Reading Fairgrounds Speedway (1924–1979) was a one half mile dirt/clay modified race track located in Muhlenberg Township, Berks County, Pennsylvania. The track opened September 24, 1924 and ran until June 29, 1979.[1] It featured a regular weekly series of modified, sportsman modified, and late model stock car racing. The racetrack was replaced by the Fairgrounds Square Mall, which opened in 1980, closed in 2018, and was demolished in 2020.