Maple Grove Raceway (MGR) is a quarter-mile dragstrip located near Mohnton, Pennsylvania, just outside Reading. It opened in 1962 as a 1/5-mile dragstrip. It was eventually lengthened to its current quarter-mile length in 1964. The track has been sanctioned by the National Hot Rod Association for most of its existence. It has hosted an NHRA national event since 1985. Uni-Select Auto Plus came aboard as the Nationals sponsor in 2011. Other key events include the American Drag Racing League, the NHRA Lucas Oil Drag Racing Series, the Geezers Reunion at The Grove, the Super Chevy Show, Mopar Action, Fun Ford Weekend and the NHRA Pennsylvania Dutch Classic.