NASCAR has made adjustments to its 2015 calendar spearheaded by shifting the Southern 500 at Darlington back to its original Labor Day weekend timeslot.

The South Carolina event at NASCAR’s oldest superspeedway will revert back to September 6, a slot it had until shifting to other dates from 2004.

Moving to the early September date means it will now become the penultimate race before the Chase play-offs commence.

“Back to its traditional roots of Labor Day, we anticipate an early afternoon start on Sunday for that event,” NASCAR’s Steve O’Donnell said.

Schedules for Atlanta, Bristol and Darlington have also been adjusted for the season which will begin with the traditional Daytona 500 on February 22 and close with the race at Homestead-Miami Speedway on November 22.

The Chase remains at the current 10 scheduled tracks and will start on September 20 with Chicagoland conducting the final regular season race on September 12.

Atlanta shifts to March 1 after holding the Labor Day weekend spot since 2009.

Bristol moves to the later date of April 19 which sees it become the eighth points-paying race in 2015 compared to this season when it was number four.

Full Sprint Cup Series schedule for 2015:

Feb 14: Daytona International Speedway (Sprint Unlimited exhibition race)

Feb 15: Daytona International Speedway (Daytona 500 qualifying)

Feb 19: Daytona International Speedway (Duels)

Feb 22: Daytona International Speedway (Daytona 500)

Mar 1: Atlanta Motor Speedway

Mar 8: Las Vegas Motor Speedway

Mar 15: Phoenix International Raceway

Mar 22: Auto Club Speedway

Mar 29: Martinsville Speedway

April 11: Texas Motor Speedway

April 19: Bristol Motor Speedway

April 25: Richmond International Raceway

May 3: Talladega Superspeedway

May 9: Kansas Speedway

May 16: Charlotte Motor Speedway (All-Star Race)

May 24: Charlotte Motor Speedway (Coca-Cola 600)

May 31: Dover International Speedway

June 7: Pocono Raceway

June 14: Michigan International Speedway

June 28: Sonoma Raceway

July 5: Daytona International Speedway

July 11: Kentucky Speedway

July 19: New Hampshire Motor Speedway

July 26: Indianapolis Motor Speedway

Aug 2: Pocono Raceway

Aug 9: Watkins Glen International

Aug 16: Michigan International Raceway

Aug 22: Bristol Motor Speedway

Sept 6: Darlington Raceway

Sept 12: Richmond International Raceway

CHASE RACES

Sept 20: Chicagoland Speedway

Sept 27: New Hampshire Motor Speedway

Oct 4: Dover International Speedway

Oct 10: Charlotte Motor Speedway

Oct 18: Kansas Speedway

Oct 25: Talladega Superspeedway

Nov. 1: Martinsville Speedway

Nov. 8: Texas Motor Speedway

Nov. 15: Phoenix International Raceway

Nov. 22: Homestead-Miami Speedway

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