| 2018 U15 Herne Hill |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.61 | | | | 4 | | | | Olympic Park | IAAF Diamond League Anniversary Games | 22 Jul 18 |
| 4x100 | 46.31 | | | | 1 | | | | Carshalton | Surrey / Sussex County Walks / Steeplechase Championships | 9 Sep 18 |
| 4x100 | 46.8 | | | | 3 | | | | Croydon | UK Youth Development U13/U15 League Division South Premier 2 | 21 Jul 18 |
| 4x100 | 47.6 | | | | 2 | | | | Eton | UK Youth Development U13/U15 League Division South Premier 2 | 21 Apr 18 |
| 4x100 | 48.1 | | | | 3 | | | | Portsmouth | UK Youth Development U13/U15 League Division South Premier 2 | 17 Jun 18 |
| 4x100 | 48.2 | | | | 2 | | | | Tooting Bec | UK Youth Development U13/U15 League Division South Premier 2 | 19 May 18 |
| 4x100 | 48.9 | | | | 2 | A | | | Coulsdon | Ebbisham Boys' League Division 1 | 10 Jun 18 |
| 4x100 | 50.5 | | | | 2 | A | | | Walton | Ebbisham Boys' League Division 1 | 8 Jul 18 |
| 4x100 | 51.0 | | | | 2 | | | | Carshalton | South London Athletics Network Super 8 Series | 19 Aug 18 |
| 4x100 | 52.6 | | | | 3 | | | | Carshalton | South London Athletics Network Super 8 Series | 19 Aug 18 |
| 4x100 | 58.2 | | | | 4 | A | | | Ewell | Ebbisham Boys' League Division 1 | 29 Apr 18 |
| 4x100 | 63.3 | | | | 2 | | | | Coulsdon | South London Athletics Network Super 8 Series | 29 Jul 18 |
| 4x300 | 2:47.2 | | | | 2 | | | | Portsmouth | UK Youth Development U13/U15 League Division South Premier 2 | 17 Jun 18 |
| 4x300 | 2:47.90 | | | | 1 | | | | Carshalton | Surrey / Sussex County Walks / Steeplechase Championships | 9 Sep 18 |
| 4x300 | 2:48.8 | | | | 3 | | | | Croydon | UK Youth Development U13/U15 League Division South Premier 2 | 21 Jul 18 |
| 4x300 | 2:54.0 | | | | 3 | | | | Eton | UK Youth Development U13/U15 League Division South Premier 2 | 21 Apr 18 |
| 4x300 | 2:57.7 | | | | 3 | | | | Tooting Bec | UK Youth Development U13/U15 League Division South Premier 2 | 19 May 18 |
| 2017 U15 Herne Hill |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.18 | | | | 5 | | | | Olympic Park | Muller Anniversary Games | 9 Jul 17 |
| 4x100 | 47.97 | | | | 1 | | | | Carshalton | Surrey County Combined Events Championships | 10 Sep 17 |
| 4x100 | 48.7 | | | | 2 | | | | Bedford | UK Youth Development U13/U15 League Division South Premier 2 | 16 Jul 17 |
| 4x100 | 48.8 | | | | 3 | | | | Tonbridge | UK Youth Development U13/U15 League Division South Premier 2 | 18 Jun 17 |
| 4x100 | 48.9 | | | | 3 | | | | Chelmsford | UK Youth Development U13/U15 League Division South Premier 2 | 20 May 17 |
| 4x100 | 49.2 | | | | 1 | | | | Coulsdon | South London Athletics Network Super 8 U13 / U15 Young Athletes' Open | 30 Jul 17 |
| 4x100 | 50.7 | | | | 3 | | | | Reading | UK Youth Development U13/U15 League Division South Premier 2 | 22 Apr 17 |
| 4x100 | 51.5 | | | | 2 | | | | Coulsdon | South London Athletics Network Super 8 U13 / U15 Young Athletes' Open | 30 Jul 17 |
| 4x100 | 52.0 | | | | 1 | | | | Carshalton | SLAN Super 8 U13 / U15 Young Athletes' Open | 20 Aug 17 |
| 4x200 | 1:44.3 | | | | 1 | ns | | | Kingston | Ebbisham Boys' League Division 2 & Non Scoring | 4 Jun 17 |
