| 2025 U15 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:08.89 | | | | 3 | 2 | | | Chelmsford | Essex County Championships | 11 May 25 |
| 800 | 2:08.95 | i | | | 1 | 2 | | | Lee Valley | Essex and Eastern Indoor Championships | 2 Mar 25 |
| 800 | 2:14.32 | | | | 7 | 3 | | | Lee Valley | Be Fit Today Track Academy Outdoor Series 1 | 21 Apr 25 |
| 800 | 2:14.9 | | | | 3 | A | | | Luton | Eastern Young Athletes league | 27 Jul 25 |
| 1500 | 4:15.09 | | | | 3 | 3 | | | Watford | Watford Harriers Open Graded Meetings | 25 Jun 25 |
| 1500 | 4:17.71 | | | | 7 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 28 May 25 |
| 1500 | 4:18.86 | | | | 1 | | | | Birmingham | ISA National Athletics Finals | 16 Jun 25 |
| 1500 | 4:20.20 | | | | 2 | 1 | | | Chelmsford | Essex County Schools Championships | 14 Jun 25 |
| 1500 | 4:21.18 | | | | 3 | h1 | | | Crystal Palace | SEAA Outdoor U13/U15/U17 Championships | 7 Jun 25 |
| 1500 | 4:22.13 | | | | 4 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 30 Apr 25 |
| 1500 | 4:23.07 | | | | 5 | | | | Horspath | SEAA U15/U17 Inter Counties Championships | 14 Sep 25 |
| 1500 | 4:24.23 | i | | | 6 | 7 | | | Lee Valley | Lee Valley Middle Distance Open | 19 Feb 25 |
| 1500 | 4:25.6 | | | | 1 | A | | | Watford | Eastern Young Athletes league | 18 May 25 |
| 1500 | 4:25.71 | | | | 1 | | | | Chelmsford | Essex County Championships | 10 May 25 |
| 1500 | 4:28.65 | + | | | 107 | | | | Oxford | BMC Bannister Miles | 5 May 25 |
| 1500 | 4:29.02 | | | | 12 | | | | Crystal Palace | SEAA Outdoor U13/U15/U17 Championships | 8 Jun 25 |
| 1500 | 4:30.13 | | | | 10 | | | | Birmingham | England Athletics Age Group Championships (Inc Para) and U15 & U17 Combined Events | 8 Aug 25 |
| 1500 | 4:36.70 | | | | 2 | | | | Chelmsford | Eastern Young Athletes Top 6 Final | 7 Sep 25 |
| Mile | 4:40.61 | | | | 1 | | | | Chelmsford | MilesofMiles | 21 Jun 25 |
| Mile | 4:45.20 | i | | | 4 | D | | | Lee Valley | Ayo Falola Dream Mile Meeting & Long Jump Competition | 12 Feb 25 |
| Mile | 4:46.93 | | | | 8 | L | | | Oxford | BMC Bannister Miles | 5 May 25 |
| 3000 | 9:32.10 | | | | 14 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 9 Jul 25 |
| 3000 | 9:36.38 | | | | 5 | | | | Chelmsford | SEAA Outdoor U20/Senior Championships | 29 Jun 25 |
| 2.6K | 8:49 | | | | 120 | | | | London | TCS Mini London Marathon | 26 Apr 25 |
| 2.85KXC | 9:45 | | | | 208 | | | | Ardingly | ESAA English Schools Championships | 15 Mar 25 |
| 3KL | 9:55 | | | | 10 | L02 | | 10 | Aldershot | Southern Young Athletes Relays | 20 Sep 25 |
| 3KL | 10:08 | | | | 5 | L03 | | | Hylands Park | Essex County Relay Championships | 11 Oct 25 |
| 3KXC | 10:56 | | | | 25 | | | | Newbury Showground | South East Schools' Inter Counties | 1 Feb 25 |
| 3.88KL | 13:10 | | | | 13 | L02 | | | Sutton Park | ERRA National Young Athlete Relays | 4 Oct 25 |
