Monday 25 August 1980
| 500cc | RH Sidecars | 350cc |
| 1- Simon Wigg | 1- Roger Measor & Geoff Measor | 1- Duncan Tolhurst |
| 2- Gerald Short | 2- Pete Robson & Clive Fry | 2- Brian Webb |
| 3- Brian Webb | 3- Dave Heath & Ray Andrews | 3- Paul Cotton |
| LH Sidecars | 250cc | 500cc Sidecars |
| 1- Ernie Penfold & Nigel Shaw | 1- Jeremy Doncaster | 1- Clyde Cardy & Allan Morrison |
| 2- John Penfold & Bob Penfold | 2- Richard Wakeling | 2- Geoff Eyears & Steve Eyears |
| 3- Dave Steer & Alan Marshall | 3- Keith Sivier | 3- Steve Smith & Trevor Pye |
3 August 1980 at Keylands
| Unlimited | LH Sidecars (2) | 500cc |
| 1- David Spain | 1- Mick Turrell & Tony Stevens | 1- Martin Goodwin |
| 2- Tom Wilson | 2- John Penfold & Bob Penfold | 2- David Spain |
| 3- Gary Hickmott | 3- Chris Ormerod & Brian Metson | 3- Gary Ruffle |
| LH Sidecars (1) | RH Sidecars (2) | RH Sidecars (1) |
| 1- Mick Turrell & Tony Stevens | 1- Michael Baxter & Danny Tully | 1- Charlie Coleman & Adam Cowper-Smith |
| 2- Barry Huggett & John Tysoe | 2- M. Cox & D. Wise | 2- Rob Wilson & Vaughan Roberts |
| 3- Ernie Penfold & Nigel Shaw | 3- Rob Wilson & Vaughan Roberts | 3- Brian Luker & David Day |
| 350cc | LH Sidecars (Hare & Hounds) | 250cc |
| 1- David Spain | 1- John Penfold & Bob Penfold | 1- Bernie Edwards |
| 2- Les Card | 2- Ernie Penfold & Nigel Shaw | 2- Graham Burgess |
| 3- Barry Hazelton | 3- Jim Penfold & Stephen Dempsey | 3- Brian Cornelius |
18 May 1980 at Keylands
| Unlimited | LH Sidecars (2) | 500cc |
| 1- Brian Webb | 1- Mick Turrell & Tony Stevens | 1- Graham Hurry |
| 2- Jeremy Doncaster | 2- John Penfold & Bob Penfold | 2- Martin Goodwin |
| 3- Martin Goodwin | 3- Ken Jenkins & Tim Dore | 3- Jeremy Doncaster |
| LH Sidecars (1) | RH Sidecars (2) | RH Sidecars (1) |
| 1- Mick Turrell & Tony Stevens | 1- Ken Thorpe & George Carter | 1- Rob Wilson & Vaughan Roberts |
| 2- Barry Huggett & John Tysoe | 2- Rob Wilson & Vaughan Roberts | 2- Ken Thorpe & George Carter |
| 3- Alan Luker & David Sceats | 3- Paul Mansell & Peter Finch | 3- Charlie Coleman & Adam Cowper-Smith |
| 350cc | 250cc | |
| 1- Brian Webb | 1- Jeremy Doncaster | |
| 2- Jeremy Doncaster | 2- Ray Watson | |
| 3- David Spain | 3- Keith Sivier |