NASCAR moved the Southern 500 back to Labor Day weekend in 2015 at "The Track Too Tough To Tame."Sunday's Cup race is 400 miles with Brad Keselowski as the defending winner.Justin Allgaier is the defending winner of Satuday's 200-mile Xfinity race.

The Darlington race weekend usually produces meaningful throwback paint schemes for drivers to run, honoring NASCAR legends of the past. Ryan Blaney is running a NASCAR Xfinity Series scheme raced by his father, Dave Blaney. Kyle Larson will be running a popular throwback scheme to Terry Labonte's tiger-themed Kellogg's Chevrolet.

NASCAR officials penalized driver Sammy Smith on Tuesday for his on-track actions at the end of Saturday\\\"s Xfinity Series race at Martinsville Speedway. Smith initiated contact on the final lap of Saturday\\\"s Marine Corps 250 with race leader Taylor Gray, speeding his No. 8 JR Motorsports Chevrolet into the back bumper of Gray\\\"s No. 54 […]