3 July 1988 at Egerton
| 500cc | RH Sidecars | Unlimited |
| 1- Rob Cameron | 1- Rob Wilson & Kevin Simmons | 1- Chris Tritton |
| 2- Chris Tritton | 2- Dave Heath & ANOther | 2- Duncan Tolhurst |
| 3- Phil Holder | 3- Chris Atkinson & Paul Baseby | 3- Phil Holder |
| 350cc | LH Sidecars | 250cc |
| 1- Jonathon Duke | 1- Bill Penfold & ANOther | 1- S. Dempsey |
| 2- Dave Mears | 2- Bob Miles & Keith Miles | 2- Jonathon Duke |
| 3- Neil Emmett | 3- Mick Cameron & ANOther | 3- John Dormer |