| 2025 U15 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 300 | 43.79 | | | | 1 | A | | | Chelmsford | Eastern Young Athletes league | 15 Jun 25 |
| 300 | 44.11 | | | | 2 | 2 | | | Chelmsford | Eastern Young Athletes Top 6 Final | 7 Sep 25 |
| 300 | 44.3 | | | | 2 | A | | | Watford | Eastern Young Athletes league | 18 May 25 |
| 800 | 2:14.44 | | | | 1 | 1 | | | Chelmsford | Essex County Schools Championships | 14 Jun 25 |
| 800 | 2:15.25 | | | | 1 | | | | Birmingham | ISA National Athletics Finals | 16 Jun 25 |
| 800 | 2:16.61 | | | | 1 | | | | Chelmsford | Essex County Championships | 11 May 25 |
| 800 | 2:17.3 | | | | 2 | A | | | Watford | Eastern Young Athletes league | 18 May 25 |
| 800 | 2:18.63 | | | | 4 | 9 | | | Watford | Watford Harriers Open Graded Meetings | 16 Apr 25 |
| 800 | 2:21.67 | i | | | 2 | | | | Lee Valley | Ayo Falola Dream Mile Meeting & Long Jump Competition | 12 Feb 25 |
| 800 | 2:21.88 | | | | 1 | 1 | | | Chelmsford | Eastern Young Athletes Top 6 Final | 7 Sep 25 |
| 1500 | 4:34.43 | | | | 6 | | | | Birmingham | ESAA English Schools Championships | 12 Jul 25 |
| 1500 | 4:34.72 | | | | 7 | 9 | | | Watford | Watford Harriers Open Graded Meetings | 28 May 25 |
| 1500 | 4:36.02 | | | | 3 | h3 | | | Birmingham | ESAA English Schools Championships | 11 Jul 25 |
| 1500 | 4:37.71 | | | | 13 | 1 | | | Watford | Watford Harriers Open Graded Meetings | 30 Apr 25 |
| 1500 | 4:38.95 | | | | 1 | | | | Horspath | SEAA U15/U17 Inter Counties Championships | 14 Sep 25 |
| 1500 | 4:40.75 | + | | | 146 | | | | Oxford | BMC Bannister Miles | 5 May 25 |
| 1500 | 4:45.01 | | | | 1 | h2 | | | Crystal Palace | SEAA Outdoor U13/U15/U17 Championships | 7 Jun 25 |
| 1500 | 4:45.31 | | | | 1 | | | | Chelmsford | Essex County Championships | 10 May 25 |
| 1500 | 4:46.24 | | | | 2 | | | | Crystal Palace | SEAA Outdoor U13/U15/U17 Championships | 8 Jun 25 |
| Mile | 5:01.70 | | | | 3 | F | | | Oxford | BMC Bannister Miles | 5 May 25 |
| 3000 | 10:23.88 | | | | 24 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 20 Aug 25 |
| 2.85KXC | 10:08 | | | | 54 | | | | Ardingly | ESAA English Schools Championships | 15 Mar 25 |
| 3KL | 10:31 | | | | 1 | L02 | | 1 | Aldershot | Southern Young Athletes Relays | 20 Sep 25 |
| 3KL | 10:56 | | | | 4 | L03 | | | Hylands Park | Essex County Relay Championships | 11 Oct 25 |
| 3.18KXC | 11:43 | | | | 16 | | | | Leeds | ESAA English Schools Cup Final | 1 Mar 25 |
| 3.2KXC | 11:00 | | | | 1 | | | | Mallory Park | National ISA Championships | 9 Mar 25 |
| 3.88KL | 14:06 | | | | 2 | L02 | | | Sutton Park | ERRA National Young Athlete Relays | 4 Oct 25 |
| 4KXC | 18:53 | | | | 30 | | | | Parliament Hill | ECCA Saucony English National Championships | 22 Feb 25 |
| 4.3KXC | 16:49 | | | | 4 | | | | Basildon | Essex County Championships | 4 Jan 25 |
| 4.5KXC | 17:05 | | | | 22 | | | | Beckenham Place | South of England Championships | 25 Jan 25 |
| parkrun | 18:11 | | | | 8 | | 2 | 1 | Raphael | Raphael parkrun # 450 | 19 Jul 25 |
| parkrun | 18:20 | | | | 6 | | 1 | 1 | Raphael | Raphael parkrun # 439 | 26 Apr 25 |
| parkrun | 18:27 | | | | 15 | | 1 | 1 | Chelmsford Central | Chelmsford Central parkrun # 594 | 16 Aug 25 |
