Opened in 1926, Langhorne Speedway was a circular one-mile dirt track known as the “Big Left Turn.” It hosted a NASCAR inaugural race in 1949. Notable drivers Doc Mackenzie, Joie Chitwood, Rex Mays, Lee Petty, Dutch Hoag, A.J. Foyt, and Mario Andretti raced here in stock, midget, sprint, and Indy cars. Langhorne was reshaped as a “D” and paved in 1965. The National Open Championship run here was regarded as the “Indy of the East.” The final race was held in 1971.