The Super Derby is an American thoroughbred horse race held annually in September at Louisiana Downs in Bossier City, Louisiana. Inaugurated in 1980, the Super Derby is open to three-year-olds and the distance is  1 1⁄8 miles on the dirt. Currently a Grade III event, it is the richest race held at Louisiana Downs. In its history, the Super Derby has attracted some of the top horses in the country including winners of all three American Classic Races. *  1 1⁄8 miles – 2002-2004, 2006-present *  1 1⁄4 miles – 1980-2001, 2005