| 2024 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 43.11 | | | | 4 | | | | Birmingham | England Athletics National Relay Championships (For Club Teams) | 25 Aug 24 |
| 4x100 | 43.85 | | | | 4 | | | | Sportcity | UK Youth Development League Upper Age Group Final | 1 Sep 24 |
| 4x100 | 44.15 | | | | 1 | | | | York | UK Youth Development League Upper - East Premier | 28 Apr 24 |
| 4x100 | 44.54 | | | | 2 | | | | Hull | UK Youth Development League Upper - North Premier East | 30 Jun 24 |
| 4x100 | 45.60 | | | | 1 | 1 | | | York | York April Meeting | 14 Apr 24 |
| 2023 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.65 | | | | 3 | | | | Sportcity | UK Youth Development League Upper National Final | 3 Sep 23 |
| 4x100 | 45.67 | | | | 2 | | | | York | UK Youth Development League Upper - Northern Premier East | 28 May 23 |
| 4x100 | 46.5 | | | | 1 | | | | Doncaster | UK Youth Development League Upper - Northern Premier East | 25 Jun 23 |
| 4x100 | 50.7 | | | | 2 | | | | Hull | UK Youth Development League Upper - Northern Premier East | 30 Apr 23 |
| 4x400 | 3:32.94 | | | | 3 | | | | Sportcity | UK Youth Development League Upper National Final | 3 Sep 23 |
| 4x400 | 3:41.78 | | | | 3 | | | | York | UK Youth Development League Upper - Northern Premier East | 28 May 23 |
| 4x400 | 3:43.5 | | | | 2 | | | | Doncaster | UK Youth Development League Upper - Northern Premier East | 25 Jun 23 |
| 4x400 | 3:45.4 | | | | 3 | | | | Hull | UK Youth Development League Upper - Northern Premier East | 30 Apr 23 |
| 2022 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.37 | | | | 2 | | | | York | UK Youth Development League Upper Northern Regional Final | 7 Aug 22 |
| 4x100 | 45.71 | | | | 3 | | | | York | UK Youth Development League Upper Northern Premier East | 29 May 22 |
| 4x100 | 45.73 | | | | 5 | | | | Sportcity | UK Youth Development League Upper National Final | 4 Sep 22 |
| 4x100 | 47.35 | | | | 1 | | | | Wakefield | UK Youth Development League Upper Northern Premier East | 26 Jun 22 |
| 4x100 | 47.59 | | | | 4 | | | | Sheffield | UK Youth Development League Upper Northern Premier East | 24 Apr 22 |
| 4x400 | 3:40.99 | | | | 3 | | | | Wakefield | UK Youth Development League Upper Northern Premier East | 26 Jun 22 |
| 4x400 | 3:42.26 | | | | 3 | | | | Sportcity | UK Youth Development League Upper National Final | 4 Sep 22 |
| 4x400 | 3:46.51 | | | | 4 | | | | York | UK Youth Development League Upper Northern Regional Final | 7 Aug 22 |
| 4x400 | 3:46.61 | | | | 3 | | | | York | UK Youth Development League Upper Northern Premier East | 29 May 22 |
| 2021 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 46.40 | | | | 2 | | | | York | Youth Development League Upper Northern Yorkshire North | 30 May 21 |
| 4x100 | 48.92 | | | | 5 | | | | Hull | Youth Development League Upper Northern Yorkshire North | 25 Jul 21 |
| 4x100 | 49.31 | | | | 2 | | | | York | Youth Development League Upper Northern Yorkshire North | 5 Sep 21 |
| 4x400 | 3:49.49 | | | | 2 | | | | York | Youth Development League Upper Northern Yorkshire North | 5 Sep 21 |
| 2019 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 44.71 | | | | 1 | | | | Stretford | UK Youth Development U17/U20 League Division North Premier | 30 Jun 19 |
| 4x100 | 45.69 | | | | 4 | | | | Carlisle | UK Youth Development U17/U20 League Division North Premier | 26 May 19 |
| 4x100 | 46.88 | | | | 3 | | | | Carlisle | UK Youth Development U17/U20 League Division North Premier | 5 May 19 |
| 4x400 | 3:38.16 | | | | 5 | | | | Stretford | UK Youth Development U17/U20 League Division North Premier | 30 Jun 19 |
| 2018 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 44.3 | | | | 1 | | | | York | UK Youth Development U17/U20 League Division North Premier 2 | 1 Jul 18 |
| 4x100 | 46.03 | | | | 3 | | | | Leeds (JC) | UK Youth Development U17/U20 League Division North Premier 2 | 29 Apr 18 |
| 4x100 | 51.48 | | | | 5 | | | | Stretford | UK Youth Development U17/U20 League Division North Premier 2 | 27 May 18 |
