The 1980 Old Dominion 500 was a Winston Cup (now Nextel Cup) event held at Martinsville Speedway on September 28, 1980. Dale Earnhardt won the race, leading 176 of the 500 laps in route to a dominating 1.35-second victory on Buddy Baker. Cale Yarborough finished 3rd and still trailed Earnhardt by 105 points. Stats