12 October 1980 at Monkhopton
| Solo Unlimited | 351-500cc Solos | RH Sidecars |
| Fortex Trophy | 1- Gerald Short | Whacker Westwood Trophy |
| 1- Clayton Williams | 2- Steve Schofield | 1- Pete J Brown & John Morron |
| 2- Neil Farnish | 3- Clint Ward | 2- Paul Pinfold & Rob Henderson |
| 3- Steve Schofield | 3- Alan Artus & Frank Burke | |
| upto 350cc Solo | RH Sidecars | |
| 1- Steve Schofield | 1- Alan Artus & Frank Burke | |
| 2- Clayton Williams | 2- Paul Pinfold & Rob Henderson | |
| 3- Mark Wadsworth | 3- Steve Smith & Trevor Pye |