The 1998 Speedway Conference League sponsored by Dunlop, was the third tier/division of British speedway.
The title was won by St Austell Gulls.
+ withdrew - Norfolk replaced Skegness and took over fixtures
A Fixtures
B Fixtures
The 1998 Conference league Knockout Cup (sponsored by Dunlop) was the first edition of the Knockout Cup for tier three teams.
In 1995 there had been an Academy League Knockout Cup and in 1996 a Conference League Knockout Cup but due to a merger of the British Leagues, both the 1995 and 1996 editions acted as the second tier of British speedway at the time.
First round
Semi-finals
Steve Bishop won the Riders' Championship. The final was held on 12 July at the Clay Country Moto Parc in St Austell.