:11.3 | | | | 3 | A | | | Hemel Hempstead | Eastern Young Athletes' League | 3 Jun 18 |
| 1500 | 5:16.08 | | | | 3 | A | | | Stevenage | Eastern Young Athletes' League Plate Final | 2 Sep 18 |
| 1500 | 5:24.4 | | | | 1 | B | | | Grays | Eastern Young Athletes' League | 6 May 18 |
| 1500 | 5:25.2 | | | | 1 | B | | | Peterborough | Eastern Young Athletes' League | 5 Aug 18 |
| 1500SCW | 5:41.50 | | | | 1 | B | | | Lee Valley | Southern U17 8 Counties Match | 8 Jul 18 |
| 1500SCW | 6:16.93 | | | | 2 | A | | | Battersea Park | Southern Athletics League Division 1 | 20 May 18 |
| 2000SCW | 8:17.22 | | | | 1 | A | | | Bedford | Southern Athletics League Division 1 | 18 Aug 18 |
| 2000SCW | 8:18.8 | | | | 1 | A | | | Chelmsford | Southern Athletics League Division 1 | 23 Jun 18 |
| TJ | 10.06 | | | | 1 | B | | | Chelmsford | Southern Athletics League Division 1 | 23 Jun 18 |
| TJ | 9.99 | | | | 2 | A | | | Hemel Hempstead | Eastern Young Athletes' League | 3 Jun 18 |
| TJ | 9.70 | | | | 1 | B | | | Bedford | Southern Athletics League Division 1 | 18 Aug 18 |
| TJ | 9.62 | | | | 1 | B | | | Peterborough | Eastern Young Athletes' League | 5 Aug 18 |
| TJ | 9.56 | | | | 4 | A | | | Battersea Park | Southern Athletics League Division 1 | 20 May 18 |
| TJ | 9.53 | | | | 1 | B | | | Stevenage | Eastern Young Athletes' League Plate Final | 2 Sep 18 |
| 4KXC | 18:06 | | | | 296 | | | | Parliament Hill | ECCA Saucony English National Championships | 24 Feb 18 |
| ZXC | 15:37 | | | | 59 | | | | Newbury Showground | South East Schools' Championships | 3 Feb 18 |
| ZXC | 17:05 | | | | 10 | | | | Basildon | Essex League | 10 Feb 18 |
| ZXC | 17:40 | | | | 11 | | | | Writtle | Essex League | 13 Jan 18 |
| ZXC | 20:39 | | | | 11 | | | 7 | One Tree Hill | Essex League | 10 Nov 18 |
| ZXC | 22:23 | | | | 9 | | | 6 | Horseheath | Essex League | 15 Dec 18 |
| 2017 U15 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 300 | 43.73 | | | | 1 | h2 | | | Chelmsford | Essex County Championships | 13 May 17 |
| 300 | 44.33 | | | | 4 | | | | Chelmsford | Essex County Championships | 13 May 17 |
| 300 | 44.8 | | | | 2 | B | | | Tonbridge | UK Youth Development U13/U15 League Division South Premier 2 | 18 Jun 17 |
| 300 | 45.0 | | | | 2 | B | | | St. Albans | Eastern Young Athletes' League | 7 May 17 |
| 300 | 45.19 | | | | 5 | A | | | Hendon | Eastern Young Athletes' League | 30 Jul 17 |
| 300 | 45.54 | | | | 6 | A | | | Woodford | Eastern Young Athletes' League | 2 Jul 17 |
| 300 | 46.26 | | | | 1 | B | | | Grays | Eastern Young Athletes' League Plate Final | 3 Sep 17 |
| 800 | 2:21.19 | | | | 6 | 12 | | | Watford | Watford Open Graded Meeting | 12 Jul 17 |
| 800 | 2:21.44 | | | | 7 | 9 | | | Watford | Watford Open Graded Meeting | 14 Jun 17 |
| 800 | 2:21.50 | | | | 3 | | | | Chelmsford | Essex County Championships | 14 May 17 |
| 800 | 2:23.25 | | | | 4 | | | | Chelmsford | Essex County Schools Championships | 10 Jun 17 |
| 800 | 2:24.9 | | | | 3 | A | | | St. Albans | Eastern Young Athletes' League | 7 May 17 |
| 800 | 2:24.9 | | | | 3 | A | | | Tonbridge | UK Youth Development U13/U15 League Division South Premier 2 | 18 Jun 17 |
| 800 | 2:25.99 | | | | 3 | h2 | | | Chelmsford | Essex County Championships | 14 May 17 |
| 800 | 2:27.09 | | | | 4 | A | | | Hendon | Eastern Young Athletes' League | 30 Jul 17 |
| 800 | 2:29.1 | | | | 2 | B | | | Reading | UK Youth Development U13/U15 League Division South Premier 2 | 22 Apr 17 |
| 800 | 2:29.30 | | | | 4 | A | | | Woodford | Eastern Young Athletes' League | 2 Jul 17 |
