31 October 1998 at Brooklands
| Senior 350cc | Intermediates | Juniors |
| 1- Glen Philips | 1- Richard Hall | 1- Steve Boxall |
| 2- Andrew Parfoot | 2- Daniel King | 2- Ben Barker |
| 3- Lee Bartlett | 3- Jason King | 3- Perry Cole |
| Cadets | ||
| 1- Jordan Cole | ||
| 2- Junior Dawson | ||
| 3- Robert Wickens |
18 October 1998 at Chartham
| Senior 350 | Senior 250 | Intermediates |
| 1- Nathan Irwin | 1- Lee Bartlett | 1- Thomas Cooper |
| 2- Matt Etherington | 2- James Theobald | |
| 3- Lee Bartlett | 3- David Costa | |
| Juniors | Cadets | |
| 1- Steve Boxall | 1- Junior Dawson | |
| 2- Perry Cole | 2- Jordan Cole | |
| 3- Natasha Bartlett | 3- Scott Campos |
4 October 1998 at Stone-on-Oxney
| Senior 350 | Best Pairs | Juniors |
| 1- Nathan Irwin | 1- Nathan Irwin & Jordan Cole | 1- Steve Boxall |
| 2- Matt Etherington | 2- Bradley Kite & James Theobald | 2- Perry Cole |
| 3- Junior Dawson & Scott Campos | ||
| Intermediates | Cadets | |
| 1- Bradley Kite | 1- Junior Dawson | |
| 2- Thomas Cooper | 2- Jordan Cole | |
| 3- James Theobald | 3- Scott Campos |
13 September 1998 at Smarden
| Senior 350cc | Senior 250cc | Intermediates |
| 1- Nathan Irwin | 1- Lee Bartlett | 1- Bradley Kite |
| 2- Matt Etherington | 2- James Theobald | |
| Juniors | Cadets | |
| 1- Steve Boxall | 1- Jordan Cole | |
| 2- Natasha Bartlett | 2- Junior Dawson | |
| 3- Perry Cole | 3- Scott Campos |