11 September 1988 at Braintree
| 500cc | 350cc | 250cc |
| 1- Duncan Tolhurst | 1- Steve Carter | 1- Adrian Mower |
| 2- Carl Squirrell | 2- Andy Stevens | 2- Steve Hines |
| 3- Steve Wilson | 3- Dave Mears | 3- Chris Norris |
| RH Sidecars | 500cc Sidecars | |
| 1- Dave Winch & Geoff Winch | 1- Geoff Moorcock & Lynn Moorcock | |
| 2- H. Johnson & J. Fisher | 2- Chris Barton & Dave Collins | |
| 3- Roger Jasper & Mervyn Ridgewell | 3- Rob Skipper & Chris Ayckbourne |