| 2024 U15 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 300 | 44.1 | | | | 1 | B | | | Chelmsford | Eastern Young Athletes League | 5 May 24 |
| 300 | 44.6 | | | | 2 | A | | | Bury St. Edmunds | Eastern Young Athletes League | 2 Jun 24 |
| 300 | 46.5 | | | | 2 | B | | | Grays | Eastern Young Athletes League - NO HAMMER | 14 Apr 24 |
| 800 | 2:18.35 | | | | 1 | | | | Birmingham | National Preparatory Schools Athletics | 3 Jul 24 |
| 800 | 2:20.34 | | | | 2 | 2 | | | Chelmsford | Essex County Championships | 12 May 24 |
| 800 | 2:20.8 | | | | 1 | B | | | Chelmsford | Eastern Young Athletes League | 5 May 24 |
| 800 | 2:20.9 | | | | 1 | A | | | Bury St. Edmunds | Eastern Young Athletes League | 2 Jun 24 |
| 800 | 2:22.2 | | | | 1 | B | | | Grays | Eastern Young Athletes League - NO HAMMER | 14 Apr 24 |
| 1500 | 4:39.6 | | | | 1 | B | | | Chelmsford | Eastern Young Athletes League | 21 Jul 24 |
| 1500 | 4:44.40 | | | | 1 | 6 | | | Watford | Watford Harriers Open Graded Meetings | 1 May 24 |
| 1500 | 4:45.71 | | | | 3 | | | | Chelmsford | Essex County Championships | 11 May 24 |
| 1500 | 4:47.65 | | | | 4 | A | | | Chelmsford | MilesofMiles | 29 Jun 24 |
| 1500 | 4:48.34 | | | | 1 | 2 | | | Chelmsford | Essex County Schools Championships | 8 Jun 24 |
| 1500 | 4:49.81 | | | | 1 | | | | Hendon | Eastern Young Athletes League - Top 6 Final | 8 Sep 24 |
| 1500 | 4:54.52 | | | | 1 | | | | Birmingham | ISA National Athletics Finals | 17 Jun 24 |
| 1500 | 4:56.62 | | | | 12 | 6 | | | Watford | Watford Harriers Open Graded Meetings | 3 Apr 24 |
| Mile | 5:05.12 | | | | 4 | A | | | Chelmsford | MilesofMiles | 29 Jun 24 |
| 3000 | 10:05.95 | | | | 8 | 1 | | | Watford | Watford Harriers Open Graded Meetings | 26 Jun 24 |
| 3000 | 10:18.06 | | | | 9 | | | | 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 | 7:21 | | | | 1 | L1 | | | Wormwood Scrubs | South of England AA Relay Championships | 19 Oct 24 |
| 2KXCL | 7:38 | | | | 3 | L2 | | | Mansfield | ECCA National Cross Country Relays | 2 Nov 24 |
| 1.6ML | 9:01 | | | | 1 | L2 | | 1 | Colchester | Essex & Suffolk County Relay Championships | 7 Apr 24 |
| 2.6K | 9:15 | | | | 10 | | | | London | TCS Mini London Marathon | 20 Apr 24 |
| 3KL | 10:26 | | | | 2 | L2 | | | Aldershot | Southern Young Athletes Relays | 21 Sep 24 |
| 3KXC | 10:26 | | | | 4 | | | | Beckenham Place | South of England Championships | 27 Jan 24 |
| 3KXC | 11:00 | | | | 6 | | | | Abbotstown, IRL | SIAB Schools International | 23 Mar 24 |
| 3KXC | 11:28 | | | | 6 | | | | Wollaton Park | CAU Inter County Championships (inc British Athletics Cross Challenge) | 9 Mar 24 |
| 3KXC | 12:09 | | | | 11 | | | | Weston Park, Shropshire | ECCA Saucony English National Cross Country Championships | 14 Sep 24 |
| 3KXCL | 11:27 | | | | 5 | L3 | | 2 | Weald Country Park | Essex County Relay Championships | 12 Oct 24 |
| 3.1KXC | 12:34 | | | | 2 | | | | Basildon | Essex County Championships | 6 Jan 24 |
| 3.18KXC | 11:07 | | | | 6 | | | | Pontefract | ESAA English Schools Championships | 16 Mar 24 |
| 3.18KXC | 11:47 | | | | 1 | | | | Worksop College | National ISA Championships | 2 Mar 24 |
| 3.5KXC | 11:50 | | | | 2 | Y8 | | | Writtle University College | Essex Schools' Year 7 & 8 Championships | 27 Feb 24 |
