Daytona 500 (1980-02-17): 10,800,000 average audience, Nielsen (press-attributed), final; published by Wikipedia, 2026-08-27, https://en.wikipedia.org/wiki/List_of_Daytona_500_broadcasters. Via RatingsReference, https://ratingsreference.com/telecast/daytona-500-1980-02-17, accessed 2026-09-15.