4 September 2005 at Aston Clinton
| 500cc | RH Sidecars | 250cc |
| Jon Underwood Trophy | Presidents Cup | Dave Morris Trophy |
| 1= Paul Cooper | 1- Ivor Matthews & Andi Wilson | 1- Steve Syrett |
| 1= David Howe | 2- Rob Wilson & Ian Whale | 2- Gary Wells |
| 3- Lewis Denham | 3- Rod Winterburn & Tris Winterburn | 3- Lee Pitman |
| 350cc | Intermediates | 2V Classic Walker Trophy |
| 1- Paul Cooper | 1- Joe Haines | 1- Paul Evitts |
| 2- Richard Smith | 2- Adam Wrathall | 2- Dave Norris |
| 3- Neil Taylor | 3- Charlie Saunders | 3- Kenny Blain |
Incorperating the South Mids Centre Championships
8 May 2005 at Billington
| 500cc | RH Sidecars | 350cc |
| 1- Richard Smith | 1- Colin Blackbourn | 1- Richard Smith |
| 2- Dave Mears | 2- Rob Bradley | 2- Dave Mears |
| 3- Strider Horton | 3- Peter Lloyd | 3- Bob Dolman |
| 250cc | 500cc Sidecars | 2v Classic |
| 1- Adam Shipp | 1- Mike Read & James Benfield | 1- John Underwood |
| 2- Lee Street | 2- Scott Dunn & Joanne Bryan-Brown | 2- Geoff Urban |
| 3- Gary Wells | 3- Shaun Harvey & Danny Hogg | 3- Ian Gutteridge |
| Uprights | ||
| 1- Arnie Fenner | ||
| 2- Paul Morfey | ||
| 3- Paul May |