Junior Male Indoor Records
| Event | Age | Name | Time/Distance | Date | Venue |
|---|---|---|---|---|---|
| 60m | U15 | Daniel Sanchez | 7.39 | 12/01/2019 | Lee Valley |
| 60m | U17 | Tom Casson | 7.30 | 01/01/2017 | |
| 60m | U20 | Alex Hately | 7 | 03/12/2014 | Lee Valley |
| 60m | U23 | Alex Lee | 7.2 | 02/02/2014 | Sheffield |
| 60mH | U17 | Lewis Shepherd | 8.56 | 04/01/2015 | Cardiff |
| 60mH | U20 | Alex Lee | 8.47 | 27/02/2010 | Birmingham |
| 60mH | U23 | Alex Lee | 8.4 | 06/02/2013 | Birmingham |
| 200m | U15 | Tom Casson | 23.61 | 01/03/2015 | Sheffield |
| 200m | U17 | Ronnie Young | 23.52 | 15/01/2011 | Lee Valley |
| 200m | U20 | Alex Hately | 23 | 24/02/2013 | |
| 300m | U15 | Tom Casson | 37.96 | 28/02/2015 | Sheffield |
| 300m | U20 | Adam Booth | 35.93 | 19/12/2021 | NIAC Cardiff |
| 400m | U17 | Liam Nixon | 54.90 | 02/12/2018 | Welsh Athletics Junior Open, Cardiff |
| 400m | U20 | Adam Booth | 50.75 | 22/02/2020 | English National Indoor Age-Group Championships, Sheffield |
| 800m | U17 | Ashley Parker | 02:07.5 | 04/01/2015 | Cardiff |
| 800m | U20 | Jed Skilton | 01:57.76 | 05/02/2018 | Cardiff |
| 800m | U23 | Guy Perkins | 02:02.43 | 05/02/2018 | Cardiff |
| 1000m | U17 | George Walker | 03:17.1 | 03/03/2013 | |
| 1000m | U17 | Adam Booth | 03:09.6 | 17/12/2017 | Lee Valley |
| 1000m | U20 | Adam Carpenter | 02:46.6 | 10/01/2010 | |
| Pole Vault | U17 | Adam Carpenter | 4.26m | 12/12/2009 | Bath |
| Pole Vault | U20 | Adam Carpenter | 4.60m | 27/02/2010 | Birmingham |
| Long Jump | U17 | Adam Carpenter | 6.26m | 12/12/2009 | Bath |
| Long Jump | U20 | Jack Roach | 7.11m | 19/11/2014 | Gateshead |
| High Jump | U20 | Jack Roach | 2.05m | 21/02/2013 | Gateshead |
| Shot (5k) | U17 | George Walker | 11.22m | 02/03/2013 | |
| Shot (6K) | U20 | Adam Carpenter | 10.29m | 09/01/2010 | Sheffield |
| Heptathlon | U17 | Adam Booth | 3655 pts | 11/03/2018 | Sheffield |
| Heptathlon | U20 | Adam Booth | 4071 pts | 06/01/2019 | Sheffield |
