. . . "1976 Mason-Dixon 500"@en . "The 1976 Mason-Dixon 500 was a Winston Cup (now Nextel Cup) event held at Dover International Speedway on May 16, 1976. Benny Parsons dominated the event, leading 176 of the 500 laps in route to his first victory of the year, holding off David Pearson was 25.5 seconds. Parsons reclaimed the points lead, holding a 24-point edge on Cale Yarborough (27th). Stats"@en . "The 1976 Mason-Dixon 500 was a Winston Cup (now Nextel Cup) event held at Dover International Speedway on May 16, 1976. Benny Parsons dominated the event, leading 176 of the 500 laps in route to his first victory of the year, holding off David Pearson was 25.5 seconds. Parsons reclaimed the points lead, holding a 24-point edge on Cale Yarborough (27th). Stats"@en . .