INDIANAPOLIS (AP) — NASCAR and IndyCar have come together for an unprecedented weekend of racing at Indianapolis Motor Speedway.

IndyCar will start the racing on Saturday afternoon, followed by the Xfinity Series making its debut on the road course.

Then NASCAR’s elite Cup Series will race on the oval on Sunday.

Fans aren’t allowed to attend what is considered a major milestone for American motorsports. 

FILE – In this Sept. 8, 2019, file photo, Kevin Harvick leads the field through the first turn on the start of the NASCAR Brickyard 400 auto race at Indianapolis Motor Speedway in Indianapolis. (AP Photo/Darron Cummings, File)