Under-20 Women | Hammer 4kg | 1 May 1993 | Wimbledon Park | 30.56m | CBP | Siobhan Hart | (Guildford & Godalming AC) |
Under-20 Women | Hammer 4kg | 14 May 1994 | Croydon Arena | 1.70m | | Alanna Dearden | (Kingston AC & Polytechnic Harriers) |
Under-20 Women | Hammer 4kg | 14 May 1994 | Croydon Arena | 34.06m | CBP | Siobhan Hart | (Guildford & Godalming AC) |
Under-20 Women | Hammer 4kg | 13 May 1995 | Croydon Arena | 33.82m | | Jill Harnett | (South London Harriers) |
Under-20 Women | Hammer 4kg | 11 May 1996 | Croydon Arena | 36.40m | CBP | Christina Bennett | (Epsom & Ewell Harriers) |
Under-20 Women | Hammer 4kg | 11 May 1997 | Wimbledon Park | 39.54m | CBP | Christina Bennett | (Epsom & Ewell Harriers) |
Under-20 Women | Hammer 4kg | 9 May 1998 | Kingsmeadow Stadium | 44.84m | CBP | Clara Thompson | ((St Marys U)) |
Under-20 Women | Hammer 4kg | 8 May 1999 | Kingsmeadow Stadium | 39.37m | | Belinda Heil | (Croydon Harriers) |
Under-20 Women | Hammer 4kg | 13 May 2000 | Croydon Arena | 42.39m | CBP | Belinda Heil | (Croydon Harriers) |
Under-20 Women | Hammer 4kg | 12 May 2001 | Kingsmeadow Stadium | 45.97m | CBP | Belinda Heil | (Croydon Harriers) |
Under-20 Women | Hammer 4kg | 12 May 2002 | Kingsmeadow Stadium | 38.62m | | Helen Ephgrave | (Guildford & Godalming AC) |
Under-20 Women | Hammer 4kg | 11 May 2003 | Kingsmeadow Stadium | 46.76m | CBP | Helen Ephgrave | (Guildford & Godalming AC) |
Under-20 Women | Hammer 4kg | 16 May 2004 | Kingsmeadow Stadium | 29.56m | | Jade Lally | (Hercules Wimbledon AC) |
Under-20 Women | Hammer 4kg | 15 May 2005 | Kingsmeadow Stadium | 35.77m | | Kelesha Smith | (Croydon Harriers) |
Under-20 Women | Hammer 4kg | 14 May 2006 | Kingsmeadow Stadium | 35.53m | | Kalesha Smith | (Croydon Harriers) |
Under-20 Women | Hammer 4kg | 9 May 2010 | Kingsmeadow Stadium | 36.54m | | Pippa Wingate | (Kingston AC & Polytechnic Harriers) |
Under-20 Women | Hammer 4kg | 15 May 2011 | Kingsmeadow Stadium | 46.48m | | Pippa Wingate | (Kingston AC & Polytechnic Harriers) |
Under-20 Women | Hammer 4kg | 13 May 2012 | Kingsmeadow Stadium | 49.06m | CBP | Pippa Wingate | (Kingston AC & Polytechnic Harriers) |
Under-20 Women | Hammer 4kg | 26 May 2013 | Kingsmeadow Stadium | 32.29m | | Alex Bartle | (Kingston AC & Polytechnic Harriers) |
Under-20 Women | Hammer 4kg | 25 May 2014 | Kingsmeadow Stadium | 37.97m | | Tamara Reid | (Croydon Harriers) |
Under-20 Women | Hammer 4kg | 24 May 2015 | Kingsmeadow Stadium | 34.57m | | Emma Fossett | (Croydon Harriers) |
Under-20 Women | Hammer 4kg | 15 May 2016 | Kingsmeadow Stadium | 43.82m | | Sophie Mace | (Walton AC) |
Under-20 Women | Hammer 4kg | 14 May 2017 | Kingsmeadow Stadium | 48.77m | | Sophie Mace | (Walton AC) |
Under-20 Women | Hammer 4kg | 13 May 2018 | Kingsmeadow Stadium | 38.80m | | Jessica Pelham | (Guildford & Godalming AC) |
Under-20 Women | Hammer 4kg | 12 May 2019 | Kingsmeadow Stadium | 37.01m | | Jessica Pelham | (Guildford & Godalming AC) |
Under-20 Women | Hammer 4kg | 1 August 2021 | Kingsmeadow Stadium | 32.29m | | Eva West | (Walton AC) |
Under-20 Women | Hammer 4kg | 15 May 2022 | Kingsmeadow Stadium | 40.69m | | Christiana Kamdom Kemegne | (Croydon Harriers) |
Under-20 Women | Hammer 4kg | 14 May 2023 | Kingsmeadow Stadium | 46.35m | | Christiana Kamdom Kemegne | (Croydon Harriers) |