Originally called Keystone Racetrack, it opened in November of 1974 in Bensalem, Pennsylvania.
Late in 1998, Greenwood joined with fellow Pennsylvania Corporation, Penn National Gaming, in expanding into New Jersey with the purchase of Freehold Raceway in Freehold, NJ and the operating lease of Garden State Park in Cherry Hill , NJ . Over the years, such notable horses as Smarty Jones, Shuvee, Gallant Bob, My Juliet, Spectacular Bid, Revidere, Summer Squall, and Broad Brush have found their way to the winner’s circle at Philadelphia Park . Philadelphia Park is home of Pennsylvania ‘s premier thoroughbred race, the $750,000 grade II Pennsylvania Derby. Held on Labor Day, the Pennsylvania Derby is a one and an eighth mile race for three year olds and has consistently attracted quality fields, and large crowds.