| 2024 U15 Vale of Aylesbury |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 55.84 | | | | 3 | | | | Bedford | UK Youth Development League Lower - Southern 1C | 20 Apr 24 |
| 4x100 | 56.64 | | | | 5 | | | | Bracknell | UK Youth Development League Lower - Southern 1C | 16 Jun 24 |
| 4x100 | 56.87 | | | | 4 | | | | Eton | UK Youth Development League Lower - Southern 1C | 21 Jul 24 |
| 4x100 | 58.7 | | | | 6 | | | | Hemel Hempstead | UK Youth Development League Lower - Southern 1C | 19 May 24 |
| 4x300 | 3:05.32 | | | | 5 | | | | Eton | UK Youth Development League Lower - Southern 1C | 21 Jul 24 |
| 4x300 | 3:09.87 | | | | 1 | | | | Bedford | UK Youth Development League Lower - Southern 1C | 20 Apr 24 |
| 4x300 | 3:15.0 | | | | 3 | | | | Hemel Hempstead | UK Youth Development League Lower - Southern 1C | 19 May 24 |
| 2023 U15 Vale of Aylesbury |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 50.6 | | | | 1 | | | | Portsmouth | UK Youth Development League Lower - Southern 2A | 23 Jul 23 |
| 4x100 | 51.0 | | | | 2 | | | | Kingston | UK Youth Development League Lower - Southern 2A | 3 Jun 23 |
| 4x100 | 55.7 | | | | 4 | | | | Hemel Hempstead | UK Youth Development League Lower - Southern 2A | 8 Jul 23 |
| 2022 U15 Vale of Aylesbury |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 53.0 | | | | 2 | | | | Winchester | UK Youth Development League Lower Southern 2A | 8 May 22 |
| 4x100 | 53.5 | | | | 3 | | | | Bournemouth | UK Youth Development League Lower Southern 2A | 21 May 22 |
| 4x100 | 53.8 | | | | 2 | | | | Kingston | UK Youth Development League Lower Southern 2A | 3 Jul 22 |
| 2021 U15 Vale of Aylesbury |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 51.8 | | | | 3 | | | | Bracknell | Youth Development League Lower Southern North West | 4 Sep 21 |
| 2019 U15 Vale of Aylesbury |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.5 | | | | 2 | | | | Sandy | UK Youth Development U13/U15 League Division South Central 1 | 22 Jun 19 |
| 4x100 | 50.7 | | | | 5 | | | | Hillingdon | UK Youth Development U13/U15 League Division South Central 1 | 18 May 19 |
| 4x100 | 51.6 | | | | 3 | | | | Harrow | UK Youth Development U13/U15 League Division South Central 1 | 27 Apr 19 |
| 4x100 | 54.3 | | | | 6 | | | | Wormwood Scrubs | UK Youth Development U13/U15 League Division South Central 1 | 20 Jul 19 |
| 4x300 | 2:48.2 | | | | 1 | | | | Sandy | UK Youth Development U13/U15 League Division South Central 1 | 22 Jun 19 |
| 4x300 | 2:49.9 | | | | 2 | | | | Wormwood Scrubs | UK Youth Development U13/U15 League Division South Central 1 | 20 Jul 19 |
| 4x300 | 2:50.1 | | | | 1 | | | | Hillingdon | UK Youth Development U13/U15 League Division South Central 1 | 18 May 19 |
| 4x300 | 2:53.8 | | | | 1 | | | | Harrow | UK Youth Development U13/U15 League Division South Central 1 | 27 Apr 19 |
| 2018 U15 Vale of Aylesbury |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.3 | | | | 1 | | | | Hemel Hempstead | UK Youth Development U13/U15 League Division South Central 1 | 21 Jul 18 |
| 4x100 | 50.05 | | | | 1 | | | | Bedford | UK Youth Development U13/U15 League Division South Central 1 | 21 Apr 18 |
| 4x100 | 50.3 | | | | 4 | | | | Wormwood Scrubs | UK Youth Development U13/U15 League Division South Central 1 | 17 Jun 18 |
| 4x100 | 50.6 | | | | 2 | | | | Mile End | UK Youth Development U13/U15 League Division South Central 1 | 19 May 18 |
| 4x300 | 2:59.1 | | | | 6 | | | | Hemel Hempstead | UK Youth Development U13/U15 League Division South Central 1 | 21 Jul 18 |
| 4x300 | 2:59.77 | | | | 1 | | | | Bedford | UK Youth Development U13/U15 League Division South Central 1 | 21 Apr 18 |
| 4x300 | 3:02.3 | | | | 5 | | | | Wormwood Scrubs | UK Youth Development U13/U15 League Division South Central 1 | 17 Jun 18 |
| 2017 U15 Vale of Aylesbury |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 52.3 | | | | 4 | | | | Wormwood Scrubs | UK Youth Development U13/U15 League Division South Central 1 | 20 May 17 |
| 4x100 | 53.2 | | | | 5 | | | | Mile End | UK Youth Development U13/U15 League Division South Central 1 | 18 Jun 17 |
| 4x100 | 53.9 | | | | 4 | | | | Harrow | UK Youth Development U13/U15 League Division South Central 1 | 22 Apr 17 |
| 4x300 | 3:04.6 | | | | 6 | | | | Hemel Hempstead | UK Youth Development U13/U15 League Division South Central 1 | 15 Jul 17 |
