Knoxville, Iowa, USA (View on Map)
Located at the Marion County Fairgrounds in Knoxville, Iowa, this half-mile dirt oval is unequivocally known as the "Sprint Car Capital of the World". Racing at the fairgrounds dates back to the early 20th century, but the modern era began in the 1950s. The track's signature event is the Knoxville Nationals, held every August since 1961. This event has grown into the most prestigious sprint car race in the world, attracting hundreds of teams and tens of thousands of fans for a week of intense competition. A victory at the Knoxville Nationals is a career-defining achievement. The track also houses the National Sprint Car Hall of Fame & Museum, cementing its status as the historical heart of the sport.