16 October 1988 at Lowsonford
| 500cc | 350cc | 250cc |
| 1- Nigel Harrhy | 1- Andy Wickham | 1- Dean Andrews |
| 2- Mike Beaumont | 2- Nigel Stanford | 2- Jason Hickman |
| 3- Andy Riley | 3- Rod Winterburn | 3- Simon Gittings |
| RH Sidecars | 500cc Sidecars | |
| 1- Mike Cookson & Peter Jones | 1- Kevin Leide & Alan Pithouse | |
| 2- Len Foreman & C. Knowles | 2- Mike Kilvert & Jim Crew | |
| 3- Shaun Ryan & Keith Wall | 3- Nick Yeomans & Andy Snape |