15 June 1980 at Ugley
| 500cc | 350cc | 250cc |
| 1- Steve Schofield | 1- Steve Schofield | 1- Jeremy Doncaster |
| 2- Tony Steggles | 2- Martin Hagon | 2- Richard Wakeling |
| 3- Jeremy Doncaster | 3- Paul Cotton | 3- Mark Lewis |
| RH Sidecars | 500cc Sidecars | |
| 1- Dave Manning & Peter Blanke | 1- John Burroughs & Gregory Clarke-Ward | |
| 2- Brian Luker & David Day | 2- C. Walters & R. Olive | |
| 3- Paul Mansell & Peter Finch | 3- A. Spraggs & G. Bell |