2 September 1979 at Brookland, Kent
| Unlimited | LH Sidecars (Presidents Trophy) | 500cc – 650cc |
| 1- Brian Webb | 1- Mick Turrell & Tony Strevens | 1- Martin Hagon |
| 2- Steve Schofield | 2- John Penfold & Bob Penfold | 2- Gary Hickmott |
| 3- Martin Goodwin | 3- Barry Huggett & John Tysoe | 3- Keith Sivier |
| 350cc | RH Sidecars (RH Sidecar Trophy) | 250cc |
| 1- Graham Hurry | 1- Dennis Brewster & Frank Burke | 1- Martin Goodwin |
| 2- Steve Schofield | 2- Rob Wilson & Vaughan Roberts | 2- Ray Watson |
| 3- Keith Pritchard | 3- Brian Luker & David Day | 3- Bernie Edwards |
| LH Sidecars (Mrs Adams Trophy) | Invitation | RH Sidecars |
| 1- Mick Turrell & Tony Strevens | 1- Brian Webb | 1- Dennis Brewster & Frank Burke |
| 2- Ernie Penfold & Tom Penfold | 2- Steve Schofield | 2- Rob Wilson & Vaughan Roberts |
| 3- Jeremy Knight & David Apps | 3- David Spain | 3- Alan Clark & Dave Pope |