Southern United Professional Racing (SUPR) operates auto racing series for Late Model and Sprint Car racing on dirt tracks in the Southern United States. Founded in 1990, most of the series' races are held at tracks in Arkansas, Louisiana, Mississippi, and Texas; selected events take place in surrounding states. Kenny Merchant is the winningest driver in series history, with 57 wins. Series champions 1990: Doug Ingalls 1991: Tony Cardin 1992: Doug Ingalls 1993: Donald Watson 1994: Doug Ingalls 1995: Ronnie Poche 1996: Ricky Ingalls 1997: Butch Patton 1998: Rusty Cummings 1999: David Ashley 2000: Jay Blair 2001: Jay Blair 2002: Rodney Wing 2003: Kenny Merchant 2004: Rob Litton 2005: David Ashley 2006: David Ashley 2007: Ray Moore 2008: Kenny Merchant 2009: Kenny Merchant 2010: Rob Litton 2011: Morgan Bagley 2012: Rob Litton References External links Auto racing organizations in the United States Dirt track racing in the United States 1990 establishments in Louisiana