A fan follows events from the roof of a camper during the NASCAR Cup Series auto race at Kansas Speedway in Kansas City, Kan., Saturday, May 11, 2019. (AP Photo/Orlin Wagner)

Drivers cross the start/finish line early in theNASCAR Cup Series auto race at Kansas Speedway in Kansas City, Kan., Saturday, May 11, 2019. (AP Photo/Orlin Wagner)

Fans return to the stands following an infield concert before a NASCAR Cup Series auto race at Kansas Speedway in Kansas City, Kan., Saturday, May 11, 2019. (AP Photo/Colin E. Braley)

FILE - Top, in a Feb. 17, 2019, file photo, William Byron (24) and Alex Bowman (88) lead the field to start a NASCAR Daytona 500 auto race at Daytona International Speedway, in Daytona Beach, Fla. Bottom, in an April 28, 2019, file photo, Brad Keselowski (2) leads a pack of cars through the oval during the NASCAR Cup Series auto race at Talladega Superspeedway, in Talladega, Ala. NASCAR is buying International Speedway in a deal worth about $2 billion. The International Speedway Corp. owns some of the most well known car racing facilities in the United States, including the Daytona International Speedway in Florida, where it’s based, and the Talladega Superspeedway in Alabama. The companies said Wednesday, May 22, that deal is expected to close this year.(AP Photo/File)

Drivers start the NASCAR Cup Series auto race at Kansas Speedway in Kansas City, Kan., Saturday, May 11, 2019. (AP Photo/Colin E. Braley)