| 2024 U15 St. Albans AC |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 52.0 | | | | 3 | | | | Watford | Eastern Young Athletes League | 5 May 24 |
| 4x100 | 54.0 | | | | 5 | | | | Chelmsford | Eastern Young Athletes League | 21 Jul 24 |
| 2023 U15 St. Albans AC |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 50.21 | | | | 4 | | | | Stevenage | Eastern Young Athletes League Plate Final | 10 Sep 23 |
| 4x100 | 50.4 | | | | 3 | | | | St. Albans | Eastern Young Athletes League | 2 Jul 23 |
| 4x100 | 50.6 | | | | 2 | | | | St. Albans | Eastern Young Athletes League | 21 May 23 |
| 4x100 | 51.86 | | | | 3 | | | | Stevenage | Eastern Young Athletes League | 16 Jul 23 |
| 4x100 | 53.3 | | | | 3 | | | | Grays | Eastern Young Athletes League | 23 Apr 23 |
| 2022 U15 St. Albans AC |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.6 | | | | 1 | | | | Watford | Eastern Young Athletes League | 1 May 22 |
| 4x100 | 49.6 | | | | 2 | | | | St. Albans | Eastern Young Athletes League | 5 Jun 22 |
| 4x100 | 50.69 | | | | 2 | | | | Hendon | Eastern Young Athletes League | 10 Jul 22 |
| 2021 U15 St. Albans AC |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 51.7 | | | | 2 | | | | Hemel Hempstead | Eastern Young Athletes League | 4 Jul 21 |
| 4x100 | 52.36 | | | | 3 | | | | Hendon | Eastern Young Athletes League | 15 Aug 21 |
| 2019 U15 St. Albans AC |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 51.1 | | | | 1 | | | | Ware | Eastern Young Athletes' League | 7 Jul 19 |
| 4x100 | 53.2 | | | | 4 | | | | St. Albans | Eastern Young Athletes' League | 11 Aug 19 |
| 4x100 | 54.5 | | | | 5 | | | | Cambridge | Eastern Young Athletes' League | 2 Jun 19 |
| 4x100 | 56.9 | | | | 3 | | | | Peterborough | Eastern Young Athletes' League | 14 Apr 19 |
| 4x100 | 60.4 | | | | 4 | | | | St. Albans | Eastern Young Athletes' League | 4 May 19 |
| 2018 U15 St. Albans AC |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 56.7 | | | | 4 | | | | St Albans | Eastern Young Athletes' League | 6 May 18 |
| 4x100 | 58.3 | | | | 6 | | | | Basildon | Eastern Young Athletes' League | 3 Jun 18 |
| 2017 U15 St. Albans AC |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 51.30 | | | | 3 | | | | Woodford | Eastern Young Athletes' League | 2 Jul 17 |
| 4x100 | 53.7 | | | | 4 | | | | St. Albans | Eastern Young Athletes' League | 7 May 17 |
| 4x100 | 54.9 | | | | 5 | | | | Ware | Eastern Young Athletes' League | 30 Jul 17 |
| 2016 U15 St. Albans AC |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 52.4 | | | | 3 | | | | St. Albans | Eastern Young Athletes' League | 8 May 16 |
| 4x100 | 53.3 | | | | 4 | | | | Luton | Eastern Young Athletes' League | 3 Jul 16 |
| 4x100 | 54.1 | | | | 4 | | | | Southend | Eastern Young Athletes' League | 5 Jun 16 |
| 2015 U15 St. Albans AC |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.8 | | | | 2 | | | | Basildon | Eastern Young Athletes' League | 14 Jun 15 |
| 4x100 | 51.3 | | | | 1 | | | | Bedford | Eastern Young Athletes' League | 19 Apr 15 |
| 4x100 | 52.5 | | | | 4 | | | | Sandy | Eastern Young Athletes' League | 12 Jul 15 |
| 2014 U15 St. Albans AC |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.9 | | | | 1 | | | | Hemel Hempstead | Eastern Young Athletes' League | 15 Jun 14 |
| 4x100 | 49.3 | | | | 2 | | | | Basildon | Eastern Young Athletes' League | 13 Jul 14 |
| 4x100 | 49.6 | | | | 1 | | | | Peterborough | Eastern Young Athletes' League | 3 Aug 14 |
| 4x100 | 49.6 | | | | 3 | | | | Ipswich | Eastern Young Athletes' League Plate Final | 7 Sep 14 |
| 4x100 | 56.3 | | | | 3 | | | | St. Albans | Eastern Young Athletes' League | 13 Apr 14 |
| 4x100 | 57.54 | | | | 4 | | | | Peterborough | Eastern Young Athletes' League | 11 May 14 |
| 2013 U15 St. Albans AC |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 51.0 | | | | 2 | | | | Cambridge | Eastern Young Athletes' League Plate Final | 8 Sep 13 |
| 4x100 | 51.4 | | | | 2 | | | | St. Albans | Eastern Young Athletes' League | 7 Jul 13 |
| 4x100 | 51.6 | | | | 6 | | | | Mile End | UK Youth Development U13/U15 League Division Southern North 2 | 13 Jul 13 |
| 4x100 | 53.6 | | | | 4 | | | | Norwich | Eastern Young Athletes' League | 21 Jul 13 |
| 4x100 | 53.7 | | | | 4 | | | | Chelmsford | Eastern Young Athletes' League | 4 Aug 13 |
