RELATED: Complete Dover schedule | Live weather updates
Quick race facts
What: AAA 400
Where: Dover International Speedway, 1-mile oval in Dover, Delaware.
Green flag time: 2:30 p.m. ET (NBCSN, MRN, SiriusXM NASCAR Radio).
Forecast: Breezy and cloudy with a slight chance of rain after noon; High of 66 degrees, according to the National Weather Service.
National anthem: Sam Harris, X Ambassadors.
Grand marshal: Rosie Perez, Academy Award-nominated actress, choreographer.
Distance: 400 laps, 400 miles.
Pit road speed: 35 mph
Caution car speed: 45 mph
On the front row
1. Matt Kenseth, No. 20 Joe Gibbs Racing Toyota (No time trials).
2. Denny Hamlin, No. 11 Joe Gibbs Racing Toyota (No time trials).
Fastest in practice
First practice: Kasey Kahne, No. 5 Hendrick Motorsports Chevrolet., 160.506 mph. (Results)
Final practice: Kevin Harvick, No. 4 Stewart-Haas Racing Chevrolet, 156.033 mph. (Results)
Key story lines
1. Many scenarios for Chase elimination race
2. Drivers applaud newly expanded restart zone
3. Harvick says he 'likes these situations'
4. Bowyer to drive for HScott in 2016
Former winners in the field
Jimmie Johnson (10); Jeff Gordon (5); Tony Stewart, Ryan Newman (3); Greg Biffle, Kyle Busch, Matt Kenseth (2); Brad Keselowski, Carl Edwards, Dale Earnhardt Jr., Kurt Busch, Martin Truex Jr. (1)
They said it
"There's been no give-up in this 18 all year long and there's none right now. We're just going to power on through and do what we need to do to get to the next round." Kyle Busch, on facing adversity to make it past the Challenger Round.