14 July 1968 at Donyatt
| 500cc | RH Sidecars | 250cc |
| 1- Lew Coffin | 1- Alan Martin & Norman Wager | 1- Fred Watts |
| 2- Tony Steggles | 2- Cecil Taylor | 2- Joe Hughes |
| 3- Denny Barber | 3- John Miell & David Miell | 3- Denny Barber |
| 350cc | ||
| 1- Tony Steggles | ||
| 2- Colin Sweby |