| 2025 U17 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 300 | 41.32 | | | | 5 | h2 | | | Chelmsford | Essex County Championships | 10 May 25 |
| 300 | 41.77 | | | | 5 | | | | Chelmsford | Essex County Championships | 10 May 25 |
| 800 | 2:07.88 | | | | 5 | A | | | Twickenham | BMC Record Breaker Races | 18 Jun 25 |
| 800 | 2:08.69 | | | | 2 | | | | Derby | SIAB Track and Field International | 19 Jul 25 |
| 800 | 2:08.90 | | | | 2 | | | | Birmingham | ESAA English Schools Championships | 12 Jul 25 |
| 800 | 2:09.88 | | | | 2 | | | | Watford | BMC Gold Standard Races | 14 May 25 |
| 800 | 2:10.82 | | | | 1 | | | | Chelmsford | Essex County Schools Championships | 14 Jun 25 |
| 800 | 2:11.58 | | | | 9 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 16 Apr 25 |
| 800 | 2:12.38 | | | | 11 | B | | | Tooting | BMC Record Breaker Races | 20 Aug 25 |
| 800 | 2:12.66 | | | | 2 | h2 | | | Birmingham | ESAA English Schools Championships | 11 Jul 25 |
| 800 | 2:12.91 | | | | 2 | | | | Crystal Palace | SEAA Outdoor U13/U15/U17 Championships | 8 Jun 25 |
| 800 | 2:17.21 | | | | 1 | s2 | | | Crystal Palace | SEAA Outdoor U13/U15/U17 Championships | 8 Jun 25 |
| 800 | 2:22.23 | | | | 1 | h2 | | | Crystal Palace | SEAA Outdoor U13/U15/U17 Championships | 7 Jun 25 |
| 800 | 2:28.59 | | | | 1 | h2 | | | Chelmsford | Essex County Schools Championships | 14 Jun 25 |
| 1500 | 4:27.29 | | | | 11 | | | | Watford | BMC Gold Standard Races | 23 Jul 25 |
| 1500 | 4:29.21 | | | | 12 | 6 | | | Wimbledon | Hercules Wimbledon AC 1500m Festival Night | 28 May 25 |
| 1500 | 4:31.33 | | | | 11 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 30 Apr 25 |
| 1500 | 4:40.19 | | | | 8 | | | | Birmingham | England Athletics Age Group Championships (Inc Para) and U15 & U17 Combined Events | 8 Aug 25 |
| 3KL | 10:23 | | | | 1 | L01 | | | Hylands Park | Essex County Relay Championships | 11 Oct 25 |
| 3.75KXC | 13:23 | | | | 35 | | | | Ardingly | ESAA English Schools Championships | 15 Mar 25 |
| 3.88KL | 13:17 | | | | 1 | L01 | | | Sutton Park | ERRA National Young Athlete Relays | 4 Oct 25 |
| 4KXC | 17:04 | | | | 92 | | | | Wollaton Park | CAU Inter County Championships (inc British Athletics Cross Challenge) | 8 Mar 25 |
| 4.3KXC | 16:44 | | | | 3 | | | | Basildon | Essex County Championships | 4 Jan 25 |
| 4.5KXC | 16:26 | | | | 14 | | | | Beckenham Place | South of England Championships | 25 Jan 25 |
| 4.6KL | 16:39 | | | | 4 | L01 | | 4 | Aldershot | Southern Young Athletes Relays | 20 Sep 25 |
| 2024 U15 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 300 | 42.2 | | | | 2 | A | | | Chelmsford | Eastern Young Athletes League | 5 May 24 |
| 300 | 44.4 | | | | 1 | A | | | Grays | Eastern Young Athletes League - NO HAMMER | 14 Apr 24 |
| 800 | 2:10.77 | | | | 2 | | | | Birmingham | ESAA English Schools' Championships | 13 Jul 24 |
| 800 | 2:11.00 | | | | 2 | | | | Parliament Hill | Highgate Harriers Night of the 10000m PBs (inc. British Championships & Olympic Trials) | 18 May 24 |
