Jason Philip Crump (born 6 August 1975 in Bristol, England) is an Australian international motorcycle speedway rider. He is a three-time Speedway World Champion, a World Cup winner and a former World Under-21 Champion.In a 21-year career in Speedway, Jason Crump finished with 7 World Championship titles to his name (4 individual including the U/21 title, and 3 teams), making him one of the most successful Australian motorcycle racers of all time (including road racing, speedway and motocross). He holds the all time record for Grand Prix wins with 23.