"The 1980 Mason-Dixon 500 was a Winston Cup (now Nextel Cup) event held at Dover International Speedway on May 18, 1980. Bobby Allison dominated the event, leading 126 laps and pulling away to a 26-second victory on Richard Petty. Points leader Dale Earnhardt finished 10th to maintain a 102-point edge on Petty. [1]"@en . . "1980 Mason-Dixon 500"@en . "The 1980 Mason-Dixon 500 was a Winston Cup (now Nextel Cup) event held at Dover International Speedway on May 18, 1980. Bobby Allison dominated the event, leading 126 laps and pulling away to a 26-second victory on Richard Petty. Points leader Dale Earnhardt finished 10th to maintain a 102-point edge on Petty. [1]"@en . . .