| 800 | 2:11.04 | | | | 3 | 02 | | | Watford | Watford Harriers Open Graded Meetings | 17 Apr 24 |
| 800 | 2:11.38 | | | | 2 | h2 | | | Birmingham | ESAA English Schools' Championships | 12 Jul 24 |
| 800 | 2:13.03 | | | | 1 | | | | Walton | SEAA U13/U15/U17 Championships | 11 Aug 24 |
| 800 | 2:13.4 | | | | 1 | A | | | Grays | Eastern Young Athletes League - NO HAMMER | 14 Apr 24 |
| 800 | 2:13.84 | | | | 1 | 2 | | | Chelmsford | Essex County Championships | 12 May 24 |
| 800 | 2:15.07 | | | | 1 | 1 | | | Chelmsford | Essex County Schools Championships | 8 Jun 24 |
| 800 | 2:17.2 | | | | 1 | A | | | Chelmsford | Eastern Young Athletes League | 5 May 24 |
| 800 | 2:21.87 | | | | 1 | h1 | | | Walton | SEAA U13/U15/U17 Championships | 10 Aug 24 |
| 1500 | 4:32.73 | | | | 12 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 29 May 24 |
| 1500 | 4:35.66 | | | | 1 | | | | Chelmsford | Essex County Championships | 11 May 24 |
| 1500 | 4:36.1 | | | | 1 | A | | | Chelmsford | Eastern Young Athletes League | 21 Jul 24 |
| 1500 | 4:37.86 | | | | 4 | 7 | | | Watford | Watford Harriers Open Graded Meetings | 3 Apr 24 |
| 1500 | 4:38.15 | | | | 2 | | | | Birmingham | England Athletics U15 & U17 Open Championships, U20 & Senior Open Combined Events Championships, Junior Para Championships (11-18), UK Combined Events Championships | 26 Jul 24 |
| 2KXCL | 7:25 | | | | 3 | L1 | | | Mansfield | ECCA National Cross Country Relays | 2 Nov 24 |
| 2KXCL | 7:28 | | | | 1 | L2 | | | Wormwood Scrubs | South of England AA Relay Championships | 19 Oct 24 |
| 3KL | 10:03 | | | | 1 | L1 | | | Aldershot | Southern Young Athletes Relays | 21 Sep 24 |
| 3KXC | 11:10 | | | | 10 | | | | Abbotstown, IRL | SIAB Schools International | 23 Mar 24 |
| 3.18KXC | 11:08 | | | | 7 | | | | Pontefract | ESAA English Schools Championships | 16 Mar 24 |
| 3.88KL | 13:11 | | | | 2 | L1 | | | Sutton Park | ERRA National Young Athlete Relays | 5 Oct 24 |
| 4KXC | 15:04 | | | | 30 | | | | Wollaton Park | CAU Inter County Championships (inc British Athletics Cross Challenge) | 9 Mar 24 |
| 4KXC | 15:38 | | | | 14 | | | | Weston Park, Shropshire | ECCA Saucony English National Cross Country Championships | 14 Sep 24 |
| 4.3KXC | 17:50 | | | | 3 | | | | Basildon | Essex County Championships | 6 Jan 24 |
| 4.5KXC | 15:27 | | | | 5 | | | | Beckenham Place | South of England Championships | 27 Jan 24 |
| ZXC | NT | | | | 2 | | | | Benfleet | Essex County Schools' Championships | 20 Jan 24 |
| 2023 U15 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 300 | 43.8 | | | | 1 | B | | | Chelmsford | Eastern Young Athletes League | 16 Jul 23 |
| 300 | 44.08 | | | | 1 | B | | | Chelmsford | Eastern Young Athletes League Cup Final | 10 Sep 23 |
| 300 | 44.7 | | | | 2 | B | | | Basildon | Eastern Young Athletes League | 6 Aug 23 |
| 300 | 45.66 | | | | 1 | ns | | | Stevenage | Eastern Young Athletes League | 21 May 23 |
| 800 | 2:16.28 | | | | 3 | B | | | Tooting | BMC Regional Races | 26 Jul 23 |
| 800 | 2:17.03 | | | | 1 | 8 | | | Watford | Watford Harriers Open Graded Meetings | 12 Jul 23 |
