Sunday 21st September 1975
Richard Petty outran Cale Yarborough at the finish to score his 175th victory in NASCAR’s premier series, winning the Wilkes 400 at North Wilkesboro (North Carolina, US) Speedway. Petty, the pole starter, led 184 of the 400 laps and wound up 2.4 seconds ahead of Yarborough at the finish. Darrell Waltrip finished third, four laps behind the lead pair.