O'Reilly Auto Parts Series TV Ratings: Iowa Speedway

The CW earned 1,017,000 total viewers for last Saturday’s HyVee Perks 250 O’Reilly Auto Parts Series race at Iowa Speedway, per Nielsen panel-only data. It’s the most-watched Iowa race since 2018 when it aired on FS1. The audience grew 1% compared to last year’s Iowa race, held one weekend earlier. Viewership peaked in the closing […]