2 October 1988 at Chetton
| 500cc | 350cc | 250cc |
| 1- M. Ferry | 1- D. Mander | 1- I. Rutter |
| 2- A. Browning | 2- M. Wadsworth | 2- M. Wadsworth |
| 3- M. Evans | 3- D. Norris | 3- J. Hickman |
| RH Sidecars | Millward Trophy (Invitation Race) | 500cc Sidecars |
| 1- M. Cookson & P. Jones | 1- J. Bostin | 1- D. Howells & J. Price |
| 2- C. Cheathem & C. Knowles | 2- A. Browning | 2- N. Yeomans & A. Snape |
| 3- D. Heath & K. Thompson | 3- R. Fortune | 3- M. Kilvert & J. Crew |
14 August 1988 at Monkhopton
| 500cc | 350cc | 250cc |
| 1- A. Grahame | 1- D. Phillips | 1- G. Faulkner |
| 2- P. Fry | 2- M. Wadsworth | 2- I. Rutter |
| 3- P. Alderman | 3- A. Wickham | 3- J. Stott |
| RH Sidecars | 500cc Sidecars | |
| 1- R. Ing & C. Skipper | 1- R. French & M. Ponting | |
| 2- M. Cookson & P. Jones | 2- S. Kirk & ANOther | |
| 3- S. Smith & J. Mitton | 3- C. Taylor & T. Goodwin |
12 June 1988 at Chetton
| Solos | RH Sidecars |
| 1- J. Doncaster | 1- R. Ing & C. Skipper |
| 2- P. Jeffrey | 2- G. Jackson & I. Harris |
| 3- T. Fey | 3- S. Smith & J. Mitton |
| 4- R. Fortune | 4- A. Blewitt & J. Blewitt |
| 5. P. Fry | 5- V. Hiscock & R. Start |
| 6- K. Price | 6- D. Steer & A. Marshall |