| 800 | 2:18.2 | | | | 1 | B | | | Basildon | Eastern Young Athletes League | 6 Aug 23 |
| 800 | 2:19.7 | | | | 1 | A | | | Chelmsford | Eastern Young Athletes League | 2 Jul 23 |
| 800 | 2:20.17 | | | | 1 | B | | | Stevenage | Eastern Young Athletes League | 21 May 23 |
| 800 | 2:21.96 | | | | 1 | A | | | Chelmsford | Eastern Young Athletes League Cup Final | 10 Sep 23 |
| 800 | 2:22.44 | | | | 5 | | | | Grays | Essex County Championships | 14 May 23 |
| 800 | 2:23.1 | | | | 1 | B | | | Chelmsford | Eastern Young Athletes League | 16 Jul 23 |
| 800 | 2:23.32 | | | | 2 | h3 | | | Grays | Essex County Championships | 14 May 23 |
| 1500 | 4:39.49 | | | | 3 | | | | Lee Valley | South of England U13/U15/17 & U20/Senior Walks Championships | 13 Aug 23 |
| 1500 | 4:41.83 | | | | 1 | | | | Grays | Essex County Championships | 13 May 23 |
| 1500 | 4:43.0 | | | | 1 | 2 | | | Chelmsford | ESAA English Schools AA Cup | 8 Jul 23 |
| 1500 | 4:48.77 | | | | 3 | h2 | | | Lee Valley | South of England U13/U15/17 & U20/Senior Walks Championships | 12 Aug 23 |
| 1500 | 4:48.80 | | | | 10 | 8 | | | Watford | Watford Harriers Open Graded Meetings | 3 May 23 |
| 1500 | 4:48.85 | | | | 1 | | | | Grays | Essex County Schools Championship | 10 Jun 23 |
| Mile | 5:16.51 | | | | 2 | | | | Chelmsford | MilesofMiles | 24 Jun 23 |
| HJ | 1.20 | | | | 4 | B | | | Basildon | Eastern Young Athletes League | 6 Aug 23 |
| DT1K | 13.61 | | | | 17 | | | | Chelmsford | ESAA English Schools AA Cup | 8 Jul 23 |
| 2KXCL | 7:03 | | | | 2 | L01 | | | Wormwood Scrubs | South of England AA Relay Championships | 21 Oct 23 |
| 2KXCL | 7:40 | | | | 5 | L01 | | | Mansfield | ECCA National Cross Country Relays | 4 Nov 23 |
| 2.6K | 9:13 | | | | 15 | | | | London | TCS Mini London Marathon | 22 Apr 23 |
| 3KL | 10:36 | | | | 4 | L03 | | | Aldershot | Southern Young Athletes Relays | 23 Sep 23 |
| 3KXC | 10:59 | | | | 14 | | | | Beckenham Place | South of England Championships | 28 Jan 23 |
| 3KXC | 11:26 | | | | 5 | | | | Ardingly | South East Schools' Inter Counties | 4 Feb 23 |
| 3KXC | 12:05 | | | | 40 | | | | Bolesworth Castle | ECCA Saucony English National Cross Country Championships | 25 Feb 23 |
| 3KXC | 12:27 | | | | 2 | | | | Basildon | Essex County Championships | 7 Jan 23 |
| 3.2KXC | 12:33 | | | | 2 | | | | Writtle | Essex County Schools' Championships | 21 Jan 23 |
| 3.5KXC | 12:56 | | | | 1 | Y8 | | | Writtle | Essex Schools' Year 7 & 8 Championships | 8 Feb 23 |
| 3.5KXC | 13:49 | | | | 174 | | | | Nottingham | ESAA English Schools Championships | 18 Mar 23 |
| 3.88KL | 13:51 | | | | 4 | L03 | | | Sutton Park | ERRA National Young Athlete Relays | 7 Oct 23 |
| 4KXC | 14:22 | | | | 17 | | 2 | | Hilly Fields | Essex League | 16 Dec 23 |
| parkrun | 19:33 | | | | 26 | | 2 | 1 | Chelmsford Central | Chelmsford Central parkrun # 507 | 23 Dec 23 |
| 2022 U13 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 200 | 28.96 | w | 2.3 | | - | B | | | Hornchurch | Eastern Young Athletes League | 10 Jul 22 |
| 200 | 30.5 | | | | 3 | B | | | Grays | Eastern Young Athletes League | 1 May 22 |
