Saturday's Sprint Cup race at Charlotte Motor Speedway has been postponed due to heavy rain from Hurricane Matthew, giving NASCAR the the track a Sunday afternoon doubleheader.
Heavy rain had already postponed the Xfinity Series race scheduled for Friday night. The Sprint Cup Bank of America 500 will begin at noon on Sunday, with the Xfinity Series race scheduled to run 45 minutes after the Cup race.
Today's activities have been postponed until Sunday at 12P.M. #BCBSNC300 will be run 45 min. after #BofA500 concludes. More info to follow.
— CharlotteMotorSpdwy (@CLTMotorSpdwy) October 8, 2016
Both events are part of NASCAR's Chase playoffs.