| 2024 U15 City of Portsmouth |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.9 | | | | 1 | | | | Portsmouth | UK Youth Development League Lower - Southern 1A | 16 Jun 24 |
| 4x100 | 50.4 | | | | 3 | | | | Southampton | UK Youth Development League Lower - Southern 1A | 19 May 24 |
| 4x100 | 54.1 | | | | 3 | | | | Bournemouth | UK Youth Development League Lower - Southern 1A | 20 Apr 24 |
| 4x100 | 54.78 | | | | 6 | | | | Guildford | UK Youth Development League Lower - Southern 1A | 21 Jul 24 |
| 4x300 | 2:59.2 | | | | 3 | | | | Southampton | UK Youth Development League Lower - Southern 1A | 19 May 24 |
| 4x300 | 3:01.7 | | | | 3 | | | | Portsmouth | UK Youth Development League Lower - Southern 1A | 16 Jun 24 |
| 2023 U15 City of Portsmouth |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 50.3 | | | | 1 | | | | Kingston | UK Youth Development League Lower - Southern 2A | 3 Jun 23 |
| 4x100 | 52.3 | | | | 3 | | | | Portsmouth | UK Youth Development League Lower - Southern 2A | 23 Jul 23 |
| 4x100 | 53.9 | | | | 2 | | | | Hemel Hempstead | UK Youth Development League Lower - Southern 2A | 8 Jul 23 |
| 4x100 | 57.90 | | | | 4 | | | | Woking | UK Youth Development League Lower - Southern 2A | 7 May 23 |
| 4x300 | 3:05.74 | | | | 4 | | | | Woking | UK Youth Development League Lower - Southern 2A | 7 May 23 |
| 4x300 | 3:13.6 | | | | 3 | | | | Hemel Hempstead | UK Youth Development League Lower - Southern 2A | 8 Jul 23 |
| 4x300 | 3:14.8 | | | | 4 | | | | Kingston | UK Youth Development League Lower - Southern 2A | 3 Jun 23 |
| 2022 U15 City of Portsmouth |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 54.4 | | | | 4 | h2 | | | Southampton | Hampshire Schools AA U13/14 Championships | 13 Jul 22 |
| 4x100 | 54.43 | | | | 5 | | | | Eton | UK Youth Development League Lower Southern 1A | 30 Jul 22 |
| 4x100 | 61.4 | | | | 5 | | | | Andover | Wessex Young Athletes' League | 18 Sep 22 |
| 2019 U15 City of Portsmouth |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.5 | | | | 3 | | | | Brighton | UK Youth Development U13/U15 League Division South Premier 2 | 23 Jun 19 |
| 4x100 | 50.10 | | | | 3 | | | | Bracknell | UK Youth Development U13/U15 League Division South Premier 2 | 18 May 19 |
| 4x100 | 50.6 | | | | 4 | | | | Guildford | UK Youth Development U13/U15 League Division South Premier 2 | 20 Jul 19 |
| 4x100 | 51.4 | | | | 1 | | | | Sandown | Wessex Young Athletes' League | 14 Jul 19 |
| 4x100 | 51.7 | | | | 2 | | | | Swindon | Wessex Young Athletes' League | 30 Jun 19 |
| 4x100 | 52.9 | | | | 1 | | | | Poole | Wessex Young Athletes' League | 7 Apr 19 |
| 4x100 | 52.9 | | | | 2 | | | | Horspath | Wessex Young Athletes' League | 16 Jun 19 |
| 4x100 | 53.2 | | | | 4 | | | | Southampton | UK Youth Development U13/U15 League Division South Premier 2 | 27 Apr 19 |
| 4x100 | 54.9 | | | | 1 | ns | | | Horspath | Wessex Young Athletes' League | 16 Jun 19 |
| 4x300 | 2:58.6 | | | | 5 | | | | Brighton | UK Youth Development U13/U15 League Division South Premier 2 | 23 Jun 19 |
| 4x300 | 2:59.91 | | | | 4 | | | | Bracknell | UK Youth Development U13/U15 League Division South Premier 2 | 18 May 19 |
| 4x300 | 3:08.1 | | | | 5 | | | | Southampton | UK Youth Development U13/U15 League Division South Premier 2 | 27 Apr 19 |