| 4x400 | 3:42.0 | | | | 3 | | | | York | UK Youth Development U17/U20 League Division North Premier 2 | 1 Jul 18 |
| 4x400 | 4:00.63 | | | | 5 | | | | Leeds (JC) | UK Youth Development U17/U20 League Division North Premier 2 | 29 Apr 18 |
| 4x400 | 4:02.11 | | | | 6 | | | | Stretford | UK Youth Development U17/U20 League Division North Premier 2 | 27 May 18 |
| 2017 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.60 | | | | 2 | | | | Sheffield | UK Youth Development U17/U20 League North Premier East Promotion Match | 23 Jul 17 |
| 4x100 | 47.22 | | | | 4 | | | | York | UK Youth Development U17/U20 League Division North Premier East/North | 25 Jun 17 |
| 4x100 | 47.9 | | | | 4 | | | | Darlington | UK Youth Development U17/U20 League Division North Premier East/North | 28 May 17 |
| 4x100 | 48.4 | | | | 5 | | | | Hull | UK Youth Development U17/U20 League Division North Premier East/North | 30 Apr 17 |
| 4x400 | 3:36.74 | | | | 3 | | | | Sheffield | UK Youth Development U17/U20 League North Premier East Promotion Match | 23 Jul 17 |
| 4x400 | 3:41.15 | | | | 2 | | | | York | UK Youth Development U17/U20 League Division North Premier East/North | 25 Jun 17 |
| 4x400 | 3:43.8 | | | | 4 | | | | Hull | UK Youth Development U17/U20 League Division North Premier East/North | 30 Apr 17 |
| 4x400 | 4:01.9 | | | | 3 | | | | Darlington | UK Youth Development U17/U20 League Division North Premier East/North | 28 May 17 |
| 2016 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.91 | | | | 6 | | | | York | UK Youth Development U17/U20 League Division North Premier East | 24 Jul 16 |
| 4x100 | 48.43 | | | | 6 | | | | Grangemouth | UK Youth Development U17/U20 League Division North Premier East | 1 May 16 |
| 4x100 | 50.89 | | | | 6 | | | | Gateshead | UK Youth Development U17/U20 League Division North Premier East | 29 May 16 |
| 4x400 | 3:33.55 | | | | 3 | | | | Grangemouth | UK Youth Development U17/U20 League Division North Premier East | 1 May 16 |
| 4x400 | 3:35.72 | | | | 6 | | | | York | UK Youth Development U17/U20 League Division North Premier East | 24 Jul 16 |
| 4x400 | 3:41.8 | | | | 5 | | | | Gateshead | UK Youth Development U17/U20 League Division North Premier East | 29 May 16 |
| 4x400 | 3:50.79 | | | | 5 | | | | Leeds | UK Youth Development U17/U20 League Division North Premier East | 26 Jun 16 |
| 2015 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.2 | | | | 2 | | | | York (U) | North Yorkshire County Schools Championships | 13 Jun 15 |
| 4x100 | 47.8 | | | | 2 | | | | Scunthorpe | UK Youth Development U17/U20 League Division North East 1 | 18 Apr 15 |
| 4x100 | 49.1 | | | | 3 | | | | Spinkhill | UK Youth Development U17/U20 League Division North East 1 | 28 Jun 15 |
| 4x100 | 51.3 | | | | 3 | | | | Middlesbrough | UK Youth Development U17/U20 League Division North East 1 | 16 May 15 |
| 4x400 | 3:35.8 | | | | 1 | | | | Scunthorpe | UK Youth Development U17/U20 League Division North East 1 | 18 Apr 15 |
| 4x400 | 3:40.0 | | | | 1 | | | | Spinkhill | UK Youth Development U17/U20 League Division North East 1 | 28 Jun 15 |
| 4x400 | 3:52.7 | | | | 3 | | | | Middlesbrough | UK Youth Development U17/U20 League Division North East 1 | 16 May 15 |
| 2014 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.3 | | | | 1 | | | | Spinkhill | UK Youth Development U17/U20 League Division Northern East 1 | 27 Apr 14 |
| 4x100 | 47.7 | | | | 1 | | | | Grimsby | UK Youth Development U17/U20 League Division Northern East 1 | 29 Jun 14 |
| 4x100 | 48.1 | | | | 1 | | | | Middlesbrough | UK Youth Development U17/U20 League Division Northern East 1 | 27 Jul 14 |
| 4x400 | 3:51.1 | | | | 2 | | | | York | UK Youth Development U17/U20 League Division Northern East 1 | 1 Jun 14 |
| 2013 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 44.9 | | | | 2 | | | | Hull | UK Youth Development U17/U20 League Division Northern East 1 | 28 Jul 13 |
