The 1939 National League Division One was an eleventh and unfinished season of the highest tier of motorcycle speedway in Great Britain.
Southampton Saints had moved up from Division Two and Bristol Bulldogs moved back down after just one season.
Belle Vue Aces were leading the championship ahead of Wimbledon Dons when the league was abandoned due to the outbreak of World War II .
A fixtures
B fixtures
The 1939 National Trophy was the ninth edition of the Knockout Cup. Wembley and Belle Vue were declared joint winners following the abandonment of the final fixture due to the outbreak of the war.
Sheffield Tigers won the Division Two final and therefore secured a place in the quarter-finals.
Quarterfinals
Semifinals
First round
Semi final round
Final
First leg
Second leg
Wimbledon won on aggregate 134âÂÂ82
Belle Vue
Harringay
New Cross
Southampton
Wembley
West Ham
Wimbledon