| 4KXC | 17:02 | | | | 107 | | | | Parliament Hill | ECCA Saucony English National Championships | 22 Feb 25 |
| 4.5KXC | 16:08 | | | | 97 | | | | Beckenham Place | South of England Championships | 25 Jan 25 |
| 2024 U15 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:09.07 | | | | 11 | | | | Parliament Hill | Highgate Harriers Night of the 10000m PBs (inc. British Championships & Olympic Trials) | 18 May 24 |
| 800 | 2:10.38 | | | | 5 | | | | Chelmsford | Essex County Championships | 12 May 24 |
| 800 | 2:14.2 | | | | 2 | A | | | Chelmsford | Eastern Young Athletes League | 5 May 24 |
| 1500 | 4:22.54 | | | | 3 | 2 | | | Watford | Watford Harriers Open Graded Meetings | 29 May 24 |
| 1500 | 4:26.12 | | | | 3 | | | | Hendon | Eastern Young Athletes League - Top 6 Final | 8 Sep 24 |
| 1500 | 4:27.0 | | | | 2 | A | | | Bury St. Edmunds | Eastern Young Athletes League | 2 Jun 24 |
| 1500 | 4:28.61 | | | | 3 | | | | Chelmsford | Essex County Championships | 11 May 24 |
| 1500 | 4:29.87 | | | | 6 | 1 | | | Watford | Watford Harriers Open Graded Meetings | 1 May 24 |
| 1500 | 4:34.3 | | | | 2 | 3 | | | Norwich | Athletics Norfolk Open | 28 Aug 24 |
| 1500 | 4:34.8 | | | | 2 | A | | | Grays | Eastern Young Athletes League - NO HAMMER | 14 Apr 24 |
| 1500 | 4:35.4 | | | | 2 | | | | Brentwood | Brentwood Beagles Club Championships & Open | 1 Sep 24 |
| 1500 | 4:42.76 | | | | 7 | | | | Chelmsford | Essex County Schools Championships | 8 Jun 24 |
| 2.6K | 8:46 | | | | 17 | | | | London | TCS Mini London Marathon | 20 Apr 24 |
| 3KL | 10:13 | | | | 18 | L2 | | | Aldershot | Southern Young Athletes Relays | 21 Sep 24 |
| 3KXC | 10:02 | | | | 6 | | | | Beckenham Place | South of England Championships | 27 Jan 24 |
| 3KXC | 10:46 | | | | 8 | | | | Wollaton Park | CAU Inter County Championships (inc British Athletics Cross Challenge) | 9 Mar 24 |
| 3KXC | 11:29 | | | | 26 | | | | Weston Park, Shropshire | ECCA Saucony English National Cross Country Championships | 14 Sep 24 |
| 3KXCL | 10:53 | | | | 9 | L1 | | 3 | Weald Country Park | Essex County Relay Championships | 12 Oct 24 |
| 3.1KXC | 11:57 | | | | 1 | | | | Basildon | Essex County Championships | 6 Jan 24 |
| 3.18KXC | 11:02 | | | | 82 | | | | Pontefract | ESAA English Schools Championships | 16 Mar 24 |
| 3.18KXC | 11:15 | | | | 2 | | | | Worksop College | National ISA Championships | 2 Mar 24 |
| 3.3KXC | 11:41 | | | | 2 | | | | Hainault Forest | Essex League | 10 Feb 24 |
| 3.5KXC | 13:12 | | | | 1 | Y8 | | | Writtle University College | Essex Schools' Year 7 & 8 Championships | 27 Feb 24 |
| 4.3KXC | 15:05 | | | | 7 | | | | Hilly Fields | Essex League | 16 Nov 24 |
| parkrun | 17:10 | | | | 5 | | | 1 | Raphael | Raphael parkrun # 414 | 28 Sep 24 |
| parkrun | 17:53 | | | | 3 | | | 1 | Raphael | Raphael parkrun # 427 | 28 Dec 24 |
| parkrun | 18:08 | | | | 3 | | | 1 | Chelmsford Central | Chelmsford Central parkrun # 521 | 30 Mar 24 |