| 4x200 | 1:45.5 | | | | 2 | | | | Carshalton | Ebbisham Boys' League Division 1 | 30 Apr 17 |
| 4x200 | 1:46.1 | | | | 1 | A | | | Kingston | Ebbisham Boys' League Division 1 | 4 Jun 17 |
| 4x200 | 1:51.3 | | | | 3 | | | | Coulsdon | Ebbisham Boys' League Division 1 | 9 Jul 17 |
| 4x300 | 2:42.94 | | | | 2 | | | | Carshalton | Surrey County Combined Events Championships | 10 Sep 17 |
| 4x300 | 2:49.2 | | | | 4 | | | | Tonbridge | UK Youth Development U13/U15 League Division South Premier 2 | 18 Jun 17 |
| 4x300 | 2:52.5 | | | | 3 | | | | Bedford | UK Youth Development U13/U15 League Division South Premier 2 | 16 Jul 17 |
| 4x300 | 2:56.2 | | | | 4 | | | | Chelmsford | UK Youth Development U13/U15 League Division South Premier 2 | 20 May 17 |
| 4x300 | 2:59.4 | | | | 4 | | | | Reading | UK Youth Development U13/U15 League Division South Premier 2 | 22 Apr 17 |
| 2016 U15 Herne Hill |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 50.37 | | | | 7 | | | | Olympic Park | IAAF Diamond League Meeting | 22 Jul 16 |
| 4x100 | 50.45 | | | | 3 | | | | Carshalton | Surrey County Combined Events / Relay Championships & Open | 10 Sep 16 |
| 4x100 | 50.6 | | | | 4 | | | | Hornchurch | UK Youth Development U13/U15 League Division South Premier 2 | 19 Jun 16 |
| 4x100 | 51.2 | | | | 5 | | | | Harrow | UK Youth Development U13/U15 League Division South Premier 2 | 23 Apr 16 |
| 4x100 | 51.8 | | | | 3 | | | | Wimbledon | South London Network Super 8 Series | 4 Sep 16 |
| 4x100 | 51.9 | | | | 3 | | | | Tooting Bec | UK Youth Development U13/U15 League Division South Premier 2 | 21 May 16 |
| 4x100 | 52.8 | | | | 6 | | | | Croydon | UK Youth Development U13/U15 League Division South Premier 2 | 16 Jul 16 |
| 4x100 | 55.0 | | | | 2 | | | | Coulsdon | South London Athletics Network Super 8 | 7 Aug 16 |
| 4x100 | 56.9 | | | | 3 | | | | Coulsdon | South London Athletics Network YA Development | 28 May 16 |
| 4x100 | 60.3 | | | | 5 | | | | Wimbledon | South London Network Super 8 Series | 4 Sep 16 |
| 4x200 | 1:52.2 | | | | 4 | A | | | Coulsdon | Ebbisham Boys' League Division 1 & Non Scoring | 10 Jul 16 |
| 4x200 | 1:53.2 | | | | 4 | A | | | Tooting | Ebbisham Boys' League Division 1 & Non Scoring | 26 Jun 16 |
| 4x300 | 2:48.13 | | | | 2 | | | | Carshalton | Surrey County Combined Events / Relay Championships & Open | 10 Sep 16 |
| 4x300 | 2:57.4 | | | | 6 | | | | Croydon | UK Youth Development U13/U15 League Division South Premier 2 | 16 Jul 16 |
| 4x300 | 3:07.8 | | | | 5 | | | | Tooting Bec | UK Youth Development U13/U15 League Division South Premier 2 | 21 May 16 |
| 4x300 | 3:24.2 | | | | 6 | | | | Harrow | UK Youth Development U13/U15 League Division South Premier 2 | 23 Apr 16 |
| 2015 U15 Herne Hill |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.40 | | | | 4 | | | | Olympic Park | Sainsbury's Anniversary Games | 24 Jul 15 |
| 4x100 | 48.2 | | | | 3 | | | | Eton | UK Youth Development U13/U15 League Division South Premier 2 | 18 Jul 15 |
| 4x100 | 50.22 | | | | 3 | | | | Lee Valley | UK Youth Development U13/U15 League Division South Premier 2 | 21 Jun 15 |
| 4x100 | 50.5 | | | | 2 | | | | Crawley | UK Youth Development U13/U15 League Division South Premier 2 | 2 May 15 |
