Daytona 500 (1985-02-17): 9,800,000 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-500-1985-02-17, accessed 2026-09-15.