| 2018 U15 City of Portsmouth |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.74 | | | | 5 | | | | Olympic Park | IAAF Diamond League Anniversary Games | 22 Jul 18 |
| 4x100 | 46.7 | | | | 2 | | | | Portsmouth | UK Youth Development U13/U15 League Division South Premier 2 | 17 Jun 18 |
| 4x100 | 46.8 | | | | 2 | | | | Croydon | UK Youth Development U13/U15 League Division South Premier 2 | 21 Jul 18 |
| 4x100 | 48.5 | | | | 3 | | | | Eton | UK Youth Development U13/U15 League Division South Premier 2 | 21 Apr 18 |
| 4x100 | 52.2 | | | | 2 | | | | Portsmouth | Wessex Young Athletes' League | 10 Jun 18 |
| 4x300 | 3:01.1 | | | | 4 | | | | Tooting Bec | UK Youth Development U13/U15 League Division South Premier 2 | 19 May 18 |
| 4x300 | 3:02.9 | | | | 6 | | | | Portsmouth | UK Youth Development U13/U15 League Division South Premier 2 | 17 Jun 18 |
| 4x300 | 3:06.8 | | | | 6 | | | | Croydon | UK Youth Development U13/U15 League Division South Premier 2 | 21 Jul 18 |
| 4x300 | 3:09.1 | | | | 6 | | | | Eton | UK Youth Development U13/U15 League Division South Premier 2 | 21 Apr 18 |
| 2017 U15 City of Portsmouth |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.38 | | | | 2 | | | | Eton | UK Youth Development U13/U15 League Division South Premier 1 | 18 Jun 17 |
| 4x100 | 48.05 | | | | 3 | | | | Bromley | UK Youth Development U13/U15 League Division South Premier 1 | 15 Jul 17 |
| 4x100 | 51.3 | | | | 2 | | | | Bracknell | Alder Valley Boys' League Match 2 | 2 Jul 17 |
| 4x100 | 51.5 | | | | 4 | . | | | Uxbridge | Alder Valley Boys' League Match 2 | 7 May 17 |
| 4x100 | 51.6 | | | | 3 | | | | Portsmouth | Alder Valley Boys' League Match 2 | 6 Aug 17 |
| 4x100 | 51.9 | | | | 2 | | | | Portsmouth | Wessex Young Athletes' League | 25 Jun 17 |
| 4x100 | 52.4 | | | | 5 | | | | Southampton | UK Youth Development U13/U15 League Division South Premier 1 | 20 May 17 |
| 4x100 | 53.0 | | | | 1 | | | | Woking | Wessex Young Athletes' League | 11 Jun 17 |
| 4x100 | 56.50 | | | | 6 | | | | Bracknell | UK Youth Development U13/U15 League Division South Premier 1 | 22 Apr 17 |
| 4x300 | 3:14.10 | | | | 6 | | | | Bromley | UK Youth Development U13/U15 League Division South Premier 1 | 15 Jul 17 |
| 4x300 | 3:18.3 | | | | 5 | | | | Southampton | UK Youth Development U13/U15 League Division South Premier 1 | 20 May 17 |
| 4x300 | 3:20.49 | | | | 6 | | | | Eton | UK Youth Development U13/U15 League Division South Premier 1 | 18 Jun 17 |
| 2016 U15 City of Portsmouth |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.5 | | | | 2 | | | | Croydon | UK Youth Development U13/U15 League Division South Premier 2 | 16 Jul 16 |
| 4x100 | 47.7 | | | | 2 | | | | Reading | Alder Valley Boys' League Trophy Final | 11 Sep 16 |
| 4x100 | 48.4 | | | | 1 | | | | Guildford | Alder Valley Boys' League | 5 Jun 16 |
| 4x100 | 49.0 | | | | 2 | | | | Hornchurch | UK Youth Development U13/U15 League Division South Premier 2 | 19 Jun 16 |
| 4x100 | 49.9 | | | | 2 | | | | Harrow | UK Youth Development U13/U15 League Division South Premier 2 | 23 Apr 16 |
| 4x100 | 52.0 | | | | 2 | | | | Bracknell | Alder Valley Boys' League | 9 Apr 16 |
| 4x100 | 52.2 | | | | 1 | | | | Aldershot | Alder Valley Boys' League | 21 Aug 16 |
