| 2024 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 46.01 | | | | 2 | | | | Sportcity | UK Youth Development League Lower Age Group Final | 31 Aug 24 |
| 4x100 | 46.66 | | | | 1 | | | | York | UK Youth Development League Lower - Northern Premier East | 21 Jul 24 |
| 4x100 | 50.3 | | | | 2 | | | | Doncaster | UK Youth Development League Lower - Northern Premier East | 19 May 24 |
| 4x100 | 50.6 | | | | 1 | | | | Leeds (JC) | UK Youth Development League Lower - Northern Premier East | 20 Apr 24 |
| 4x100 | 50.6 | | | | 2 | | | | Rotherham | UK Youth Development League Lower - Northern Premier East | 16 Jun 24 |
| 4x300 | 2:55.6 | | | | 3 | | | | Rotherham | UK Youth Development League Lower - Northern Premier East | 16 Jun 24 |
| 4x300 | 2:56.21 | | | | 3 | | | | York | UK Youth Development League Lower - Northern Premier East | 21 Jul 24 |
| 4x300 | 2:56.98 | | | | 6 | | | | Sportcity | UK Youth Development League Lower Age Group Final | 31 Aug 24 |
| 4x300 | 3:01.6 | | | | 2 | | | | Leeds | UK Youth Development League Lower - Northern Premier East | 20 Apr 24 |
| 4x300 | 3:09.3 | | | | 5 | | | | Doncaster | UK Youth Development League Lower - Northern Premier East | 19 May 24 |
| 2023 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.62 | | | | 6 | | | | Sportcity | UK Youth Development League Lower National Final | 2 Sep 23 |
| 4x100 | 50.2 | | | | 1 | | | | Hull | UK Youth Development League Lower - Norther Premier East | 22 Jul 23 |
| 4x100 | 50.75 | | | | 2 | | | | Leeds (S) | UK Youth Development League Lower - Norther Premier East | 8 Jul 23 |
| 4x100 | 51.43 | | | | 2 | | | | Hull | UK Youth Development League Lower - Norther Premier East | 3 Jun 23 |
| 4x100 | 55.99 | | | | 3 | | | | York | UK Youth Development League Lower - Norther Premier East | 7 May 23 |
| 4x300 | 2:44.11 | | | | 4 | | | | Sportcity | UK Youth Development League Lower National Final | 2 Sep 23 |
| 4x300 | 2:46.79 | | | | 1 | | | | Leeds (S) | UK Youth Development League Lower - Norther Premier East | 8 Jul 23 |
| 4x300 | 2:49.38 | | | | 1 | | | | Hull | UK Youth Development League Lower - Norther Premier East | 3 Jun 23 |
| 4x300 | 2:50.1 | | | | 1 | | | | Hull | UK Youth Development League Lower - Norther Premier East | 22 Jul 23 |
| 4x300 | 2:53.71 | | | | 1 | | | | York | UK Youth Development League Lower - Norther Premier East | 7 May 23 |
| 2022 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 51.19 | | | | 3 | | | | York | UK Youth Development League Lower Regional Final | 30 Jul 22 |
| 4x100 | 51.31 | | | | 2 | | | | Sheffield | UK Youth Development League Lower Northern Premier East | 3 Jul 22 |
| 4x100 | 51.63 | | | | 5 | | | | Sportcity | UK Youth Development League Lower National Final | 3 Sep 22 |
| 4x100 | 51.78 | | | | 3 | | | | Leeds (S) | UK Youth Development League Lower Northern Premier East | 21 May 22 |
| 4x100 | 52.75 | | | | 5 | | | | York | UK Youth Development League Lower Northern Premier East | 8 May 22 |
| 4x100 | 57.68 | | | | 2 | | | | York | York Evening Meeting | 4 May 22 |
| 4x300 | 2:50.61 | | | | 5 | | | | Sportcity | UK Youth Development League Lower National Final | 3 Sep 22 |
| 4x300 | 2:54.59 | | | | 2 | | | | York | UK Youth Development League Lower Regional Final | 30 Jul 22 |
| 4x300 | 2:56.07 | | | | 2 | | | | York | UK Youth Development League Lower Northern Premier East | 8 May 22 |
