10 July 1988 at Ugley
| 350cc | 500cc Sidecars | 250cc |
| 1- Andy Phillips | 1- Cecil Taylor & Dave Goodwin | 1- Andy Phillips |
| 2- Mark Simmonds | 2- Les Allerton & Dave Phelps | 2- Ian Rutter |
| 3- John Bostin |
3- Dave Howells & Jeremy Price | 3- Mark Wadsworth |
| 4- Rob Fortune | 4- Paul Miller & Russ Hill | 4- Mark Simmonds |
| 5- Mark Wadsworth | 5- Kevin Bundock & Julian Augor | 5- John Dormer |
| 6- Steve Carter | 6- Brian Palmer & Tony Cook | 6- Grant Faulkner |