| 3.88KL | 13:30 | | | | 5 | L1 | | | Sutton Park | ERRA National Young Athlete Relays | 5 Oct 24 |
| parkrun | 18:32 | | | | 6 | | 1 | 1 | Maldon Prom | Maldon Prom parkrun # 524 | 28 Dec 24 |
| parkrun | 18:39 | | | | 3 | | 1 | 1 | Maldon Prom | Maldon Prom parkrun # 518 | 23 Nov 24 |
| parkrun | 18:48 | | | | 6 | | 1 | 1 | Raphael | Raphael parkrun # 382 | 17 Feb 24 |
| parkrun | 20:19 | | | | 2 | | 1 | 1 | Brentwood | Brentwood parkrun # 422 | 14 Dec 24 |
| ZXC | NT | | | | 3 | | | | Benfleet | Essex County Schools' Championships | 20 Jan 24 |
| 2023 U13 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 100 | 14.6 | | | | 4 | ns | | | Basildon | Eastern Young Athletes League | 6 Aug 23 |
| 200 | 29.4 | | | | 2 | A | | | Chelmsford | Eastern Young Athletes League | 2 Jul 23 |
| 200 | 29.71 | | 1.7 | | 4 | A | | | Stevenage | Eastern Young Athletes League | 21 May 23 |
| 200 | 30.7 | | | | 2 | A | | | Ware | Eastern Young Athletes League | 23 Apr 23 |
| 800 | 2:25.17 | | | | 5 | | | | Lee Valley | South of England U13/U15/17 & U20/Senior Walks Championships | 13 Aug 23 |
| 800 | 2:27.0 | | | | 1 | | | | Bedford | East Area Prep Schools Championships | 9 Jun 23 |
| 800 | 2:27.26 | | | | 1 | 1 | | | Chelmsford | Essex Schools Year 7 Championship | 28 Jun 23 |
| 800 | 2:28.1 | | | | 1 | A | | | Chelmsford | Eastern Young Athletes League | 2 Jul 23 |
| 800 | 2:28.47 | | | | 1 | 1 | | | Grays | Essex County Championships | 13 May 23 |
| 800 | 2:30.00 | | | | 1 | A | | | Stevenage | Eastern Young Athletes League | 21 May 23 |
| 800 | 2:30.47 | | | | 3 | 2 | | | Nuneaton | National Preparatory Schools Athletics Championships | 3 Jul 23 |
| 800 | 2:30.62 | | | | 1 | h2 | | | Lee Valley | South of England U13/U15/17 & U20/Senior Walks Championships | 12 Aug 23 |
| 800 | 2:32.1 | | | | 1 | A | | | Ware | Eastern Young Athletes League | 23 Apr 23 |
| 800 | 2:32.22 | | | | 1 | A | | | Chelmsford | Eastern Young Athletes League Cup Final | 10 Sep 23 |
| 800 | 2:35.20 | | | | 6 | 1 | | | Walton | Derek Crookes Under-13 Inter-County Track & Field | 29 Jul 23 |
| 1500 | 4:52.84 | | | | 4 | 3 | | | Watford | Watford Harriers Open Graded Meetings | 23 Aug 23 |
| 1500 | 4:55.82 | | | | 3 | | | | Grays | Essex County Championships | 14 May 23 |
| 1500 | 4:57.93 | | | | 5 | 5 | | | Watford | Watford Harriers Open Graded Meetings | 3 May 23 |
| 1500 | 4:58.6 | | | | 1 | A | | | Basildon | Eastern Young Athletes League | 6 Aug 23 |
| 1500 | 4:58.85 | | | | 1 | | | | Birmingham | ISA Nationals Athletics Finals | 19 Jun 23 |
| Mile | 5:20.52 | | | | 1 | | | | Chelmsford | MilesofMiles | 24 Jun 23 |
| JT400 | 15.76 | | | | 1 | B | | | Stevenage | Eastern Young Athletes League | 21 May 23 |
| JT400 | 15.33 | | | | 1 | B | | | Chelmsford | Eastern Young Athletes League | 2 Jul 23 |
| JT400 | 14.75 | | | | 1 | B | | | Ware | Eastern Young Athletes League | 23 Apr 23 |
| 2KXCL | 7:19 | | | | 2 | L02 | | | Wormwood Scrubs | South of England AA Relay Championships | 21 Oct 23 |
| 2KXCL | 7:47 | | | | 1 | L02 | | | Mansfield | ECCA National Cross Country Relays | 4 Nov 23 |
| 2.3KXC | 8:54 | | | | 4 | | | | Woodbridge | ESAA English Schools Cup Final | 2 Dec 23 |
| 1.6ML | 9:13 | | | | 1 | L2 | | 1 | Colchester | Essex & Suffolk County Relay Championships | 16 Apr 23 |
