4 July 2021 at Winchester
| British Championship 500cc | British Championship 350cc | British Championship 250cc |
| 1- Tony Atkin | 1- Luke Harris | 1- Chris Mackett |
| 2- Darren Phillips | 2- Chris Malone | 2- Phil Ranson |
| 3- Jason Prynne | 3- Tim Neal | 3- Richard Warry |
| 500cc | 350cc | 250cc |
| 1- James Shanes | 1- John Cox | 1- Cameron Taylor |
| 2- Jake Mulford | 2- Neil Taylor | Graham Thomas |
| 3- Chad Wirzfeld | 3- Ricky Sandford | 3- Ben Phillips |
| RH Sidecars | Pre 75s | Old & New |
| 1- Terry Saunters & Liam Brown | 1- Dave Hammond | 1- Mark Courtney & Leon Torres |
| 2- Trevor Heath & Sam Heath | 2- Gary Finlow | 2- Liam Brown & Frankie Courtney |
| 3- Clint Blondel & Jordan Smith | 3- Gary Kirtley-Paine | 3- Chris Tyrrell & Willow Jeffrey |