| U20 Men Outdoors | ||||
|---|---|---|---|---|
| 100m | Alex Marshall | 10.64 | 19/05/2019 | Loughborough |
| 150m | Alex Court | 17.4 | Deangate | |
| 200m | Alex Marshall | 21.43 | 01/06/2019 | Bedford |
| 300m | Dylan Purton | 34.02 | 02/09/2023 | Gillingham |
| 400m | Dylan Purton | 47.93 | 01/09/2024 | Gillingham |
| 600m | Chris Haines | 01:22.3 | 09/04/2007 | Tonbridge |
| 800m | Chris Haines | 01:53.4 | 17/06/2007 | Crystal Palace |
| 1500m | Jack Tyler | 03:49.8 | 05/05/2008 | Bedford |
| 1 mile | Adam Gilbert | 04:16.6 | 31/07/2013 | Cardiff |
| 3000m | Jack Tyler | 08:31.0 | 26/07/2008 | Crystal Palace |
| 5000m | Marley Godden | 15:56.5 | 18/08/2018 | St Albans |
| 110mH | Cheyne West Ed Harrison | 14.40 14.6 | 29/06/2024 29/05/2004 | Trinidad watford |
| 300mH | Tom Crowe | 42.2 | Crawley | |
| 400mH | Cheyne West | 52.18 | 28/08/2024 | Lima, Peru |
| 2000S/C | Steve Webb | 06:25.8 | 11/05/2002 | Crystal Palace |
| High Jump | Martin Brockman | 1.96 | 29/04/2006 | Deangate |
| Dan Alexander | 1.96 | 10/07/2011 | Hendon | |
| Long Jump | Stuart Hitchcock | 7.01 | 29/04/2007 | Ashford |
| Triple Jump | Darren March | 14.87 | 28/06/2009 | Bedford |
| Pole Vault | Gary Oakes | 3.6 | 09/06/2004 | Aldershot |
| Shot Putt | Shane Birch | 14.69 | 22/05/2005 | Erith |
| Discus | Shane Birch | 43.9 | 22/05/2005 | Erith |
| Javelin | Sonny Nash | 59.96 | 15/04/2017 | Gillingham |
| Hammer 6 Kg | Harry Blake | 46.14 | 07/09/2019 | Horspath |
| Hammer 7.26 Kg | Reece Perkins | 37.54 | 17/08/2019 | Gillingham |
| 4x100 | Josh Osarentin, Cheyne West, Cameron Isaac, Daniel Shoyoye | 43.1 | 08/09/2024 | Bromley |
| 4x200 | Lorcan Rodgers/Nathan Isaac/Reegan Archer/Conor Murphy | 01:31.7 | 22/09/2019 | Gillingham |
| 4x400 | Michael Baker/Jack Tyler, Luke Smallwood/Chris Haines | 03:22.8 | 29/04/2007 | Ashford |
| 4x400 Mixed | Amber Matthews, Ethan Rollings, Annabel Young, Theo Ronchetti | 03:41.07 | 25/08/2024 | Birmingham |
| Decathlon | Mark Cryer | 6261 | 26/05/2012 | Bedford |
| U20 Men Indoors | ||||
|---|---|---|---|---|
| 60m | Alex Marshall | 6.96 | 18/03/2018 | Lee Valley |
| 200m | Alex Marshall | 21.99 | 17/03/2018 | Lee Valley |
| 300m | Luke Smallwood | 35.19 | 15/12/2007 | Sheffield |
| 400m | Luke Smallwood | 48.7 | 24/02/2007 | Sheffield |
| 800m | Callum Featherstone | 2:04.25 | 16/03/2024 | Lee Valley |
| 1500m | ||||
| 3000m | ||||
| 60mH | Cheyne West | 8.03 | 03/02/2024 | Lee Valley |
| High Jump | Tom Howlett Joe Thurgood | 1.9 | 26/01/2012 11/12/2016 | Lee Valley Lee Valley |
| Triple Jump | Kieran Isaac | 11.82 | 19/03/2023 | Lee Valley |
| Long Jump | Mark Cryer | 6.62 | 07/01/2012 | Sheffield |
| Pole Vault | Alex Wharfe | 3.65 | 29/01/2011 | Lee Valley |
| Shot Putt-7.26 | Mark Cryer | 9.77 | 08/02/2012 | Birmingham |
| Shot Putt-6.0 | Jack Royden | 13.35 | 14/01/2018 | Lee Valley |
| Heptathlon | Joe Thurgood | 4344 pts | 17-18/12/2016 | Lee Valley |