sentences:  The speedway is entering its 77th year of operation, with racing every Friday from March to October and other special events.One of these special events is the $56,000 to win National Open for sprint cars sanctioned by the World of Outlaws racing series held in October.In late 1937, car owner at that time, Emmett Shelley convinced Williams Grove Park Owner Roy Richwine to build a speedway across the street from the park and on May 21, 1939, Williams Grove Speedway held its first race.