6 September 1981
| 500cc (Leukaemia Trophy) | 350cc | 250cc |
| 1- Gary Hickmott | 1- Gary Hickmott | 1- Nigel Bell |
| 2- Marc Edwards | 2- Chris Basey-Fisher | 2- Bernard Edwards |
| 3- Tony Reynolds | 3- Roland Duke | 3- D Wallace |
| RH Sidecars | LH Sidecars (Leukaemia Trophy) | |
| 1- Geoff Moorcock & Ken Spinks | 1- Jim Penfold & Steve Dempsey | |
| 2- Michael Glaysher & Bob Aldons | 2- Dave Steer & John Welstead | |
| 3- Paul Brayson & Carl Kay | 3- Dave Roberts & Dave Abbott |