| 4x100 | 60.1 | | | | 5 | | | | Perivale | UK Youth Development U13/U15 League Division Southern North 2 | 4 May 13 |
| 4x300 | 3:03.7 | | | | 5 | | | | St. Albans | UK Youth Development U13/U15 League Division Southern North 2 | 22 Jun 13 |
| 4x300 | 3:06.1 | | | | 5 | | | | Mile End | UK Youth Development U13/U15 League Division Southern North 2 | 13 Jul 13 |
| 2011 U15 St. Albans AC |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 51.4 | | | | 3 | | | | Bedford | Eastern Young Athletes' League | 24 Jul 11 |
| 4x100 | 52.3 | | | | 3 | | | | Lee Valley | McCain Young Athletes League Southern Premier E Division Match 2 | 8 May 11 |
| 4x100 | 53.2 | | | | 6 | | | | Chelmsford | Eastern Young Athletes' League Top 6 Final | 11 Sep 11 |
| 4x100 | 53.6 | | | | 3 | | | | Gillingham | McCain Young Athletes League Southern Premier E Division | 22 May 11 |
| 4x100 | 53.6 | | | | 3 | | | | St Albans | McCain Young Athletes League Southern Premier E Division | 19 Jun 11 |
| 4x100 | 55.3 | | | | 2 | A | | | St. Albans | Eastern Young Athletes' League | 3 Jul 11 |
| 4x100 | 55.6 | | | | 3 | | | | Bury St Edmunds | Eastern Young Athletes' League | 12 Jun 11 |
| 4x100 | 56.5 | | | | 3 | | | | Hemel Hempstead | Eastern Young Athletes' League | 14 Aug 11 |
| 4x100 | 58.8 | | | | 4 | | | | Ipswich | Eastern Young Athletes' League | 1 May 11 |
| 4x400 | 3:59.7 | | | | 2 | | | | St Albans | McCain Young Athletes League Southern Premier E Division | 19 Jun 11 |
| 4x400 | 4:03.2 | | | | 1 | | | | Lee Valley | McCain Young Athletes League Southern Premier E Division Match 2 | 8 May 11 |
| 4x400 | 4:04.9 | | | | 2 | | | | Gillingham | McCain Young Athletes League Southern Premier E Division | 22 May 11 |
| 4x400 | 4:08.8 | | | | 1 | | | | Basildon | McCain Young Athletes League Southern Premier E Division | 5 Jun 11 |
| 2010 U15 St. Albans AC |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 50.7 | | | | 1 | | | | St. Albans | McCain UK Young Athletes League Southern 1 NE | 18 Jul 10 |
| 4x100 | 52.3 | | | | 2 | | | | Bedford | Eastern Young Athletes' League | 11 Jul 10 |
| 4x100 | 52.3 | | | | 6 | | | | Stevenage | Eastern Young Athletes' League Top 6 Trophy Final | 12 Sep 10 |
| 4x100 | 56.05 | | | | 3 | | | | Hendon | McCain UK Young Athletes League Southern 1 NE | 16 May 10 |
| 4x100 | 56.1 | | | | 3 | | | | Battersea Park | McCain UK Young Athletes League Southern 1 NE | 20 Jun 10 |
| 4x100 | 60.1 | | | | 2 | | | | Walthamstow | McCain UK Young Athletes League Southern 1 NE - Match A | 2 May 10 |
| 4x100 | 61.3 | | | | 3 | | | | Walthamstow | McCain UK Young Athletes League Southern 1 NE - Match A | 2 May 10 |
| 4x400 | 4:03.9 | | | | 1 | | | | St. Albans | McCain UK Young Athletes League Southern 1 NE | 18 Jul 10 |
| 4x400 | 4:29.7 | | | | 3 | | | | Battersea Park | McCain UK Young Athletes League Southern 1 NE | 20 Jun 10 |
| 4x400 | 4:39.44 | | | | 2 | | | | Hendon | McCain UK Young Athletes League Southern 1 NE | 16 May 10 |
| 2009 U15 St. Albans AC |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.7 | | | | 1 | A | | | Sandy | Eastern Young Athletes League | 28 Jun 09 |
| 4x100 | 47.7 | | | | 1 | | | | Chelmsford | Eastern Young Athletes' League Final | 13 Sep 09 |
| 4x100 | 47.8 | | | | 1 | | | | St. Albans | McCain UK Young Athletes League Southern One East | 21 Jun 09 |
| 4x100 | 48.00 | | | | 1 | | | | Welwyn | McCain UK Young Athletes League Southern One East | 31 May 09 |
| 4x100 | 48.0 | | | | 1 | | | | Cambridge | Eastern Young Athletes League | 16 Aug 09 |
| 4x100 | 48.3 | | | | 1 | | | | Hemel Hempstead | Eastern Young Athletes League | 7 Jun 09 |
| 4x100 | 48.6 | | | | 1 | | | | St. Albans | McCain UK Young Athletes League Southern One East | 3 May 09 |
| 4x100 | 48.8 | | | | 2 | | | | Bedford | Eastern Young Athletes League | 12 Jul 09 |
| 4x100 | 49.4 | | | | 1 | A | | | St. Albans | Eastern Young Athletes' League | 19 Apr 09 |
| 4x400 | 3:55.3 | | | | 1 | | | | Erith | McCain UK Young Athletes League Southern One East | 19 Jul 09 |
| 4x400 | 3:55.4 | | | | 1 | | | | St. Albans | McCain UK Young Athletes League Southern One East | 21 Jun 09 |
| 2008 U15 St. Albans AC |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.7 | | | | 1 | A | | | St. Albans | Eastern Young Athletes' League | 29 Jun 08 |