1981 British League season
The 1981 British League season was the 47th season of the top tier of motorcycle speedway in the United Kingdom and the 17th known as the British League.
Summary
The league comprised 16 teams - one fewer than the previous season. Wolverhampton Wolves had dropped down to the National League.American Bruce Penhall topped the averages and helped Cradley Heathens win their first title. The Cradley team included Penhall, rising Danish star Erik Gundersen and British internationals Alan Grahame and Phil Collins. The league runner-up Ipswich Witches gained some consolation by winning the Knockout Cup.
The year saw a changing of the guard as a number of young riders broke through as heat leaders. American duo Penhall and Dennis Sigalos led Cradley Heath and Ipswich respectively, Danish trio Gundersen, Hans Nielsen and Tommy Knudsen all qualified for the World Final, and Kenny Carter finished as top Englishman in the World Final and won the League Riders' Championship.
Final league table
M = Matches; W = Wins; D = Draws; L = Losses; Pts = Total PointsBritish League Knockout Cup
The 1981 Speedway Star British League Knockout Cup was the 43rd edition of the Knockout Cup for tier one teams. Ipswich Witches were the winners.First round
| Date | Team one | Score | Team two |
| 04/06 | Middlesbrough | 43-53 | Eastbourne |
| 23/05 | Berwick | 39-57 | Wimbledon |
| 08/05 | Peterborough | 50-46 | Halifax |
| 04/05 | Newcastle | 40-56 | Leicester |
| 08/05 | Edinburgh | 49-47 | Sheffield |
| 12/04 | Mildenhall | 38-58 | Poole |
| 31/05 | Rye House | 34-62 | Birmingham |
| 03/05 | Boston | 47-48 | Hull |
Second round
| Date | Team one | Score | Team two |
| 08/07 | Poole | 49-47 | Leicester |
| 24/06 | Hull | 54-42 | Belle Vue |
| 23/06 | Leicester | 51-45 | Poole |
| 20/06 | Cradley Heath | 60-36 | Eastbourne |
| 14/06 | Peterborough | 38-58 | Birmingham |
| 13/06 | Belle Vue | 53-43 | Hull |
| 11/06 | Wimbledon | 40-56 | Reading |
| 08/06 | Birmingham | 63-33 | Peterborough |
| 08/06 | Reading | 55-41 | Wimbledon |
| 07/06 | Eastbourne | 49-47 | Cradley Heath |
| 30/05 | Coventry | 63-33 | Hackney |
| 30/05 | Swindon | 69-27 | Edinburgh |
| 29/05 | Hackney | 37-59 | Coventry |
| 01/05 | Kings Lynn | 47-49 | Ipswich |
| 21/05 | Ipswich | 53-43 | Kings Lynn |
| 12/06 | Edinburgh | 47-49 | Swindon |
Quarter-finals
| Date | Team one | Score | Team two |
| 03/09 | Swindon | 74-22 | Leicester |
| 25/08 | Leicester | 45-51 | Swindon |
| 20/08 | Ipswich | 54-42 | Cradley Heath |
| 12/08 | Cradley Heath | 48-48 | Ipswich |
| 03/08 | Reading | 51-45 | Coventry |
| 24/07 | Birmingham | 52-44 | Hull |
| 22/07 | Hull | 49-47 | Birmingham |
| 11/07 | Coventry | 49-45 | Reading |
Semi-finals
| Date | Team one | Score | Team two |
| 28/09 | Reading | 49-47 | Birmingham |
| 18/09 | Birmingham | 54-42 | Reading |
| 18/09 | Swindon | 46-50 | Ipswich |
| 10/09 | Ipswich | 57-39 | Swindon |
Final
First legSecond leg
The Ipswich Witches were declared Knockout Cup champions, winning on aggregate 100-92.
League Cup
The League Cup was inaugurated in 1981 with the 16 teams split into North and South sections comprising 8 teams each that met each other home and away. The winners of each section qualified for the two-legged final with Coventry Bees beating King's Lynn Stars in the final 120–70 on aggregate.North Group
South Group
North Group
| Pos | Team | PL | W | D | L | Pts |
| 1 | Coventry Bees | 14 | 12 | 0 | 2 | 24 |
| 2 | Cradley Heathens | 14 | 11 | 0 | 3 | 22 |
| 3 | Belle Vue Aces | 14 | 7 | 0 | 7 | 14 |
| 4 | Sheffield Tigers | 14 | 7 | 0 | 7 | 14 |
| 5 | Birmingham Brummies | 14 | 6 | 0 | 8 | 12 |
| 6 | Hull Vikings | 14 | 5 | 0 | 9 | 10 |
| 7 | Leicester Lions | 14 | 4 | 0 | 10 | 8 |
| 8 | Halifax Dukes | 14 | 4 | 0 | 10 | 8 |
South Group
| Pos | Team | PL | W | D | L | Pts |
| 1 | King's Lynn Stars | 14 | 10 | 1 | 3 | 21 |
| 2 | Reading Racers | 14 | 10 | 0 | 4 | 20 |
| 3 | Ipswich Witches | 14 | 9 | 0 | 5 | 18 |
| 4 | Poole Pirates | 14 | 7 | 0 | 7 | 14 |
| 5 | Swindon Robins | 14 | 7 | 0 | 7 | 14 |
| 6 | Hackney Hawks | 14 | 5 | 1 | 8 | 11 |
| 7 | Eastbourne Eagles | 14 | 5 | 0 | 9 | 10 |
| 8 | Wimbledon Dons | 14 | 2 | 0 | 12 | 4 |
Final
| Date | Team one | Score | Team two |
| 10/10 | Coventry | 68–28 | King's Lynn |
| 11/10 | King's Lynn | 42–54 | Coventry |
Riders' Championship
Kenny Carter won the British League Riders' Championship, held at Hyde Road on 17 October and sponsored by the Daily Mirror.| Pos. | Rider | Heat Scores | Total | ||||||||||||||||||||||
| 1 | ![]() Midland CupCoventry won the Midland Cup. The competition consisted of five teams and was sponsored by the Trustee Savings Bank.First round
Semi final round
Final First leg Second leg Coventry won on aggregate '''84–72''' London CupHackney won the London Cup but the competition consisted of just Wimbledon and Hackney.Results
Riders and final averagesBelle Vue
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