DAYTONA BEACH, Fla. (AP) NASCAR on Monday said it has signed five-year sanctioning agreements with 23 tracks that host Sprint Cup Series races.

The sanctioning body reached the same agreement with 24 tracks that host Xfinity Series races. The deals mean the tracks will host their events through the 2020 seasons, although the actual race dates can change.

NASCAR made very few changes to the 2016 schedules announced Monday. The differences:

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- The spring race at Richmond will be moved from its traditional Saturday night date to Sunday, April 24.

- Dover's first race of the year was moved up before the Charlotte Motor Speedway races in May.

- Michigan's second race will be later in August than usual.

- Pocono Raceway will host its first Xfinity Series event in June.