per Jayski ===> https://www.jayski.com/2020/05/18/darlington-tv-ratings-2/
"Fox Sports earned a 3.7 rating and 6.3 million viewers for Sunday’s The Real Heroes 400 at Darlington Raceway.
The race was the most-watched non-Daytona race since March 2017."
"Fox Sports earned a 3.7 rating and 6.3 million viewers for Sunday’s The Real Heroes 400 at Darlington Raceway.
The race was the most-watched non-Daytona race since March 2017."