11 October 1998 at Sherfield English
| Experts | RH Sidecars (Experts) | Open |
| 1- Matt Read | 1- John Hiscock & Jason Gill | 1- Matt Read |
| 2- Mark Taylor | 2- Mark Edwards & Myles Simmons | 2- Neil Taylor |
| 3- Paul Smith | 3- Mick Turrell & Tony Baseby | 3- Mark Taylor |
| RH Sidecars (Open) | RH Sidecars (Novice) | 500cc Sidecars |
| 1- Mark Edwards & Myles Simmons | 1- Vic Hiscock & Rod Lowe | 1- Steve Kenchington & Gary Hughes |
| 2- Dave Steer & Rob Szarek | 2- Chris Cooper & Tony Chapman | 2- Brian Palmer & Danny Hogg |
| 3- Mick Turrell & Tony Baseby | 3- Andy Hopkins & Tim Phillips | |
| 350cc | ||
| 250cc | 1- Neil Taylor | Novices |
| 1- Lkee Street | 2- Lee Street | 1- Colin Mills |
| 2- Lee Pitman | 3- Mike Topliss | 2- Trevor Peglar |
| 3- Will Tustin | 3- Bob Crudgington | |
| Two Valve | ||
| Vintage | 1- Dave Abbott | Pre 58 |
| 1- Steve Burgess | 2- Chris Coles | 1- Dave Abbott |
| 2- Peter Clarke | 3- Will Tustin | 2- Dave Peaty |
| 3- Brian Cooper | 3- Rod Elmore | |
| Post Vintage | ||
| 1- Stan Formhalls |