| 4x100 | 54.0 | | | | 5 | | | | Bedford | British Athletics League Division 4 | 4 Jun 16 |
| 4x300 | 2:47.3 | | | | 2 | | | | Croydon | UK Youth Development U13/U15 League Division South Premier 2 | 16 Jul 16 |
| 4x300 | 2:51.7 | | | | 2 | | | | Hornchurch | UK Youth Development U13/U15 League Division South Premier 2 | 19 Jun 16 |
| 4x300 | 2:54.1 | | | | 2 | | | | Tooting Bec | UK Youth Development U13/U15 League Division South Premier 2 | 21 May 16 |
| 4x300 | 2:58.1 | | | | 3 | | | | Harrow | UK Youth Development U13/U15 League Division South Premier 2 | 23 Apr 16 |
| 4x400 | 3:38.55 | | | | 4 | | | | Bedford | British Athletics League Division 4 | 4 Jun 16 |
| 2015 U15 City of Portsmouth |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.7 | | | | 3 | | | | Portsmouth | Wessex Young Athletes' League | 5 Jul 15 |
| 4x100 | 49.8 | | | | 3 | | | | Salisbury | Wessex Young Athletes' League | 12 Jul 15 |
| 4x100 | 50.1 | | | | 1 | | | | Guildford | UK Youth Development U13/U15 League Division South South/West 1 | 30 May 15 |
| 4x100 | 50.1 | | | | 2 | | | | Portsmouth | UK Youth Development U13/U15 League Division South South/West 1 | 21 Jun 15 |
| 4x100 | 50.5 | | | | 3 | | | | Perivale | UK Youth Development U13/U15 League Division South South/West 1 | 18 Jul 15 |
| 4x100 | 50.6 | | | | 2 | | | | Portsmouth | Wessex Young Athletes' League | 14 Jun 15 |
| 4x100 | 51.4 | | | | 2 | | | | Uxbridge | UK Youth Development U13/U15 League Division South South/West 1 | 2 May 15 |
| 4x300 | 2:54.3 | | | | 2 | | | | Portsmouth | UK Youth Development U13/U15 League Division South South/West 1 | 21 Jun 15 |
| 4x300 | 3:02.7 | | | | 4 | | | | Guildford | UK Youth Development U13/U15 League Division South South/West 1 | 30 May 15 |
| 4x300 | 3:05.2 | | | | 4 | | | | Uxbridge | UK Youth Development U13/U15 League Division South South/West 1 | 2 May 15 |
| 2014 U15 City of Portsmouth |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 50.6 | | | | 2 | | | | Horsham | UK Youth Development U13/U15 League Division Southern South 2 | 19 Jul 14 |
| 4x100 | 50.9 | | | | 2 | | | | Sandown | Wessex Young Athletes' League | 29 Jun 14 |
| 4x100 | 51.8 | | | | 1 | | | | Sandown | Wessex Young Athletes' League | 20 Jul 14 |
| 4x100 | 52.3 | | | | 1 | ns | | | Winchester | Wessex Young Athletes' League | 27 Apr 14 |
| 4x100 | 52.5 | | | | 3 | | | | Andover | Wessex Young Athletes' League | 8 Jun 14 |
| 4x100 | 53.3 | | | | 2 | | | | Bournemouth | UK Youth Development U13/U15 League Division Southern South 2 | 22 Jun 14 |
| 4x100 | 54.2 | | | | 2 | | | | Lewes | UK Youth Development U13/U15 League Division Southern South 2 | 31 May 14 |
| 4x100 | 56.1 | | | | 7 | | | | Portsmouth | UK Youth Development U13/U15 League Division Southern South 2 | 3 May 14 |
| 4x300 | 3:14.3 | | | | 5 | | | | Lewes | UK Youth Development U13/U15 League Division Southern South 2 | 31 May 14 |
| 4x300 | 3:16.8 | | | | 4 | | | | Portsmouth | UK Youth Development U13/U15 League Division Southern South 2 | 3 May 14 |
| 2013 U15 City of Portsmouth |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 50.5 | | | | 2 | | | | Portsmouth | Wessex Young Athletes' League | 16 Jun 13 |
| 4x100 | 51.1 | | | | 1 | | | | Portsmouth | UK Youth Development U13/U15 League Division Southern South 3a | 22 Jun 13 |