| 4x300 | 3:00.24 | | | | 2 | | | | Leeds (S) | UK Youth Development League Lower Northern Premier East | 21 May 22 |
| 4x300 | 3:08.77 | | | | 3 | | | | Sheffield | UK Youth Development League Lower Northern Premier East | 3 Jul 22 |
| 2021 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 50.97 | | | | 3 | | | | York | Youth Development League Lower Northern North/West Yorkshire | 5 Jun 21 |
| 4x100 | 51.31 | | | | 2 | | | | Hull | Youth Development League Lower Northern North/West Yorkshire | 4 Sep 21 |
| 4x100 | 51.35 | | | | 2 | | | | York | Youth Development League Lower Northern North/West Yorkshire | 17 Jul 21 |
| 4x300 | 2:55.77 | | | | 1 | | | | York | Youth Development League Lower Northern North/West Yorkshire | 17 Jul 21 |
| 4x300 | 2:59.69 | | | | 1 | | | | Hull | Youth Development League Lower Northern North/West Yorkshire | 4 Sep 21 |
| 4x300 | 3:10.55 | | | | 1 | | | | York | Youth Development League Lower Northern North/West Yorkshire | 5 Jun 21 |
| 2019 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 50.4 | | | | 1 | | | | York | UK Youth Development U13/U15 League Division North East 1 | 18 May 19 |
| 4x100 | 52.3 | | | | 2 | | | | Middlesbrough | UK Youth Development U13/U15 League Division North East 1 | 22 Jun 19 |
| 4x100 | 53.0 | | | | 2 | | | | Doncaster | UK Youth Development U13/U15 League Division North East 1 | 27 Apr 19 |
| 4x100 | 53.3 | | | | 2 | | | | Scunthorpe | UK Youth Development U13/U15 League Division North East 1 | 20 Jul 19 |
| 4x300 | 2:54.8 | | | | 2 | | | | Scunthorpe | UK Youth Development U13/U15 League Division North East 1 | 20 Jul 19 |
| 4x300 | 3:05.4 | | | | 2 | | | | Middlesbrough | UK Youth Development U13/U15 League Division North East 1 | 22 Jun 19 |
| 4x300 | 3:26.1 | | | | 2 | | | | Doncaster | UK Youth Development U13/U15 League Division North East 1 | 27 Apr 19 |
| 2018 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.8 | | | | 1 | | | | Cleckheaton | UK Youth Development U13/U15 League Division North East 2 | 21 Jul 18 |
| 4x100 | 48.1 | | | | 1 | | | | York | UK Youth Development U13/U15 League Division North East 2 | 19 May 18 |
| 4x100 | 48.6 | | | | 1 | | | | Cleckheaton | UK Youth Development U13/U15 League Division North East 2 | 21 Apr 18 |
| 4x100 | 49.0 | | | | 1 | | | | Scunthorpe | UK Youth Development U13/U15 League Division North East 2 | 17 Jun 18 |
| 4x300 | 3:06.1 | | | | 1 | | | | Cleckheaton | UK Youth Development U13/U15 League Division North East 2 | 21 Jul 18 |
| 4x300 | 3:06.9 | | | | 1 | | | | Scunthorpe | UK Youth Development U13/U15 League Division North East 2 | 17 Jun 18 |
| 4x300 | 3:07.2 | | | | 1 | | | | York | UK Youth Development U13/U15 League Division North East 2 | 19 May 18 |
| 4x300 | 3:12.7 | | | | 1 | | | | Cleckheaton | UK Youth Development U13/U15 League Division North East 2 | 21 Apr 18 |
| 2017 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 50.1 | | | | 2 | | | | Doncaster | UK Youth Development U13/U15 League Division North East 1 | 22 Apr 17 |
| 4x100 | 50.6 | | | | 1 | | | | York | UK Youth Development U13/U15 League Division North East 1 | 20 May 17 |
| 4x100 | 51.35 | | | | 4 | | | | Hull | UK Youth Development U13/U15 League Division North East 1 | 18 Jun 17 |
| 4x100 | 51.5 | | | | 5 | | | | Rotherham | UK Youth Development U13/U15 League Division North East 1 | 15 Jul 17 |
| 4x300 | 3:05.14 | | | | 4 | | | | Hull | UK Youth Development U13/U15 League Division North East 1 | 18 Jun 17 |