| 2.7KXC | 11:01 | | | | 1 | Y7W | | | Worksop | National ISA Championships | 4 Mar 23 |
| 3KL | 10:58 | | | | 1 | L02 | | | Aldershot | Southern Young Athletes Relays | 23 Sep 23 |
| 3KXC | 11:00 | | | | 15 | | | | Beckenham Place | South of England Championships | 28 Jan 23 |
| 3KXC | 11:23 | | | | 3 | Y7 | | | Tonbridge | South East Schools' Inter-Counties Years 7 & 8 Championships | 25 Mar 23 |
| 3KXC | 11:46 | | | | 24 | | | | Bolesworth Castle | ECCA Saucony English National Cross Country Championships | 25 Feb 23 |
| 3KXC | 12:14 | | | | 2 | Y7 | | | Writtle | Essex Schools' Year 7 & 8 Championships | 8 Feb 23 |
| 3KXC | 12:48 | | | | 3 | | | | Basildon | Essex County Championships | 7 Jan 23 |
| 3KXC | 13:36 | | | | 14 | | | | Loughborough | CAU Inter County Championships (inc British Athletics Cross Challenge) | 11 Mar 23 |
| 3.88KL | 14:28 | | | | 2 | L02 | | | Sutton Park | ERRA National Young Athlete Relays | 7 Oct 23 |
| parkrun | 19:38 | | | | 27 | | 3 | | Chelmsford Central | Chelmsford Central parkrun # 507 | 23 Dec 23 |
| 2022 U13 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 100 | 15.12 | | -1.1 | | 1 | ns 1 | | | Hornchurch | Eastern Young Athletes League | 10 Jul 22 |
| 200 | 31.2 | | | | 4 | A | | | Chelmsford | Eastern Young Athletes League | 5 Jun 22 |
| 200 | 31.9 | | | | 1 | ns1 | | | Grays | Eastern Young Athletes League | 1 May 22 |
| 800 | 2:33.16 | | | | 4 | 3 | | | Chelmsford | Chelmsford Open Meeting | 29 Jun 22 |
| 800 | 2:33.19 | | | | 5 | | | | Chelmsford | Essex County Championships | 14 May 22 |
| 800 | 2:33.8 | | | | 1 | B | | | Chelmsford | Eastern Young Athletes League | 5 Jun 22 |
| 800 | 2:34.8 | | | | 5 | 2 | | | Chelmsford | South of England U13/15/17 Championships | 13 Aug 22 |
| 800 | 2:35.0 | | | | 1 | ns | | | Grays | Eastern Young Athletes League | 1 May 22 |
| 1500 | 5:02.92 | | | | 5 | | | | Chelmsford | Essex County Championships | 15 May 22 |
| 1500 | 5:05.87 | | | | 9 | 3 | | | Watford | Watford Open Graded Meeting | 4 May 22 |
| 1500 | 5:08.14 | | | | 7 | 3 | | | Watford | Watford Open Graded Meeting | 27 Jul 22 |
| 1500 | 5:10.92 | | | | 1 | A | | | Hornchurch | Eastern Young Athletes League | 10 Jul 22 |
| 1500 | 5:15.83 | | | | 1 | B | | | Chelmsford | Eastern Young Athletes League Final | 11 Sep 22 |
| JT400 | 13.01 | | | | 1 | B | | | Chelmsford | Eastern Young Athletes League | 5 Jun 22 |
| JT400 | 11.60 | | | | 2 | B | | | Hornchurch | Eastern Young Athletes League | 10 Jul 22 |
| JT400 | 7.87 | | | | 2 | ns | | | Grays | Eastern Young Athletes League | 1 May 22 |
| 2KXCL | 7:49 | | | | 3 | L2 | | | Mansfield | ECCA Saucony English National Relay Championships | 5 Nov 22 |
| 2.37KXC | 8:40 | | | | 7 | | | | Leeds | ESAA English Schools Cup Final | 3 Dec 22 |
| 2.6KL | 9:52 | | | | 8 | L1 | 8 | 2 | Colchester | Essex County Relay Championships | 10 Apr 22 |
| 3KL | 11:10 | | | | 2 | B | 2 | | Rushmoor | Aldershot Road Relays | 24 Sep 22 |
| 3KXC | 11:31 | | | | 14 | | | | Horspath | South of England Masters' & Inter Counties Championships | 10 Dec 22 |
| 3KXC | 12:31 | | | | 31 | | | | Beckenham | South of England AA Championships | 29 Jan 22 |
