5 September 1999 at Bodmin
| 500cc | RH Sidecars | 350cc |
| 1- Mark Simmonds | 1- John Halsey & Jason Glenie | 1- Glen Phillips |
| 2- Wayne Barrett | 2- Mark Edwards & Myles Simmons | 2- Mike Bowden |
| 3- Jason Prynne | 3- Ivor Matthews & Symon Wall | 3- Adrian Rowe |
| 500cc Sidecars | ||
| 1- Mike Read & Mark Thorpe | ||
| 2- Andy Hopkins & Gordon Langford | ||
| 3- Chris Salisbury & Gary Hughes |