The Daytona 500 drew a 6.1 overnight rating, down 16% from last year’s 7.3 overnight household rating in the 56 largest markets (out of 210). That’s still ahead of 2014’s 5.6 overnight rating, but that had a six hour and twenty-two minute rain delay. It’s down a whopping 39% from the 10.0 overnight the 2013 race garnered.
Ratings/viewership from 2007-2015 are here.