| 4x100 | 53.7 | | | | 2 | | | | Wimbledon | SLAN Super 8 Young Athletes' Open | 6 Sep 15 |
| 4x100 | 57.4 | | | | 2 | | | | Wimbledon | SLAN Super 8 Young Athletes' Open | 2 Aug 15 |
| 4x100 | 62.7 | | | | 1 | | | | Carshalton | SLAN Super 8 Young Athletes' Open | 23 Aug 15 |
| 4x100 | 64.0 | | | | 2 | | | | Carshalton | SLAN Super 8 Young Athletes' Open | 23 Aug 15 |
| 4x100 | 65.4 | | | | 3 | | | | Carshalton | SLAN Super 8 Young Athletes' Open | 23 Aug 15 |
| 4x200 | 1:45.7 | | | | 2 | ns | | | Walton | Ebbisham Boys' League - Division 1 | 12 Jul 15 |
| 4x200 | 1:46.3 | | | | 2 | A | | | Coulsdon | Ebbisham Boys' League - Division 1 | 14 Jun 15 |
| 4x200 | 1:47.60 | | | | 2 | | | | Carshalton | Surrey County Combined Events Championships | 12 Sep 15 |
| 4x200 | 1:48.4 | | | | 2 | | | | Walton | Ebbisham Boys' League - Division 1 | 12 Jul 15 |
| 4x200 | 1:53.5 | | | | 1 | ns | | | Coulsdon | Ebbisham Boys' League - Division 1 | 14 Jun 15 |
| 4x200 | 2:04.8 | | | | 3 | ns | | | Walton | Ebbisham Boys' League - Division 1 | 12 Jul 15 |
| 4x300 | 2:46.58 | | | | 4 | | | | Lee Valley | UK Youth Development U13/U15 League Division South Premier 2 | 21 Jun 15 |
| 4x300 | 2:46.9 | | | | 2 | | | | Eton | UK Youth Development U13/U15 League Division South Premier 2 | 18 Jul 15 |
| 4x300 | 3:00.6 | | | | 5 | | | | Crawley | UK Youth Development U13/U15 League Division South Premier 2 | 2 May 15 |
| 2014 U15 Herne Hill |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.0 | | | | 5 | | | | Reading | UK Youth Development U13/U15 League Division Southern Premier 1 | 31 May 14 |
| 4x100 | 49.4 | | | | 3 | | | | Tooting Bec | UK Youth Development U13/U15 League Division Southern Premier 1 | 19 Jul 14 |
| 4x100 | 49.7 | | | | 5 | | | | Bromley | UK Youth Development U13/U15 League Division Southern Premier 1 | 22 Jun 14 |
| 4x100 | 50.8 | | | | 5 | | | | Southampton | UK Youth Development U13/U15 League Division Southern Premier 1 | 3 May 14 |
| 4x100 | 51.48 | | | | 2 | | | | Carshalton | Surrey & Open Combined Events & Steeplechase Championships | 14 Sep 14 |
| 4x100 | 52.1 | | | | 1 | | | | Coulsdon | South London Athletics Network Super 8 Open | 7 Sep 14 |
| 4x100 | 52.9 | | | | 2 | | | | Carshalton | South London Athletics Network Trophy Meeting Open | 24 Aug 14 |
| 4x100 | 53.3 | | | | 2 | | | | Wimbledon | South London Athletics Network Super 8 | 3 Aug 14 |
| 4x200 | 1:44.17 | | | | 2 | | | | Carshalton | Surrey & Open Combined Events & Steeplechase Championships | 14 Sep 14 |
| 4x200 | 1:49.4 | | | | 3 | | | | Walton | Ebbisham Boys' League Division 1 | 8 Jun 14 |
| 4x200 | 1:50.7 | | | | 3 | A | | | Kingston | Ebbisham Boys' League Division 1 | 18 May 14 |
| 4x200 | 1:59.0 | | | | 5 | | | | Coulsdon | Ebbisham Boys' League Division 1 | 6 Jul 14 |
| 4x300 | 2:52.1 | | | | 6 | | | | Bromley | UK Youth Development U13/U15 League Division Southern Premier 1 | 22 Jun 14 |
| 4x300 | 2:57.7 | | | | 6 | | | | Reading | UK Youth Development U13/U15 League Division Southern Premier 1 | 31 May 14 |
| 4x300 | 3:05.0 | | | | 4 | | | | Southampton | UK Youth Development U13/U15 League Division Southern Premier 1 | 3 May 14 |
