Ole Olsen won his final Individual World Championship in 1978 at Wembley scoring 13 points from his five rides. He finished one point clear of Englishman Gordon Kennett, and two points in front of third placed Scott Autrey from the United States. He was involved in a run-off for third place in 1979 at the Silesian Stadium in Katowice, Poland. Olsen finished last in the run-off won by Michael Lee from American Kelly Moran and Australian champion Billy Sanders. His last place saw him finally classified 6th in his title defence. 1979 was the last of a record 6 World Championships won by Ivan Mauger.