| 3KXC | 13:52 | | | | 65 | | | | Parliament Hill | ECCA Saucony English National Championships | 26 Feb 22 |
| 3.88KL | 14:36 | | | | 2 | L2 | | | Sutton Park | ERRA National Young Athlete Relays | 8 Oct 22 |
| parkrun | 19:53 | | | | 24 | | 2 | | Chelmsford Central | Chelmsford Central parkrun # 456 | 24 Dec 22 |
| parkrun | 20:02 | | | | 33 | | 3 | 1 | Chelmsford Central | Chelmsford Central parkrun # 426 | 21 May 22 |
| parkrun | 20:18 | | | | 14 | | 1 | 1 | Chelmsford Central | Chelmsford Central parkrun # 415 | 5 Mar 22 |
| parkrun | 20:45 | | | | 16 | | 1 | 1 | Raphael | Raphael parkrun # 274 | 8 Jan 22 |
| 2021 U11 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 600 | 1:56.75 | | | | 2 | 1 | | | Dagenham | Be Fit Today Track Academy Open Series | 25 Apr 21 |
| Mile | 5:44.92 | | | | 1 | 1 | | | Chelmsford | MilesofMiles | 6 Aug 21 |
| 2KXCL | 7:58 | | | | 10 | L2 | | | Mansfield | ECCA Saucony English National Relay Championships | 6 Nov 21 |
| 3KXC | 12:22 | | | | 7 | | | | Great Notley Park | Essex League | 18 Dec 21 |
| 3KXC | 13:10 | | | | 6 | | | | Writtle College | Essex County U13 / U15 / Veterans' Championships | 4 Dec 21 |
| parkrun | 21:10 | | | | 45 | | | 1 | Chelmsford Central | Chelmsford Central parkrun # 389 | 4 Sep 21 |
| parkrun | 22:49 | | | | 24 | | | | Brentwood | Brentwood parkrun # 262 | 18 Sep 21 |
| ZXC | NT | | | | 7 | | | | Hockley | Essex League | 25 Sep 21 |
| 2020 U11 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 600 | 2:01.82 | | | | 8 | 2 | | | Dagenham | Be Fit Today Track Academy Open | 3 Oct 20 |
| 600 | 2:03.1 | | | | 6 | 2 | | | Norwich | Norfolk Night of 800m | 18 Sep 20 |
| 2.5KL | 10:37 | | | | 34 | L2 | 16 | 3 | Colchester | Colchester Harriers Junior Relays | 15 Mar 20 |
| 2019 U11 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 150 | 25.89 | w | 2.1 | | 1 | 2 | | | Southend | Southend-on-Sea Open & Club Championships | 26 Aug 19 |
| 600 | 2:06.22 | | | | 4 | | | | Southend | Southend-on-Sea Open & Club Championships | 26 Aug 19 |
| Mile | 6:19.1 | | | | 3 | 1 | | | Chelmsford | Mile Races | 17 Nov 19 |
| parkrun | 22:52 | | | | 45 | | | 1 | Maldon Prom | Maldon Prom parkrun # 311 | 13 Jul 19 |
| parkrun | 23:05 | | | | 47 | | 3 | 1 | Raphael | Raphael parkrun # 195 | 16 Feb 19 |
| parkrun | 23:18 | | | | 45 | | 2 | 1 | Raphael | Raphael parkrun # 203 | 13 Apr 19 |
| parkrun | 23:35 | | | | 128 | | | 1 | Chelmsford Central | Chelmsford Central parkrun # 329 | 9 Mar 19 |
| parkrun | 23:49 | | | | 164 | | | 1 | Chelmsford Central | Chelmsford Central parkrun # 320 | 5 Jan 19 |
| parkrun | 23:52 | | | | 47 | | | 1 | Brentwood | Brentwood parkrun # 231 | 24 Aug 19 |
| parkrun | 25:09 | | | | 30 | | | 1 | Brentwood | Brentwood parkrun # 206 | 19 Jan 19 |
| 2018 U11 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 23:26 | | | | 51 | | | 1 | Raphael | Raphael parkrun # 182 | 17 Nov 18 |
| parkrun | 25:48 | | | | 40 | | | 1 | Brentwood | Brentwood parkrun # 199 | 8 Dec 18 |
| parkrun | 26:12 | | | | 39 | | | | Brentwood | Brentwood parkrun # 179 | 7 Jul 18 |
| parkrun | 26:28 | | | | 59 | | | 1 | Brentwood | Brentwood parkrun # 186 | 25 Aug 18 |
| 2017 U11 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 25:47 | | | | 58 | | | | Brentwood | Brentwood parkrun # 144 | 14 Oct 17 |