| 800 | 2:29.5 | | | | 3 | B | | | Bedford | UK Youth Development U13/U15 League Division South Premier 2 | 16 Jul 17 |
| 800 | 2:29.55 | | | | 5 | h2 | | | Crystal Palace | South of England AA U15 / U17 Championships | 19 Aug 17 |
| 800 | 2:32.50 | | | | 3 | h1 | | | Chelmsford | Essex County Schools Championships | 10 Jun 17 |
| 800 | 2:33.1 | | | | 1 | 3 | | | Chelmsford | Chelmsford Danny Mullane Open | 2 Apr 17 |
| 800 | 2:34.23 | i | | | 2 | 1 | | | Lee Valley | Lee Valley U13 / U15 Open | 5 Mar 17 |
| 800 | 2:35.45 | | | | 4 | A | | | Grays | Eastern Young Athletes' League Plate Final | 3 Sep 17 |
| 1500 | 5:05.37 | | | | 2 | 2 | | | Watford | Watford Open Graded Meeting | 28 Jun 17 |
| 1500 | 5:29.7 | | | | 3 | A | | | Chelmsford | Eastern Young Athletes' League | 4 Jun 17 |
| 3KXCL | 11:50 | | | | 5 | L1 | | | North Ockendon | Essex County Relay Championships | 7 Oct 17 |
| 4KXC | 16:56 | | | | 12 | | | | Writtle | Essex County U13 / U15 / Veterans' Championships | 2 Dec 17 |
| 4KXC | 20:11 | | | | 179 | | | | Parliament Hill | South of England AA Championships | 28 Jan 17 |
| 4KXC | 20:13 | | | | 291 | | | | Nottingham | ECCA Saucony English National Championships | 25 Feb 17 |
| ZXC | 14:25 | | | | 25 | | | | Colchester | Essex County Schools' Championships | 21 Jan 17 |
| ZXC | 17:40 | | | | 12 | | | | Horseheath | Essex League | 28 Oct 17 |
| ZXC | 17:56 | | | | 14 | | | | Hockley | Essex League | 25 Nov 17 |
| ZXC | NT | | | | 21 | | | | Benfleet | English Schools Cup Regional Finals - Essex & Suffolk | 11 Nov 17 |
| 2016 U15 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 300 | 45.36 | | | | 1 | ns | | | Woodford | Eastern Young Athletes' League | 8 May 16 |
| 800 | 2:23.74 | | | | 1 | h2 | | | Chelmsford | Essex County Championships | 15 May 16 |
| 800 | 2:24.49 | | | | 2 | | | | Chelmsford | Essex County Championships | 15 May 16 |
| 800 | 2:24.71 | | | | 4 | | | | Chelmsford | Essex County Schools Championships | 11 Jun 16 |
| 800 | 2:27.34 | | | | 3 | A | | | Woodford | Eastern Young Athletes' League | 8 May 16 |
| 800 | 2:29.66 | | | | 7 | | | | Cambridge | Eastern Counties AA Championships | 25 Jun 16 |
| 800 | 2:30.6 | | | | 1 | A | | | Grays | Eastern Young Athletes' League | 17 Apr 16 |
| 800 | 2:38.74 | | | | 4 | h2 | | | Chelmsford | Essex County Schools Championships | 11 Jun 16 |
| 1500 | 5:14.7 | | | | 2 | B | | | Ashford | UK Youth Development U13/U15 League Division South East 1 | 23 Apr 16 |
| 1500 | 5:18.05 | | | | 2 | | | | Chelmsford | Danny Mullane Open Meeting | 26 Mar 16 |
| TJ | 9.48 | | | | 2 | | | | Chelmsford | Essex County Championships | 15 May 16 |
| 2.75KXC | 11:15 | | | | 77 | | | | Formby | English Schools Cup Final | 3 Dec 16 |
| 3KXC | 11:32 | | | | 6 | | | | Basingstoke | South East Schools' Inter-Counties U13 & U14 Championships | 19 Mar 16 |
| 3KXC | 14:33 | | | | 13 | | | | Upminster | Essex Schools' Year 7 & 8 Championships | 24 Feb 16 |
| 3KXC | 16:04 | | | | 191 | | | | Castle Donington | ECCA Saucony English National Championships | 27 Feb 16 |
| 3.2KXC | 12:50 | | | | 77 | | | | Bexhill | South East Schools' Inter Counties | 6 Feb 16 |
| 3.3KXC | 14:36 | | | | 17 | | | | Colchester | Essex County Schools' Championships | 23 Jan 16 |
| 4KXC | 17:29 | | | | 23 | | | | Writtle | Essex County U13 / U15 / Veterans' Championships | 26 Nov 16 |
| ZXC | 10:56 | | | | 5 | | | | Colchester | Essex League | 7 Feb 16 |
| ZXC | 12:11 | | | | 17 | | | | St Albans | English Schools Cup Regional Finals - North Thames | 12 Nov 16 |
