Sunday 21st May 1978

NASCAR Hall of Famer David Pearson outran Cale Yarborough at the finish to win the Mason-Dixon 500 at Dover (Delaware, US) International Speedway. Pearson, who led 147 of 500 laps, scored the 101st of his 105 career victories in NASCAR’s top division and the last of his five wins at the Monster Mile. Yarborough finished second as the last driver on the lead lap. Former NASCAR rookie of the year Lennie Pond wound up third.