Martinsville Speedway is an International Speedway Corporation-owned NASCAR stock car racing track located in Henry County, in Ridgeway, Virginia, just to the south of Martinsville.n 1951, only 4 cars were running at the finish, the fewest of any race held at the speedway. In 1960, Richard Petty became the youngest winner at Martinsville, at 7008718718400000000♠ 22 years, 283 days; to date Petty has the most wins (15).