1966 British League season

[3] Halifax Dukes won the league after 36 games and finished three points clear of Coventry Bees.

The dangers of speedway were highlighted once again however when Welshman Ivor Hughes was killed during the league match riding for Cradley Heath Heathens against Sheffield Tigers on 20 August.

[7] Barry Briggs won the British League Riders' Championship for the second consecutive year, held at Hyde Road on 22 October.

[8] West Ham successfully defended their London Cup title but once again there were just three teams competing.

[10] First round group 1 First round group 2 First leg Second leg Coventry won on aggregate 88–68 Belle Vue Coventry Cradley Heath Edinburgh Exeter Glasgow Hackney Halifax King's Lynn Long Eaton Newcastle Newport Oxford Poole Sheffield Swindon West Ham Wimbledon Wolverhampton