2009 Autism Speaks 400

was the thirteenth points race in the 2009 NASCAR Sprint Cup season.

Held on May 31 of that year at the 1-mile (1.6 km) Dover International Speedway in Delaware's state capital city, consisting of 400 miles (640 km) and marked the halfway point to the 2009 Chase for the Sprint Cup.

Fox Sports, in its 2009 swan song, televised the race beginning at 1:30 PM US EDT while MRN (terrestrial) and Sirius XM Radio (satellite) handled radio coverage starting at 1 PM.

The biggest change that year at Dover was a new pit road area.

It worked to a charm as he led the most laps (298), and made the win with a pass of Tony Stewart with three laps to go and claim the win coming from seventh place on the final pit stop under caution that had earlier cost them the lead.

Jeff Gordon damaged his car after hitting the wall during qualifying