| 4x100 | 45.3 | | | | 1 | | | | Rotherham | UK Youth Development U17/U20 League Division Northern East 1 | 30 Jun 13 |
| 4x100 | 48.0 | | | | 5 | | | | Doncaster | UK Youth Development U17/U20 League Division Northern East 1 | 2 Jun 13 |
| 4x400 | 3:34.9 | | | | 1 | | | | Doncaster | UK Youth Development U17/U20 League Division Northern East 1 | 2 Jun 13 |
| 4x400 | 3:36.8 | | | | 1 | | | | Hull | UK Youth Development U17/U20 League Division Northern East 1 | 28 Jul 13 |
| 4x400 | 3:39.3 | | | | 2 | | | | Rotherham | UK Youth Development U17/U20 League Division Northern East 1 | 30 Jun 13 |
| 4x400 | 3:45.7 | | | | 1 | | | | Middlesbrough | UK Youth Development U17/U20 League Division Northern East 1 | 28 Apr 13 |
| 2012 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.42 | | | | 1 | | | | Stretford | National Junior Athletic League Pennine Division | 22 Jul 12 |
| 4x100 | 47.1 | | | | 2 | | | | York | National Junior Athletic League Pennine Division | 12 Aug 12 |
| 4x100 | 52.1 | | | | 1 | | | | York | National Junior Athletic League Pennine Division | 12 Aug 12 |
| 4x400 | 3:36.2 | | | | 1 | | | | Hyndburn | National Junior Athletic League Pennine Division | 24 Jun 12 |
| 4x400 | 3:40.76 | | | | 3 | | | | Stretford | National Junior Athletic League Pennine Division | 22 Jul 12 |
| 4x400 | 3:51.2 | | | | 2 | | | | York | National Junior Athletic League Pennine Division | 12 Aug 12 |
| 2011 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x400 | 3:34.1 | | | | 1 | | | | Leeds | National Junior League Pennine Division | 29 May 11 |
| 2010 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 46.1 | | | | 1 | | | | York | National Junior Athletic League Pennine | 27 Jun 10 |
| 4x100 | 47.3 | | | | 3 | | | | Bolton | National Junior Athletic League Pennine | 23 May 10 |
| 4x100 | 48.3 | | | | 2 | | | | Leeds | National Junior Athletic League Pennine | 25 Apr 10 |
| 4x400 | 3:35.4 | | | | 2 | | | | Leigh | National Junior Athletic League Pennine | 23 May 10 |
| 4x400 | 3:37.6 | | | | 2 | | | | York | National Junior Athletic League Pennine | 27 Jun 10 |
| 4x400 | 3:38.3 | | | | 2 | | | | Leeds | National Junior Athletic League Pennine | 25 Apr 10 |
| 4x400 | 3:39.7 | | | | 3 | | | | Stretford | National Junior Athletic League Pennine | 25 Jul 10 |
| 2009 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.78 | | | | 6 | | | | Sportcity | National Junior Athletic League Northern Premier | 14 Jun 09 |
| 4x100 | 47.94 | | | | 8 | | | | Gateshead | National Junior Athletic League Northern Premier | 26 Jul 09 |
| 4x100 | 48.12 | | | | 7 | | | | Grangemouth | National Junior Athletic League Northern Premier | 24 May 09 |
| 4x400 | 3:31.98 | | | | 5 | | | | Gateshead | National Junior Athletic League Northern Premier | 26 Jul 09 |
| 4x400 | 3:48.37 | | | | 7 | | | | Sportcity | National Junior Athletic League Northern Premier | 14 Jun 09 |
| 4x400 | 4:02.51 | | | | 8 | | | | Grangemouth | National Junior Athletic League Northern Premier | 24 May 09 |
| 2008 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.57 | | | | 6 | | | | Sportcity | National Junior Athletic League - Northern Premier | 27 Jul 08 |
| 4x100 | 46.0 | | | | 7 | | | | Leeds | National Junior Athletic League - Northern Premier | 27 Apr 08 |
| 4x100 | 50.31 | | | | 2 | | | | Grangemouth | National Junior Athletic League - Northern Premier | 29 Jun 08 |
| 4x400 | 3:30.2 | | | | 4 | | | | Leeds | National Junior Athletic League - Northern Premier | 27 Apr 08 |
| 2007 U20 City of York |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.3 | | | | 1 | | | | Cleckheaton | National Junior League Pennine | 29 Jul 07 |
| 4x100 | 45.3 | | | | 1 | | | | Cleckheaton | NJAL Northern Promotion Match | 2 Sep 07 |
| 4x100 | 45.4 | | | | 2 | | | | Bolton | National Junior League Pennine | 29 Apr 07 |
| 4x400 | 3:36.7 | | | | 2 | | | | Cleckheaton | National Junior League Pennine | 29 Jul 07 |
| 4x400 | 4:32.6 | | | | 1 | | | | Cleckheaton | NJAL Northern Promotion Match | 2 Sep 07 |