| 800 | 2:21.12 | | | | 1 | | | | Chelmsford | Essex County Championships | 14 May 22 |
| 800 | 2:24.1 | | | | 1 | A | | | Grays | Eastern Young Athletes League | 1 May 22 |
| 800 | 2:26.21 | | | | 6 | | | | Chelmsford | South of England U13/15/17 Championships | 14 Aug 22 |
| 800 | 2:31.1 | | | | 1 | B | | | Abingdon | ESAA English Schools Cup Final | 2 Jul 22 |
| 800 | 2:33.5 | | | | 1 | 3 | | | Chelmsford | South of England U13/15/17 Championships | 13 Aug 22 |
| 1500 | 4:48.12 | | | | 3 | 4 | | | Watford | Watford Open Graded Meeting | 24 Aug 22 |
| 1500 | 4:56.72 | | | | 9 | 5 | | | Watford | Watford Open Graded Meeting | 4 May 22 |
| 1500 | 4:57.59 | | | | 2 | | | | Chelmsford | Essex County Championships | 15 May 22 |
| 1500 | 4:57.79 | | | | 1 | 1 | | | Chelmsford | Essex County Schools Athletics Year 7 Championship | 29 Jun 22 |
| 1500 | 5:00.69 | | | | 1 | A | | | Chelmsford | Eastern Young Athletes League Final | 11 Sep 22 |
| SP2.72K | 4.79 | | | | 3 | ns | | | Hornchurch | Eastern Young Athletes League | 10 Jul 22 |
| SP2.72K | 4.49 | | | | 2 | ns | | | Grays | Eastern Young Athletes League | 1 May 22 |
| 2KXCL | 7:47 | | | | 4 | L3 | | | Mansfield | ECCA Saucony English National Relay Championships | 5 Nov 22 |
| 2.6K | 9:16 | | | | 12 | | 14 | 14 | London | TCS Mini London Marathon | 1 Oct 22 |
| 2.6KL | 9:27 | | | | 3 | L3 | 3 | 1 | Colchester | Essex County Relay Championships | 10 Apr 22 |
| 3KL | 10:48 | | | | 3 | C | 3 | | Rushmoor | Aldershot Road Relays | 24 Sep 22 |
| 3KXC | 11:09 | | | | 12 | | 2 | | Writtle | Essex League | 19 Feb 22 |
| 3KXC | 11:22 | | | | 9 | | | | Horspath | South of England Masters' & Inter Counties Championships | 10 Dec 22 |
| 3KXC | 12:20 | | | | 2 | Y7 | | | Upminster | Essex Schools' Year 7 & 8 Championships | 23 Feb 22 |
| 3KXC | 12:21 | | | | 20 | | | | Beckenham | South of England AA Championships | 29 Jan 22 |
| 3KXC | 12:35 | | | | 11 | | 2 | | Writtle | Essex League | 26 Nov 22 |
| 3KXC | 12:40 | | | | 3 | Y7 | | | Writtle | South East Schools' Inter-Counties Years 7 & 8 Championships | 26 Mar 22 |
| 3KXC | 12:42 | | | | 11 | | 5 | | Hainault Forest | Essex League | 22 Jan 22 |
| 3KXC | 13:27 | | | | 32 | | | | Parliament Hill | ECCA Saucony English National Championships | 26 Feb 22 |
| 3.2KXC | 13:51 | | | | 78 | | | | Loughborough | CAU Inter County Championships (Inc British Athletics Cross Challenge) | 12 Mar 22 |
| 3.88KL | 14:10 | | | | 2 | L3 | | | Sutton Park | ERRA National Young Athlete Relays | 8 Oct 22 |
| parkrun | 19:49 | | | | 23 | | 1 | 1 | Chelmsford Central | Chelmsford Central parkrun # 456 | 24 Dec 22 |
| 2021 U13 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 100 | 14.67 | | -0.8 | | 6 | 4 | | | Chelmsford | Chelmsford Open | 21 Jul 21 |
| 200 | 29.56 | | -0.3 | | 4 | 3 | | | Chelmsford | Chelmsford Open | 21 Jul 21 |
| 200 | 31.0 | | | | 1 | ns1 | | | Grays | Eastern Young Athletes League | 4 Jul 21 |
| 800 | 2:26.9 | | | | 1 | B | | | Grays | Eastern Young Athletes League | 4 Jul 21 |
