Builth Wells 1972
Royal Welsh Show
10 September 1972 at Showground
| 500cc | 300cc to 500cc | 250cc |
| 1- Tig Perry | 1- J. Mills | 1- Tig Perry |
| 2- K. Jancey | 2- J. Webb | 2- Cyril Jones |
| 3- Cyril Jones | 3- Mick Burton | 3- P. McCann |
| Local Riders | ||
| 1- J. Richards | ||
| 2- A. Thomas | ||
| 3- D. McDonald |
