The Worl 100 is a dirt late model racing event that has been held every year since 1971 at the famed 1/2 mile Eldora Speedway in Rossburg, Ohio, and is considered by many[who?] to be the most prestigious dirt late model event in the United States. In 1971 the winner received $3,000 and each year since then, the winner's purse has been raised by $1,000; in 2007 the winner received a total check of $40,000.