| 4x100 | 51.4 | | | | 1 | | | | Woking | UK Youth Development U13/U15 League Division Southern South 3a | 1 Jun 13 |
| 4x100 | 52.2 | | | | 1 | | | | Worthing | UK Youth Development U13/U15 League Division Southern South 3a | 13 Jul 13 |
| 4x100 | 53.5 | | | | 2 | | | | Portsmouth | UK Youth Development U13/U15 League Division Southern South 3a | 4 May 13 |
| 4x100 | 54.5 | | | | 5 | | | | Tidworth | Wessex Young Athletes' League | 21 Jul 13 |
| 4x100 | 54.9 | | | | 2 | | | | Basingstoke | Wessex Young Athletes' League | 21 Apr 13 |
| 4x300 | 2:55.9 | | | | 1 | | | | Portsmouth | UK Youth Development U13/U15 League Division Southern South 3a | 22 Jun 13 |
| 4x300 | 3:00.0 | | | | 1 | | | | Woking | UK Youth Development U13/U15 League Division Southern South 3a | 1 Jun 13 |
| 4x300 | 3:15.4 | | | | 4 | | | | Portsmouth | UK Youth Development U13/U15 League Division Southern South 3a | 4 May 13 |
| 2012 U15 City of Portsmouth |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 53.3 | | | | 2 | | | | Guildford | McCain Young Athletes' League Division Southern 1SWS | 20 May 12 |
| 4x100 | 56.2 | | | | 3 | | | | Woking | Wessex Young Athletes' League | 15 Apr 12 |
| 4x100 | 58.0 | | | | 4 | | | | Bournemouth | McCain Young Athletes' League Division Southern 1SWS | 6 May 12 |
| 2011 U15 City of Portsmouth |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 51.6 | | | | 1 | | | | Guildford | McCain Young Athletes League Southern 1 SW Division | 22 May 11 |
| 4x100 | 54.2 | | | | 2 | | | | Woking | McCain Young Athletes League Southern 1 SW Division | 19 Jun 11 |
| 4x100 | 56.3 | | | | 2 | | | | Winchester | McCain Young Athletes League Southern 1 SW Division Match 2 | 8 May 11 |
| 4x100 | 56.5 | | | | 3 | | | | Bournemouth | Wessex Young Athletes' League | 24 Jul 11 |
| 4x400 | 4:13.1 | | | | 1 | | | | Guildford | McCain Young Athletes League Southern 1 SW Division | 22 May 11 |
| 4x400 | 4:14.4 | | | | 2 | | | | Woking | McCain Young Athletes League Southern 1 SW Division | 19 Jun 11 |
| 4x400 | 4:14.9 | | | | 2 | | | | Winchester | McCain Young Athletes League Southern 1 SW Division Match 2 | 8 May 11 |
| 2010 U15 City of Portsmouth |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 52.9 | | | | 2 | | | | Winchester | McCain UK Young Athletes League Southern 1 SW | 18 Jul 10 |
| 4x100 | 57.8 | | | | 3 | | | | Guildford | McCain UK Young Athletes League Southern 1 SW | 16 May 10 |
| 4x100 | 59.2 | | | | 2 | | | | Winchester | McCain UK Young Athletes League Southern 1 SW | 2 May 10 |
| 4x400 | 4:07.0 | | | | 1 | | | | Guildford | McCain UK Young Athletes League Southern 1 SW - Match B | 20 Jun 10 |
| 4x400 | 4:07.5 | | | | 1 | | | | Guildford | McCain UK Young Athletes League Southern 1 SW | 16 May 10 |
| 4x400 | 4:10.4 | | | | 2 | | | | Winchester | McCain UK Young Athletes League Southern 1 SW | 18 Jul 10 |
| 2009 U15 City of Portsmouth |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.9 | | | | 1 | | | | Kingston | McCain UK Young Athletes League Southern One West | 31 May 09 |
| 2008 U15 City of Portsmouth |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.7 | | | | 2 | | | | Horspath | Wessex Young Athletes' League | 27 Jul 08 |