19 July 1981 at Pinvin
| Unlimited (Championship) | RH Sidecars (Carnival Kings Cup) | 500cc |
| 1- C. Ward | 1- S. Smith & T. Pye | 1- C. Ward |
| 2- J. Underwood | 2- A. Artus & F. Burke | 2- R. Elvin |
| 3- M. Wadsworth | 3- P. Pinfold & R. Henderson | 3- G. Jones |
| 350cc | RH Sidecars | 250cc |
| 1- M. Wadsworth | 1- P. Pinfold & R. Henderson | 1- M. Wadsworth |
| 2- J. Underwood | 2- A. Artus & F. Burke | 2- C. Waugh |
| 3- B. Evans | 3- D. Makin & M. Howell | 3- T. Perry |
| Martin Goddard Trophy | Taylor Transport Shield (Round Two) | Mick Burton Trophy |
| 1- M. Bostin | 1- K. Gwilliam | 1- P. McCann |
| 2- N. Wash | 2- B. Evans | 2- J. Webb |
| 3- D. Mander | 3- S. Maile | 3- R. Gibbons |
| First Vintage | Taylor Transport Shield (Overall) | Second Vintage |
| 1- J. Stallworthy | 1- B. Evans | 1- J. Stallworthy |
| 2- R. Lambourne | 2- P. Cresswell | 2- M. Griffiths |
| 3- D. Branton | 3- R. Gibbons | 3- R. Lambourne |
| Third Vintage | ||
| 1- J. Stallworthy | ||
| 2- W. V. Davies | ||
| 3- M. Webb |