The 1975 Southeastern 500 was a Winston Cup (now Nextel Cup) event held at Bristol Motor Speedway on March 16, 1975. Richard Petty led 243 of the 500 laps in route to a dominating six-lap victory on Benny Parsons. Petty continued his dominance on top of the points, leading Parsons by 129 markers early in the season. Stats