5 May 1968 at Whittlesey Showground
| 500cc | RH Sidecars | 350cc |
| 1- Bill Bridgett | 1- Dave Hunt & Dave Moore | 1- Bill Bridgett |
| 2- Dennis Barber | 2- Dave Hunter & Brian Cox | 2- Monty Banks |
| 3- Tony Steggles | 3- Alan Jones & Bill Thompson | 3- Tony Steggles |
| 4- Richard Greer | 4- Glyn Lloyd & John Bryan | 4- Roy Oldacre |
| 5- Mervyn Price | 5- Dave Nourish & Tim Harrington | 5- Colin Sweby |
| 6- Jackie Sewell | 6- John Whittacker & Tony Coe | 6- Colin Packman |
| 250cc | ||
| 2- Dennis Barber | ||
| 6- Colin Packman | ||
| 3- Mervyn Price | ||
| 4- Andy Ross | ||
| 5- Brian Gladwell | ||
| 6- Clive Noy |