Who won a record six motorcycle speedway World Championships in 1968, 1969, 1970, 1972, 1977 and 1979?
Jack Young (speedway rider) Jack and Joan Young (born Joan Mary Carroll) had one son and two daughters. Jack Young was the idol of a young rider from Christchurch, New Zealand who rode against him in Australia during the early 1960s, with the two forming a friendship that would last until Jack's passing in 1987. That rider, Ivan Mauger, who was actually based at Rowley Park at the time, would go on to win a record six Speedway World Championships (1968, 1969, 1970, 1972, 1977, 1979), three Long Track World Championships (1971, 1972, 1976), four Speedway World Team Cups (1968, 1971, 1972, 1979), and
Sport in New Zealand 6 motorcycle speedway World Championships in 1968, 1969, 1970, 1972, 1977 and 1979. He also finished on the podium of the World Final in 1967 (3rd), 1971 (2nd), 1973 (2nd) and 1974 (2nd). Mauger also won the Speedway World Team Cup riding for Great Britain in 1968, 1971 and 1972, while winning the title for a fourth time with the New Zealand team in 1979. Mauger was also the Speedway World Pairs Champion in 1969 and 1970 as well as the Long Track World Champion in 1971, 1972 and 1976, a total of 15 World Championships in speedway racing. With