| 4x300 | 3:07.4 | | | | 4 | | | | York | UK Youth Development U13/U15 League Division North East 1 | 20 May 17 |
| 2016 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 52.6 | | | | 2 | | | | York | North Yorkshire County Schools Championships | 11 Jun 16 |
| 4x100 | 55.2 | | | | 1 | | | | Scunthorpe | UK Youth Development U13/U15 League Division North East 2 | 16 Jul 16 |
| 4x100 | 55.9 | | | | 1 | | | | Lincoln | UK Youth Development U13/U15 League Division North East 2 | 19 Jun 16 |
| 4x100 | 57.1 | | | | 1 | | | | York | UK Youth Development U13/U15 League Division North East 2 | 23 Apr 16 |
| 4x300 | 3:10.1 | | | | 2 | | | | Scunthorpe | UK Youth Development U13/U15 League Division North East 2 | 16 Jul 16 |
| 4x300 | 3:19.3 | | | | 1 | | | | York | UK Youth Development U13/U15 League Division North East 2 | 23 Apr 16 |
| 4x300 | 3:19.9 | | | | 2 | | | | Cleckheaton | UK Youth Development U13/U15 League Division North East 2 | 21 May 16 |
| 2015 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 50.3 | | | | 1 | | | | Rotherham | UK Youth Development U13/U15 League Division North East 1 | 21 Jun 15 |
| 4x100 | 51.0 | | | | 4 | | | | Sheffield | UK Youth Development U13/U15 League Division North East 1 | 30 May 15 |
| 4x100 | 54.8 | | | | 5 | | | | Scunthorpe | UK Youth Development U13/U15 League Division North East 1 | 18 Jul 15 |
| 4x300 | 3:05.4 | | | | 3 | | | | Sheffield | UK Youth Development U13/U15 League Division North East 1 | 30 May 15 |
| 4x300 | 3:07.9 | | | | 5 | | | | Scunthorpe | UK Youth Development U13/U15 League Division North East 1 | 18 Jul 15 |
| 4x300 | 3:12.3 | | | | 4 | | | | Rotherham | UK Youth Development U13/U15 League Division North East 1 | 21 Jun 15 |
| 4x300 | 3:12.6 | | | | 3 | | | | Middlesbrough | UK Youth Development U13/U15 League Division North East 1 | 2 May 15 |
| 2014 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 50.5 | | | | 1 | | | | Doncaster | UK Youth Development U13/U15 League Division Northern Premier 2 | 31 May 14 |
| 4x100 | 50.69 | | | | 3 | | | | Spinkhill | UK Youth Development U13/U15 League Division Northern Premier 2 | 3 May 14 |
| 4x100 | 53.1 | | | | 5 | | | | York | UK Youth Development U13/U15 League Division Northern Premier 2 | 22 Jun 14 |
| 4x300 | 2:57.50 | | | | 3 | | | | Spinkhill | UK Youth Development U13/U15 League Division Northern Premier 2 | 3 May 14 |
| 4x300 | 2:59.0 | | | | 3 | | | | York | UK Youth Development U13/U15 League Division Northern Premier 2 | 22 Jun 14 |
| 4x300 | 3:01.5 | | | | 4 | | | | Doncaster | UK Youth Development U13/U15 League Division Northern Premier 2 | 31 May 14 |
| 2013 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 52.0 | | | | 5 | | | | Bebington | UK Youth Development U13/U15 League Division Northern Premier 2 | 1 Jun 13 |
| 4x100 | 52.5 | | | | 4 | | | | Hull | UK Youth Development U13/U15 League Division Northern Premier 2 | 13 Jul 13 |
| 4x100 | 54.1 | | | | 5 | | | | Wakefield | UK Youth Development U13/U15 League Division Northern Premier 2 | 22 Jun 13 |
| 4x100 | 55.48 | | | | 5 | | | | South Leeds | UK Youth Development U13/U15 League Division Northern Premier 2 | 4 May 13 |
| 4x300 | 2:56.6 | | | | 4 | | | | Wakefield | UK Youth Development U13/U15 League Division Northern Premier 2 | 22 Jun 13 |
