15 September 1968 at Sutton Veny
| 500cc | RH Sidecars | 350cc |
| 1- Andy Ross | 1- Dave Hunter & Brian Cox | 1- Bill Bridgett |
| 2- Bill Bridgett | 2- Lawson Crisp & Bob Wood | 2- Pete Randall |
| 3- Denny Barber | 3- Cecil Taylor & Brian Knight | 3- Stan Luck |
| 4- Gerry Goodwin | 4- J. Lynch & J. Fox | 4- C. Packman |
| 5- B. Gladwell | 5- J. Whitaker & T. Coe | 5- B. Gladwell |
| 6- R. Greer | 6- D. John & M. John | 6- R. May |
| 500cc Non Finalists | 250cc | 250cc Non Finalists |
| M. Price | 1- Chris Stewart | D. Dearden |
| 2- Gerry Goodwin | ||
| 350cc Non Finalists | 3- Joe Hughes | 500cc Invitation |
| 4- M. Price | R. May | |
| 5- D. Barber | ||
| RH Sidecars Non Finalists | 6- C. Packman | RH Sidecar Invitation |
| M. Start & B. Childs | M. Start & B. Childs | |
| 250cc Invitation | ||
| Graham Goodwin |