NASCAR at long last adds schedule variety with 2021 changes

Jerry Caldwell, executive vice president and general manager of Bristol Motor Speedway, announces during a news conference, Wednesday, Spet. 30, 2020, in Bristol, Tenn., that the NASCAR Cup series auto race scheduled at the track for March 28, 2021 will be run on dirt. (David Crigger/Bristol Herald Courier via AP)

Race officials wear masks, a requirement from NASCAR to reduce the chance of spreading COVID-19, during the NASCAR Xfinity Series auto race at Las Vegas Motor Speedway on Saturday, Sept. 26, 2020, in Las Vegas. (Ellen Schmidt/Las Vegas Review-Journal via AP)