The 1938 National League Division One was the tenth season of the highest tier of motorcycle speedway in Great Britain.
The 1938 National Trophy was the eighth edition of the Knockout Cup.
[7] Norwich Stars won the Division Two final and therefore secured a place in the quarter-finals.
The 1938 Auto-Cycle Union Cup was the fifth edition of the Cup and was won by West Ham Hammers, which ended the five year winning run of Belle Vue.
[9] First round Group 1 Group 2 First round Semi final round First leg Second leg Wimbledon won on aggregate 109–104 Belle Vue Bristol Harringay New Cross Wembley West Ham Wimbledon