The State Horse Racing Commission oversees Pennsylvania horse racing and describes its mission as follows: In all, Pennsylvania maintains a healthy horse racing industry with numerous parimutuel wagering options and a busy live racing calendar. In-person watching and wagering options consist of six permanent race tracks, races at county fairs, and a small number of off-track betting facilities (OTBs). Pennsylvania Online Horse Racing Betting Law.Pennsylvania Off-Track Betting Locations.Pennsylvania Horse Racing Betting Sites.