FILE - In this Oct. 7, 2018, file photo, fans line up next to a tent kiosk for legalized sports betting at the Dover International Speedway before the NASCAR Cup series auto race in Dover, Del. NASCAR is making its first big play in the world of expanded legal sports betting, hoping a sports data partnership will lead to gamblers being able to bet during races on much more than just who gets the checkered flag. Genius Sports has become the exclusive provider of NASCAR data to licensed sportsbooks, officials announced Friday, May 3, 2019. (AP Photo/Nick Wass, File)

FILE - In this Oct. 7, 2018, file photo, an odds sheet and betting slip are seen at Dover International Speedway before the NASCAR Cup series auto race at Dover International Speedway in Dover, Del. NASCAR is making its first big play in the world of expanded legal sports betting, hoping a sports data partnership will lead to gamblers being able to bet during races on much more than just who gets the checkered flag. Genius Sports has become the exclusive provider of NASCAR data to licensed sportsbooks, officials announced Friday, May 3, 2019. (AP Photo/Nick Wass, File)