(Incorporating the National Inter-Centre Championship)
8 September 1957 at Stokenchurch
| 500cc | RH Sidecars | 350cc |
| 1- Martin Tatum | 1- Bill Evans & Ron Jones | 1- Martin Tatum |
| 2- John Gould | 2- Chris Vincent & C. Jones | 2- John Gould |
| 3- Austin Cresswell | 3- Freddie French & ANOther | 3- Alf Goodey |
| 4- E. Burridge | 4- A. Ellis & ANOther | 4- Alf Hagon |
| 5- George Gould | 5- R. Price & ANOther | 5- D. Drewitt |
| 6- J. Sewell | 6- J. Rogers | |
| Inter-Centre RH Sidecars | ||
| Inter-Centre 500cc | Midlands | Inter-Centre 350cc |
| 1- South Eastern | Bill Evans & Ron Jones | 1- South Eastern |
| M. Tatum, M. Briggs, E. Burridge | Chris Vincent & C. Jones | M. Tatum, M. Briggs, E. Burridge |
| & P. Simms | A. Ellis & ANOther | & P. Simms |
| 2- Southern | 2- Southern | 2- South Midland |
| 3- East Midland | 3- South Midland | 3- Eastern |
| Inter-Centre Solos Overall | ||
| 1- South Eastern | ||
| M. Tatum, M. Briggs, E. Burridge | ||
| & P. Simms | ||
| 2- Southern | ||
| 3= East Midland & Eastern |
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