Hayes & Southall 2006
Jon Underwood Trophy
14 May 2006 at Kings Langley
| 500cc | RH Sidecars | 350cc |
| 1- Glen Phillips | 1- Rob Wilson & Nicky Owen | 1- Neil Taylor |
| 2- Richard Smith | 2- Colin Blackbourn & Paul Whitelam jnr | 2- Rhys Wilding |
| 3- Jamie Rodgers | 3- Myles Simmons & Kevin Woodley | 3- Dave Mears |
| 250cc | Classic Two-Valve | |
| 1- Adam Shipp | 1- Dave Norris | |
| 2- Paul Simmons | 2- John Underwood | |
| 3- Chris Still | 3- Glyn Stanton |
