Claim: The Speedway Park race (which opened in 1947 in Jacksonville, Florida) results in the NASCAR Grand National Series on November 4, 1951 show Herb Thomas who drove200 laps in a Hudson with an average speed of 53.412 mph.
Evidence: The thirty-eighth race of the 1951 season was held on November 4 at the half-mile dirt Jacksonville Speedway Park in Florida. Herb Thomas won the pole.