| 4x300 | 3:04.7 | | | | 3 | | | | Wormwood Scrubs | UK Youth Development U13/U15 League Division South Central 1 | 20 May 17 |
| 4x300 | 3:05.1 | | | | 4 | | | | Harrow | UK Youth Development U13/U15 League Division South Central 1 | 22 Apr 17 |
| 2016 U15 Vale of Aylesbury |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 48.11 | | | | 2 | | | | Bedford | UK Youth Development U13/U15 League Division South Central 1 | 21 May 16 |
| 4x100 | 48.4 | | | | 2 | | | | Little Marlow | UK Youth Development U13/U15 League Division South Central 1 | 19 Jun 16 |
| 4x100 | 49.0 | | | | 2 | | | | Hemel Hempstead | UK Youth Development U13/U15 League Division South Central 1 | 16 Jul 16 |
| 4x100 | 52.11 | | | | 2 | | | | Perivale | UK Youth Development U13/U15 League Division South Central 1 | 23 Apr 16 |
| 4x300 | 2:58.4 | | | | 4 | | | | Hemel Hempstead | UK Youth Development U13/U15 League Division South Central 1 | 16 Jul 16 |
| 4x300 | 3:00.5 | | | | 4 | | | | Little Marlow | UK Youth Development U13/U15 League Division South Central 1 | 19 Jun 16 |
| 4x300 | 3:12.94 | | | | 5 | | | | Perivale | UK Youth Development U13/U15 League Division South Central 1 | 23 Apr 16 |
| 4x300 | 3:15.18 | | | | 4 | | | | Bedford | UK Youth Development U13/U15 League Division South Central 1 | 21 May 16 |
| 2015 U15 Vale of Aylesbury |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.9 | | | | 1 | | | | Hemel Hempstead | UK Youth Development U13/U15 League Division South North/East 2 | 18 Jul 15 |
| 4x100 | 48.8 | | | | 1 | | | | Winchester | UK Youth Development U13/U15 League Division South North/East 2 | 21 Jun 15 |
| 4x100 | 50.35 | | | | 2 | | | | Perivale | UK Youth Development U13/U15 League Division South North/East 2 | 30 May 15 |
| 4x100 | 50.4 | | | | 2 | | | | Twickenham | UK Youth Development U13/U15 League Division South North/East 2 | 2 May 15 |
| 4x300 | 2:57.8 | | | | 3 | | | | Hemel Hempstead | UK Youth Development U13/U15 League Division South North/East 2 | 18 Jul 15 |
| 4x300 | 3:17.2 | | | | 4 | | | | Twickenham | UK Youth Development U13/U15 League Division South North/East 2 | 2 May 15 |
| 4x300 | 3:17.43 | | | | 7 | | | | Perivale | UK Youth Development U13/U15 League Division South North/East 2 | 30 May 15 |
| 4x300 | 3:18.8 | | | | 6 | | | | Winchester | UK Youth Development U13/U15 League Division South North/East 2 | 21 Jun 15 |
| 2014 U15 Vale of Aylesbury |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.2 | | | | 3 | | | | Perivale | UK Youth Development U13/U15 League Division Southern North 2 | 19 Jul 14 |
| 4x100 | 51.8 | | | | 3 | | | | Uxbridge | UK Youth Development U13/U15 League Division Southern North 2 | 3 May 14 |
| 4x100 | 53.3 | | | | 3 | | | | Perivale | UK Youth Development U13/U15 League Division Southern North 2 | 31 May 14 |
| 4x100 | 57.4 | | | | 6 | | | | Hemel Hempstead | UK Youth Development U13/U15 League Division Southern North 2 | 22 Jun 14 |
| 4x300 | 2:50.0 | | | | 1 | | | | Perivale | UK Youth Development U13/U15 League Division Southern North 2 | 19 Jul 14 |
| 4x300 | 3:00.9 | | | | 1 | | | | Uxbridge | UK Youth Development U13/U15 League Division Southern North 2 | 3 May 14 |
| 4x300 | 3:06.1 | | | | 3 | | | | Perivale | UK Youth Development U13/U15 League Division Southern North 2 | 31 May 14 |
| 4x300 | 3:18.7 | | | | 5 | | | | Hemel Hempstead | UK Youth Development U13/U15 League Division Southern North 2 | 22 Jun 14 |
| 2013 U15 Vale of Aylesbury |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 51.1 | | | | 2 | | | | Parliament Hill | UK Youth Development U13/U15 League Division Southern North 3 | 1 Jun 13 |
| 4x100 | 53.0 | | | | 2 | | | | Twickenham | UK Youth Development U13/U15 League Division Southern North 3 | 4 May 13 |
| 4x100 | 56.3 | | | | 4 | | | | Parliament Hill | UK Youth Development U13/U15 League Division Southern North 3 | 13 Jul 13 |
| 4x300 | 3:00.3 | | | | 2 | | | | Parliament Hill | UK Youth Development U13/U15 League Division Southern North 3 | 13 Jul 13 |
| 4x300 | 3:02.3 | | | | 2 | | | | Parliament Hill | UK Youth Development U13/U15 League Division Southern North 3 | 1 Jun 13 |
| 4x300 | 3:05.6 | | | | 2 | | | | Twickenham | UK Youth Development U13/U15 League Division Southern North 3 | 4 May 13 |
| 4x300 | 3:05.7 | | | | 2 | | | | Hemel Hempstead | UK Youth Development U13/U15 League Division Southern North 3 | 22 Jun 13 |