| 2013 U15 Herne Hill |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 46.5 | | | | 1 | | | | Winchester | UK Youth Development U13/U15 League Division Southern Premier 2 | 1 Jun 13 |
| 4x100 | 47.24 | | | | 1 | | | | Croydon | UK Youth Development U13/U15 League Division Southern Premier 2 | 4 May 13 |
| 4x100 | 48.23 | | | | 1 | | | | Carshalton | Surrey County Combined Events Championships | 7 Sep 13 |
| 4x100 | 49.2 | | | | 2 | | | | Southampton | UK Youth Development U13/U15 League Division Southern Premier 2 | 22 Jun 13 |
| 4x200 | 1:38.5 | | | | 1 | | | | Walton | Ebbisham Boys' League Division 1 & non scoring | 21 Jul 13 |
| 4x200 | 1:41.5 | | | | 1 | A | | | Carshalton | Ebbisham Boys' League Division 1 | 14 Apr 13 |
| 4x200 | 1:44.30 | | | | 1 | | | | Carshalton | Surrey County Combined Events Championships | 7 Sep 13 |
| 4x300 | 2:38.2 | | | | 1 | | | | Winchester | UK Youth Development U13/U15 League Division Southern Premier 2 | 1 Jun 13 |
| 4x300 | 2:45.7 | | | | 1 | | | | Carshalton | UK Youth Development U13/U15 League Division Southern Premier 2 | 13 Jul 13 |
| 4x300 | 2:55.09 | | | | 2 | | | | Croydon | UK Youth Development U13/U15 League Division Southern Premier 2 | 4 May 13 |
| 4x300 | 3:02.2 | | | | 4 | | | | Southampton | UK Youth Development U13/U15 League Division Southern Premier 2 | 22 Jun 13 |
| 2012 U15 Herne Hill |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4X100 | 48.3 | | | | 3 | A | | | Harrow | McCain Young Athletes' League Division Southern Premier NW | 17 Jun 12 |
| 4x100 | 48.63 | | | | 1 | | | | Carshalton | Surrey County Combined Events & Steeplechase Championships | 9 Sep 12 |
| 4x100 | 49.1 | | | | 1 | | | | Lee Valley | McCain Young Athletes' League Division Southern Premier NW | 6 May 12 |
| 4x200 | 1:39.4 | | | | 2 | | | | Croydon | Ebbisham Boys' League Division 1 | 15 Jul 12 |
| 4x200 | 1:41.8 | | | | 1 | | | | Carshalton | Ebbisham Boys' League - Division 1 | 15 Apr 12 |
| 4x200 | 1:42.7 | | | | 2 | | | | Walton | Ebbisham Boys' League Match 1 | 24 Jun 12 |
| 4X300 | 2:44.2 | | | | 1 | A | | | Harrow | McCain Young Athletes' League Division Southern Premier NW | 17 Jun 12 |
| 4x300 | 2:50.2 | | | | 1 | | | | Lee Valley | McCain Young Athletes' League Division Southern Premier NW | 6 May 12 |
| 2011 U15 Herne Hill |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 46.1 | | | | 1 | | | | Lee Valley | McCain Young Athletes League Southern Premier E Division Match 2 | 8 May 11 |
| 4x100 | 46.7 | | | | 1 | | | | Croydon | McCain Young Athletes League Southern Premier E Division | 22 May 11 |
| 4x100 | 48.06 | | | | 2 | | | | Tonbridge | McCain Young Athletes League Southern Premier E Division Match 2 | 5 Jun 11 |
| 4x200 | 1:38.7 | | | | 1 | | | | Carshalton | Ebbisham League - Division 1 | 10 Apr 11 |
| 4x200 | 1:45.3 | | | | 3 | | | | Croydon | Ebbisham Boys' League Match 1 | 24 Jul 11 |
| 4x200 | 1:46.3 | | | | 3 | | | | Walton | Ebbisham Boys' League Match 1 | 26 Jun 11 |
| 4x200 | 1:50.6 | | | | 1 | | | | Walton | Ebbisham Boys' League Non Scoring | 26 Jun 11 |
| 4x400 | 4:13.8 | | | | 2 | | | | Lee Valley | McCain Young Athletes League Southern Premier E Division Match 2 | 8 May 11 |