| 4x300 | 2:59.7 | | | | 3 | | | | Hull | UK Youth Development U13/U15 League Division Northern Premier 2 | 13 Jul 13 |
| 4x300 | 3:11.4 | | | | 4 | | | | Bebington | UK Youth Development U13/U15 League Division Northern Premier 2 | 1 Jun 13 |
| 4x300 | 3:28.59 | | | | 5 | | | | South Leeds | UK Youth Development U13/U15 League Division Northern Premier 2 | 4 May 13 |
| 2012 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 51.2 | | | | 1 | | | | York | McCain Young Athletes' League Division Northern 1E | 6 May 12 |
| 4x100 | 53.4 | | | | 2 | | | | Halifax | McCain Young Athletes' League Division Northern 1E | 20 May 12 |
| 4x100 | 55.8 | | | | 4 | | | | Middlesbrough | McCain Young Athletes' League Division Northern 1E | 17 Jun 12 |
| 4x300 | 2:50.2 | | | | 1 | | | | York | McCain Young Athletes' League Division Northern 1E | 6 May 12 |
| 4x300 | 3:00.7 | | | | 2 | | | | Halifax | McCain Young Athletes' League Division Northern 1E | 20 May 12 |
| 4x300 | 3:07.0 | | | | 2 | | | | Middlesbrough | McCain Young Athletes' League Division Northern 1E | 17 Jun 12 |
| 2011 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 51.2 | | | | 1 | | | | Doncaster | McCain Young Athletes League Northern Premier E Division | 5 Jun 11 |
| 4x100 | 51.4 | | | | 2 | | | | Hull | McCain Young Athletes League Northern Premier E Division Match 2 | 19 Jun 11 |
| 4x100 | 52.2 | | | | 1 | | | | York | McCain Young Athletes League Northern Premier E Division Match 1 | 22 May 11 |
| 4x100 | 53.56 | | | | 3 | | | | Wakefield | McCain Young Athletes League Northern Premier E Division | 8 May 11 |
| 4x400 | 4:01.4 | | | | 1 | | | | Hull | McCain Young Athletes League Northern Premier E Division Match 2 | 19 Jun 11 |
| 4x400 | 4:06.2 | | | | 1 | | | | Doncaster | McCain Young Athletes League Northern Premier E Division | 5 Jun 11 |
| 4x400 | 4:10.2 | | | | 2 | | | | York | McCain Young Athletes League Northern Premier E Division Match 1 | 22 May 11 |
| 4x400 | 4:34.32 | | | | 3 | | | | Wakefield | McCain Young Athletes League Northern Premier E Division | 8 May 11 |
| 2010 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.4 | | | | 2 | | | | York | McCain UK Young Athletes League Northern Premier E | 20 Jun 10 |
| 4x100 | 55.9 | | | | 2 | | | | Sheffield (W) | McCain UK Young Athletes League Northern Premier E | 2 May 10 |
| 4x100 | 56.0 | | | | 3 | | | | Grimsby | McCain UK Young Athletes League Northern Premier E | 18 Jul 10 |
| 4x100 | 56.4 | | | | 3 | | | | Wakefield | McCain UK Young Athletes League Northern Premier E | 16 May 10 |
| 4x400 | 4:02.8 | | | | 1 | | | | York | McCain UK Young Athletes League Northern Premier E | 20 Jun 10 |
| 4x400 | 4:06.0 | | | | 1 | | | | Grimsby | McCain UK Young Athletes League Northern Premier E | 18 Jul 10 |
| 4x400 | 4:31.5 | | | | 2 | | | | Wakefield | McCain UK Young Athletes League Northern Premier E | 16 May 10 |
| 2009 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 55.3 | | | | 1 | A | | | Hull | McCain UK Young Athletes League Northern One East | 19 Jul 09 |
| 4x400 | 4:17.0 | | | | 2 | A | | | Jarrow | McCain UK Young Athletes League Northern One East | 21 Jun 09 |
| 2008 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.9 | | | | 3 | | | | York | North Yorkshire Schools' Championships | 14 Jun 08 |
| 2007 U15 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x400 | 3:48.0 | | | | 1 | | | | Gateshead | UKA Young Athletes League Northern Premier | 24 Jun 07 |