Thomas County Speedway Submit new listing Favourites Print listing Save as PDF Add bookmark Thomas County Speedway The RosterMotorsportsTracksDirt Oval Track RacingThomas County Speedway 3/8 Mile progressive banked clay oval track located in Colby, KS Track ShapeOval Track Legnth3/8 mi Surface TypeDirt Address480 S Range Ave, Colby, KS 67701, USA, Kansas, USA 67701CategoriesDirt Oval Track RacingTracksContact InformationPhone(785) 743-8432Websiteview our siteSocial MediaFacebookhttps://www.facebook.com/thomascountyspeedway/