The Knoxville Nationals is an annual sprint car racing event held in Knoxville, Iowa. It is one of the most prestigious races in the world of dirt track racing, attracting top drivers and teams from across the United States. The event typically takes place in August and features multiple days of racing, culminating in a main event that showcases the best sprint car racers. The Knoxville Nationals is hosted at the Knoxville Raceway, a half-mile dirt track known for its high speeds and competitive atmosphere. The event not only draws large crowds but also offers significant prize money, making it a key highlight in the racing calendar for fans and participants alike.