| 800 | 2:27.10 | | | | 6 | 4 | | | Watford | Watford Open Graded Meeting | 11 Aug 21 |
| 800 | 2:28.3 | | | | 5 | | | | Bury St. Edmunds | West Suffolk Steeplechase Festival | 15 May 21 |
| 800 | 2:28.49 | | | | 7 | 3 | | | Dagenham | Be Fit Today Track Academy Open Series | 30 Aug 21 |
| 800 | 2:29.12 | | | | 4 | | | | Chelmsford | Essex County Championships | 31 Jul 21 |
| 800 | 2:30.12 | | | | 4 | B1 | | | Chelmsford | Chelmsford Sport & Athletics Centre Track Night | 9 Jun 21 |
| 800 | 2:31.38 | | | | 4 | | | | Hornchurch | Havering AC Warm Up Meeting | 2 May 21 |
| 1500 | 5:10.9 | | | | 1 | B | | | Chelmsford | Eastern Young Athletes League | 15 Aug 21 |
| 1500 | 5:16.42 | | | | 6 | | | | Chelmsford | Essex County Championships | 1 Aug 21 |
| 1500 | 5:17.71 | | | | 6 | 1 | | | Dagenham | Be Fit Today Track Academy Open Series | 29 May 21 |
| Mile | 5:34.41 | | | | 6 | 5 | | | Chelmsford | MilesofMiles | 6 Aug 21 |
| 2KXCL | 7:35 | | | | 1 | L2 | | | Wormwood Scrubs | South of England AA Relay Championships | 23 Oct 21 |
| 2KXCL | 7:54 | | | | 7 | L2 | | | Mansfield | ECCA Saucony English National Relay Championships | 6 Nov 21 |
| 2.4KXC | 9:13 | | | | 2 | | | | Newquay | ESAA English Schools Cup Final | 4 Dec 21 |
| 3KXC | 11:54 | | | | 3 | | | | Great Notley Park | Essex League | 18 Dec 21 |
| 3KXC | 12:01 | | | | 1 | L2 | | 1 | Weald Country Park | Essex County Relay Championships | 2 Oct 21 |
| 3KXC | 12:49 | | | | 14 | | | | Croydon | South of England Masters' & Inter Counties Championships | 11 Dec 21 |
| parkrun | 22:52 | | | | 26 | | | | Brentwood | Brentwood parkrun # 262 | 18 Sep 21 |
| ZXC | NT | | | | 5 | | | | Hockley | Essex League | 25 Sep 21 |
| 2019 U11 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 25:12 | | | | 63 | | | 1 | Hockley Woods | Hockley Woods parkrun # 231 | 10 Aug 19 |
| parkrun | 26:06 | | | | 76 | | | 1 | Hockley Woods | Hockley Woods parkrun # 234 | 31 Aug 19 |
| parkrun | 26:09 | | | | 70 | | | 1 | Hockley Woods | Hockley Woods parkrun # 233 | 24 Aug 19 |
| parkrun | 26:15 | | | | 69 | | | 1 | Hockley Woods | Hockley Woods parkrun # 230 | 3 Aug 19 |
| parkrun | 26:17 | | | | 59 | | | 1 | Hockley Woods | Hockley Woods parkrun # 241 | 19 Oct 19 |
| parkrun | 27:10 | | | | 56 | | | 1 | Hockley Woods | Hockley Woods parkrun # 248 | 7 Dec 19 |
| parkrun | 28:10 | | | | 70 | | | 1 | Hockley Woods | Hockley Woods parkrun # 251 | 28 Dec 19 |
| parkrun | 28:46 | | | | 93 | | | 1 | Hockley Woods | Hockley Woods parkrun # 229 | 27 Jul 19 |
| parkrun | 29:21 | | | | 129 | | | 1 | Hockley Woods | Hockley Woods parkrun # 227 | 6 Jul 19 |
| parkrun | 31:17 | | | | 153 | | | 1 | Hockley Woods | Hockley Woods parkrun # 222 | 1 Jun 19 |
| 2018 U11 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 29:32 | | | | 109 | | | 1 | Hockley Woods | Hockley Woods parkrun # 198 | 22 Dec 18 |
| parkrun | 31:47 | | | | 134 | | | 1 | Hockley Woods | Hockley Woods parkrun # 179 | 11 Aug 18 |
| 2017 U11 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 32:14 | | | | 158 | | | | Hockley Woods | Hockley Woods parkrun # 148 | 23 Dec 17 |