Weather is going to be a factor for tonight's race.
Sprint Cup final practice has been canceled due to weather.
Morning practice saw Denny Hamlin topping the speed chart, with Greg Biffle, Casey Mears, Kyle Busch a nd Brian Vickers rounding out the top five.
Other notables were Mark Martin in sixth, Dale Earnhardt Jr. in eighth, Jimmie Johnson 13th, Ryan Newman 16th, Jeff Gordon in 24th and Tony Stewart 33rd.
Speeds were a bit faster this morning as overcast skies and the constant threat of rain kept the track cool for practice.
Carl Edwards is on the pole for the Nationwide Series.
Miss America is here to sing the National Anthem for tonight's race.
Coca-Cola held a barbecue on Friday in honor of the season's longest race.
The grill used was over a quarter of a mile long, holding over 7,000 pounds of charcoal.
Coca-Cola Family drivers were on hand to serve lunch for thousands of fans.
US Senator Jim DeMint will wave the green flag for Sundays race.
Keeping with the green, this Sunday's pace car will be a Toyota Camry Hybrid. The first time ever a Hybrid car has been used as a pace car.
House Speaker Seth Hammett has been named Honorary Race Director.
Coca-Cola has dedicated this race to the American Armed Forces.
Dark skies take over the speedway in this first picture.
All pictures are copyright David Yeazell