27 September 1998 at Spaxton
| Experts | RH Sidecars (Open) | Open |
| 1- Paul Smith | 1- Kenny Hammill & John Richards | 1- Paul Smith |
| 2- Rod Melksham | 2- Kevin Stevens & Dave Hogan | 2- Rod Melksham |
| 3- Steve Paver | 3- Brett Osborne & Maurice Cooper | 3- Colin Mills |
| RH Sidecars (Experts) | Junior | RH Sidecars (Junior) |
| 1- Kevin Stevens & Dave Hogan | 1- Colin Mills | 1- Jim Pearn & Alan Pearn |
| 2- Justin Westaway & Mark Courtney | 2- Rob Worthing | 2- Wayne Wesyaway & Steve Courtney |
| 3- Alan Pearce & Darren Wilce | 3- Mike Wells | 3- Graham Kirton & Rick McAuley |
| 350cc | Unlimited Handicap | 250cc |
| 1- Kevin Francis | 1- Mark Howard-Coles | 1- Jason Stott |
| 2- Mike Bowden | 2- Mike Wells | 2- Mark Netherwood |
| 3- Jon Shames | 3- Jason Stott | 3- John Weeks |
| 500cc Sidecars | RH Sidecars (Pre 75) | |
| 1- Shaun Chick & Guy Mitchell | 1- Jim Pearn & Alan Pearn | |
| 2- Andy Hopkins & Barry Footner | 2- Chris Cooper & Tony Chapman | |
| 3- Chris Hall & Alan Lee | 3- Jack Uglow & Paul Uglow |