The 2009 Autism Speaks 400 presented by Heluva Good! was the thirteenth points race in the 2009 NASCAR Sprint Cup season, marking the halfway point to the 2009 Chase for the Sprint Cup, and was held at the 1-mile (1.6 km) Dover International Speedway in Delaware's state capital city May 31 of that year, consisting of 400 miles (640 km).