14 October 1973 at Marshfield
| 500cc | RH Sidecars Open | Experts |
| 1- Julian Wigg | 1- S. de Gregorio & G. Schofield | 1- Julian Wigg |
| 2- Cyril Jones | 2- G. Rawlings & ANOther | 2- Cyril Jones |
| 3- I. Barclay | 3- D. Westaway & J. Sturtridge | 3- R. Evans |
| RH Sidecars Experts | 350cc | RH Sidecars Junior |
| 1- P. Robson & D. Hopes | 1- R. Evans | 1- M. Taylor & C. Draper |
| 2- S. de Gregorio & G. Schofield | 2- K. Baker | 2- D. Parsons & B. Parsons |
| 3- C. Chapman & C. Draper | 3- P. McCann | 3- M. Cox & B. Peacock |
| 250cc | Junior | |
| 1- A. Moss | 1- M. Woodward | |
| 2- Cyril Jones | 2- T. Formhall | |
| 3- A. Hodges | 3- D. Puchase |
5 August 1973 at Elberton
| 500cc (Second Final) | RH Sidecar (Support) | 500cc (First Final) |
| 1- Tig Perry | 1- D. John & M. John | 1- A. Moss |
| 2- A. Moss | 2- M. Ham & ANOther | 2- Tig Perry |
| 3- Cyril Jones | 3- K. Jones & B. Pople | 3- R. Evans |
| RH Sidecars (Second Final) | Unlimited (Support) | RH Sidecars (First Final) |
| 1- G. Rawlings & R. Oxenham | 1- J. Webb | 1- G. Rawlings & R. Oxenham |
| 2- D. John & M. John | 2- K. Jansey | 2- D. John & M. John |
| 3- S. de Gregoria & G. Schofield | 3- Lew Coffin | 3- P. Robson & D. Hopes |
| 350cc (Second Final | 250cc (Second Final) | 350cc (First Final) |
| 1- Tig Perry | 1- Tig Perry | 1- Tig Perry |
| 2- R. Evans | 2- Mick Burton | 2- R. Evans |
| 3- J. Husband | 3- K. Jansey | 3- J. Husband |
| 250cc (First Final) | ||
| 1- Tig Perry | ||
| 2- Mick Burton | ||
| 3- Cyril Jones |
20 May 1973 at Elberton
| 500cc | RH Sidecars Open | 500cc |
| 1- Tig Perry | 1- P. Robson & Dave Hopes | 1- Tig Perry |
| 2- J. Webb | 2- Pete Brown & J. Mitton | 2- J. Webb |
| 3- Lew Coffin | 3- Roger Measor & T. Bullock | 3- Lew Coffin |
| RH Sidecar Expert | 350cc – 500cc | RH Sidecar Junior |
| 1- L. Eyre & R. Stephens | 1- Tig Perry | 1- N. Page & D. Fountain |
| 2- Pete Robson & Dave Hopes | 2- Cyril Jones | 2- D. Wolstenholme & F. Hall |
| 3- L. Crisp & ANOther | 3= A. Drewett & Julian Wigg | 3- K. Curnow & M. Rowe |
| 350cc | 250cc | |
| 1- Tig Perry | 1- Tig Perry | |
| 2- J. Husband | 2- B. Carter | |
| 3- B. Brown | 3- B. Brown |