The Lightning Rods take centre stage at Swaffham Raceway on Sunday with their annual Thunderdome 40 championship. Held over 40 laps, it is the longest race of the season at the Norfolk circuit and is a battle of driver skills and concentration and car reliability.

The Lightning Rods take centre stage at Swaffham Raceway on Sunday with their annual Thunderdome 40 championship.

Held over 40 laps, it is the longest race of the season at the Norfolk circuit and is a battle of driver skills and concentration and car reliability. Among the main contenders are the Norwich pairing of Steve Copland and Nick Cook, the in-form Graham Kerry (Diss), Saxlingham Nethergate's Brent Tillow and defending champion Ian Thomson (Lyng).

In support are the Stock Rods and Street Stocks, two formula's who have enjoyed similar successes this season thanks to a big increase in car numbers.

Eric Boulton (St Neots) leads the points in the non-contact Stock Rods while Thetford's Geoff Pallett is the new leader in the stock cars after overhauling King's Lynn's Damien Fish.

Completing the packed bill are two banger classes, the youngsters in the Junior Bangers and the regular 1800 Bangers. Great Yarmouth's Jamie Plane continues to extend his lead at the top of the junior points while North Walsham's Jay Neale has recently consolidated his top spot in the bangers.

Racing gets underway at 1.30pm, admission costs �10 adults, �5 young adults/OAP's and children (under-7) are free.