| 4x400 | 4:24.6 | | | | 2 | | | | Walthamstow | McCain Young Athletes League Southern Premier E Division | 19 Jun 11 |
| 4x400 | 4:25.0 | | | | 3 | | | | Croydon | McCain Young Athletes League Southern Premier E Division | 22 May 11 |
| 2010 U15 Herne Hill |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.5 | | | | 2 | | | | Watford | McCain UK Young Athletes League Southern Premier E | 18 Jul 10 |
| 4x100 | 48.5 | | | | 1 | | | | Battersea Park | McCain UK Young Athletes League Southern Premier E | 20 Jun 10 |
| 4x100 | 49.80 | | | | 2 | | | | Croydon | McCain UK Young Athletes League Southern Premier E | 16 May 10 |
| 4x200 | 1:40.9 | | | | 1 | | | | Walton | Ebbisham Boys' League - Division 1 | 25 Jul 10 |
| 4x200 | 1:45.8 | | | | 1 | A | | | Croydon | Ebbisham Boys' League 1 | 4 Jul 10 |
| 4x400 | 4:08.39 | | | | 3 | | | | Croydon | McCain UK Young Athletes League Southern Premier E | 16 May 10 |
| 4x400 | 4:15.9 | | | | 3 | | | | Watford | McCain UK Young Athletes League Southern Premier E | 18 Jul 10 |
| 4x400 | 4:19.5 | | | | 2 | | | | Battersea Park | McCain UK Young Athletes League Southern Premier E | 20 Jun 10 |
| 2009 U15 Herne Hill |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| RELAY | 45:12 | | | | 31 | | | | Aldershot | Southern Counties Young Athletes' Relays | 26 Sep 09 |
| 4x100 | 49.69 | | | | 2 | | | | Crystal Palace | Hercules Wimbledon Young Athletes Open | 19 Apr 09 |
| 4x100 | 49.8 | | | | 2 | | | | St. Albans | McCain UK Young Athletes League Southern One East | 3 May 09 |
| 4x100 | 50.0 | | | | 1 | A | | | Battersea Park | McCain UK Young Athletes League Southern One East | 21 Jun 09 |
| 4x100 | 51.7 | | | | 3 | A | | | Battersea Park | McCain UK Young Athletes League Southern One East | 19 Jul 09 |
| 4x200 | 1:49.2 | | | | 2 | A | | | Woking | Ebbisham Boys League | 7 Jun 09 |
| 4x400 | 4:30.6 | | | | 3 | A | | | Battersea Park | McCain UK Young Athletes League Southern One East | 21 Jun 09 |
| 4x400 | 4:33.8 | | | | 3 | A | | | Battersea Park | McCain UK Young Athletes League Southern One East | 19 Jul 09 |
| 2008 U15 Herne Hill |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 49.2 | | | | 2 | | | | Barking | UKA Young Athletes League Southern Premier | 1 Jun 08 |
| 4x100 | 49.4 | | | | 2 | | | | Crystal Palace | Hercules Wimbledon Young Athletes' Meeting | 14 Sep 08 |
| 4x200 | 1:42.0 | | | | 2 | | | | Carshalton | Ebbisham League Division 1 | 29 Jun 08 |
| 4x200 | 1:42.5 | | | | 2 | | | | Kingston | Ebbisham League | 3 Aug 08 |
| 2007 U15 Herne Hill |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 48.9 | | | | 1 | | | | Perivale | UKA Young Athletes League Southern 1E | 6 May 07 |
| 4x100 | 49.3 | | | | 2 | | | | Carshalton | UKA Young Athletes League Southern 1 East | 22 Jul 07 |
| 4x100 | 49.5 | | | | 1 | | | | Battersea Park | UKA Young Athletes League Southern 1E | 3 Jun 07 |
| 4x100 | 49.9 | | | | 1 | | | | Canterbury | UKA Young Athletes League Southern 1E | 20 May 07 |
| 4x200 | 1:40.4 | | | | 1 | | | | Kingston | Ebbisham League Match 1 | 17 Jun 07 |
| 4x200 | 1:40.8 | | | | 1 | | | | Kingston | Ebbisham League | 5 Aug 07 |
| 4x400 | 4:17.1 | | | | 1 | | | | Canterbury | UKA Young Athletes League Southern 1E | 20 May 07 |