| ZXC | 14:09 | | | | 13 | | | | Chingford | Essex League | 2 Jan 16 |
| 2015 U13 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 75 | 11.09 | | | | 1 | ns1 | | | Brighton | UK Youth Development U13/U15 League Division South North/East 1 | 30 May 15 |
| 100 | 14.4 | | | | 1 | ns | | | Chelmsford | Eastern Young Athletes' League | 10 May 15 |
| 100 | 14.44 | | -0.2 | | 4 | 1 | | | Southend | Southend-on-Sea AC Open | 31 Aug 15 |
| 200 | 29.1 | | | | 1 | B | | | Stevenage | Eastern Young Athletes' League | 12 Jul 15 |
| 200 | 29.4 | | | | 1 | ns | | | Peterborough | Eastern Young Athletes' League | 14 Jun 15 |
| 200 | 29.6 | | | | 2 | A | | | Luton | Eastern Young Athletes' League | 2 Aug 15 |
| 600 | 1:44.77 | | | | 1 | r1 | | | Chelmsford | Essex County Schools Championships | 13 Jun 15 |
| 800 | 2:27.04 | | | | 1 | 4 | | | Watford | Watford Open Graded Meeting | 15 Jul 15 |
| 800 | 2:30.3 | | | | 1 | A | | | Stevenage | Eastern Young Athletes' League | 12 Jul 15 |
| 800 | 2:30.98 | | | | 2 | B | | | Kingston | Derek Crookes Southern U13 Inter County Match | 26 Jul 15 |
| 800 | 2:31.77 | | | | 1 | 2 | | | Chelmsford | Essex County Championships | 23 May 15 |
| 800 | 2:32.5 | | | | 1 | B | | | Grays | Eastern Young Athletes' League Plate Final | 6 Sep 15 |
| 800 | 2:34.5 | | | | 1 | B | | | Luton | Eastern Young Athletes' League | 2 Aug 15 |
| 800 | 2:35.9 | | | | 1 | | | | Southend | Southend-on-Sea AC Open | 31 Aug 15 |
| 800 | 2:37.5 | | | | 1 | ns | | | Ashford | UK Youth Development U13/U15 League Division South North/East 1 | 2 May 15 |
| 800 | 2:37.9 | | | | 1 | B | | | Peterborough | Eastern Young Athletes' League | 14 Jun 15 |
| 800 | 2:40.2 | | | | 1 | B | | | Chelmsford | Eastern Young Athletes' League | 10 May 15 |
| 800 | 2:50.18 | | | | 3 | | | | Chelmsford | Danny Mullane Open Meeting | 4 Apr 15 |
| 1200 | 4:09.4 | | | | 1 | B | | | Chelmsford | UK Youth Development U13/U15 League Division South North/East 1 | 18 Jul 15 |
| 1200 | 4:09.99 | | | | 1 | B | | | Brighton | UK Youth Development U13/U15 League Division South North/East 1 | 30 May 15 |
| 1500 | 5:41.2 | | | | 2 | B | | | Cambridge | Eastern Young Athletes' League | 19 Apr 15 |
| LJ | 4.09 | | | | 1 | ns | | | Chelmsford | Eastern Young Athletes' League | 10 May 15 |
| LJ | 3.74 | | | | 5 | | | | Southend | Southend-on-Sea AC Open | 31 Aug 15 |
| SP2.72K | 6.72 | | | | 3 | A | | | Luton | Eastern Young Athletes' League | 2 Aug 15 |
| SP2.72K | 5.54 | | | | 3 | B | | | Peterborough | Eastern Young Athletes' League | 14 Jun 15 |
| 2.4KXC | 9:45 | | | | 38 | | | | Bedford | English Schools Cup Final | 5 Dec 15 |
| ZXC | 9:00 | | | | 27 | | | | Upminster | Essex Schools' Year 7 and 8 Championships | 25 Feb 15 |
| ZXC | 10:18 | | | | 11 | | | | Abbey Fields | Essex County U13/U15/Veterans' Championships | 28 Nov 15 |
| ZXC | 11:44 | | | | 18 | | | | Colchester | Essex League | 31 Jan 15 |
| ZXC | 12:55 | | | | 5 | | | | Horseheath | Essex League | 14 Nov 15 |
| ZXC | 16:46 | | | | 4 | | | | One Tree Hill | Essex League | 10 Oct 15 |
| ZXC | 16:54 | | | | 34 | | | | Woodford | Essex County Championships | 3 Jan 15 |
| 2014 U13 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:50.6 | | | | 5 | A | | | Ipswich | Eastern Young Athletes' League Plate Final | 7 Sep 14 |
| 800 | 2:51.7 | | | | 2 | B | | | Sandy | Eastern Young Athletes' League | 3 Aug 14 |
| 800 | 2:59.9 | | | | 4 | ns | | | Braintree | Eastern Young Athletes' League | 13 Jul 14 |