Monday 30 March 1959 at Overstone Park
| Unlimited | RH Sidecars (3) | 500cc |
| 1- J. Gould | Not Known | 1- J. Gould |
| 2- A. Cresswell | 2- A. Cresswell | |
| 3- 57 | 3- B. Bridgett | |
| RH Sidecars (2) | 350cc | RH Sidecars (1) |
| 1- D. John | 1- J. Gould | 1- F. French |
| 2- F. French | 2- A. Cresswell | 2- A. Ellis |
| 3- D. Bass | 3- B. Bridgett | 3- D. Bass |