2026 iRacing Knoxville Nationals Presented by SimpleTire

The Knoxville Nationals is one of the biggest and most prestigious Sprint Car events of the year. The World of Outlaws Sprint Car Series event is held annually at Knoxville Raceway in Knoxville, Iowa. Since making its debut in 1961, the event has gradually expanded over the years to four days of competition, offering a purse of over a million dollars. Legends of the sport like Steve Kinser, Danny Lasoski, and Donny Schatz have each taken their 410 Sprint Cars to the winner's circle multiple times in the event. Now's your chance to take on the best Dirt Oval racers on iRacing for a chance to make it into the 35-lap main event at the legendary Iowa track. Do you have what it takes to get it done?