It's the latest wrinkle in an already intriguing 2016 season, which will feature a Chase playoff format for the first time.

The latest from NASCAR

NASCAR official tells SiriusXM NASCAR Radio that had there been one more caution, the race might have been called because of darkness.

Tony Stewart says he will retire from Sprint Cup racing following the 2016 season. Clint Bowyer will be his replacement in 2017.

Cautions fly at retro themed race.

Tony Stewart has asked for the wrongful death lawsuit filed by the parents of Kevin Ward Jr. to be moved out of New York state court and into federal court.

Logano holds off Harvick for win.

Michael Waltrip Racing announced Wednesday that it will part ways with driver Clint Bowyer at year's end and that it plans to cease its full-time racing schedule after the 2015 season.

Built on 328 acres of farmland five miles northwest of Indianapolis, Indiana, the speedway was started by local businessmen as a testing facility for Indiana’s growing automobile industry.

Joe Gibbs Racing still dominant.

Buddy Baker, one of NASCAR's fastest and most fearless drivers to ever compete in its premier series, passed away Monday from lung cancer, SiriusXM NASCAR Radio announced.

Passes a sputtering Harvick with one turn remaining for the win.

The family of a young driver who was struck and killed by Tony Stewart’s car on an upstate New York sprint racing track last year has filed a wrongful death lawsuit against the Nascar star. The lawsuit was filed on Friday, as Stewart returned to Watkins Glen International on the one-year anniversary of the fatal crash.

Leaders Logano and Ky. Busch run out of gas on final laps.

Drivers raised doubts about the package after Indianapolis, but NASCAR will push forward with it at Michigan.

No. 18 driver gives Toyota its first victory at the Brickyard. Busch is now just 23 points from Chase eligibility.

Josh Wise took to his Twitter account Monday morning to announce he has parted ways with Premium Motorsports as the driver of the No. 98 Ford. Wish said in his tweet, "The team and I did not share the same goals moving forward."

The 1980 Daytona 500 winner announced the diagnosis on his radio show Tuesday night.

Two icons in their respective fields are teaming up to go Sprint Cup racing this weekend in the Quaker State 400 at Kentucky Speedway and in the Bojangles Southern 500 at Darlington Raceway on Labor Day weekend. Snap-on Tools will sponsor the Wood Brothers’ No. 21 Ford Fusion, driven by Ryan Blaney, in both races. …