| ZXC | NT | | | | 4 | | | | Benfleet | Essex County Schools' Championships | 20 Jan 24 |
| 2023 U13 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 800 | 2:17.65 | | | | 1 | 1.6 | | | Watford | Watford Harriers Open Graded Meetings | 9 Aug 23 |
| 800 | 2:19.67 | | | | 2 | | | | Lee Valley | South of England U13/U15/17 & U20/Senior Walks Championships | 13 Aug 23 |
| 800 | 2:20.44 | | | | 1 | A | | | Chelmsford | Eastern Young Athletes League Cup Final | 10 Sep 23 |
| 800 | 2:21.2 | | | | 1 | A | | | Chelmsford | Eastern Young Athletes League | 2 Jul 23 |
| 800 | 2:21.50 | | | | 1 | h3 | | | Lee Valley | South of England U13/U15/17 & U20/Senior Walks Championships | 12 Aug 23 |
| 800 | 2:24.14 | | | | 1 | 1 | | | Grays | Essex County Championships | 13 May 23 |
| 1500 | 4:35.97 | | | | 4 | 5 | | | Watford | Watford Harriers Open Graded Meetings | 23 Aug 23 |
| 1500 | 4:44.0 | | | | 1 | | | | Bedford | East Area Prep Schools Championships | 9 Jun 23 |
| 1500 | 4:44.5 | | | | 1 | A | | | Basildon | Eastern Young Athletes League | 6 Aug 23 |
| 1500 | 4:44.89 | | | | 3 | 1 | | | Walton | Derek Crookes Under-13 Inter-County Track & Field | 29 Jul 23 |
| 1500 | 4:44.98 | | | | 1 | 1 | | | Chelmsford | Essex Schools Year 7 Championship | 28 Jun 23 |
| 1500 | 4:45.45 | | | | 1 | 2 | | | Nuneaton | National Preparatory Schools Athletics Championships | 3 Jul 23 |
| 1500 | 4:47.2 | | | | 1 | A | | | Chelmsford | Eastern Young Athletes League | 16 Jul 23 |
| 1500 | 4:47.91 | | | | 1 | 1 | | | Grays | Essex County Championships | 14 May 23 |
| 1500 | 4:47.92 | | | | 1 | | | | Birmingham | ISA Nationals Athletics Finals | 19 Jun 23 |
| 1500 | 4:51.4 | | | | 1 | A | | | Stevenage | Eastern Young Athletes League | 21 May 23 |
| 1500 | 5:03.2 | | | | 2 | A | | | Ware | Eastern Young Athletes League | 23 Apr 23 |
| Mile | 5:09.59 | | | | 1 | | | | Chelmsford | MilesofMiles | 24 Jun 23 |
| 2.7KXC | 11:12 | | | | 3 | Y7M | | | Worksop | National ISA Championships | 4 Mar 23 |
| 3KL | 9:58 | | | | 1 | L01 | | | Aldershot | Southern Young Athletes Relays | 23 Sep 23 |
| 3KXC | 10:24 | | | | 1 | | | 1 | Hilly Fields | Essex League | 16 Dec 23 |
| 3KXC | 11:29 | | | | 35 | Y7 | | | Tonbridge | South East Schools' Inter-Counties Years 7 & 8 Championships | 25 Mar 23 |
| 3KXC | 11:32 | | | | 93 | | | | Beckenham Place | South of England Championships | 28 Jan 23 |
| 3KXC | 11:39 | | | | 1 | | | 1 | One Tree Hill | Essex League | 14 Oct 23 |
| 3KXC | 12:17 | | | | 11 | Y7 | | | Writtle | Essex Schools' Year 7 & 8 Championships | 8 Feb 23 |
| 3KXC | 13:18 | | | | 17 | | | | Basildon | Essex County Championships | 7 Jan 23 |
| 3.3KXC | NT | | | | 14 | | | | Writtle | Essex League | 4 Nov 23 |
| 3.88KL | 13:36 | | | | 1 | L02 | | | Sutton Park | ERRA National Young Athlete Relays | 7 Oct 23 |
| 2022 U13 Chelmsford |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 3KXC | 13:19 | | | | 26 | | | 18 | Writtle | Essex League | 26 Nov 22 |