SONOMA, CALIFORNIA - JUNE 27: Shane Van Gisbergen, driver of the #9 SuperFile Chevrolet, celebrates with a burnout after winning the NASCAR O'Reilly Auto Parts Series Pit Boss/FoodMaxx 250 at Sonoma Raceway on June 27, 2026 in Sonoma, California. (Photo by James Gilbert/Getty Images) | Getty Images
SONOMA, CALIFORNIA - JUNE 27: Shane Van Gisbergen, driver of the #9 SuperFile Chevrolet, celebrates with a burnout after winning the NASCAR O'Reilly Auto Parts Series Pit Boss/FoodMaxx 250 at Sonoma Raceway on June 27, 2026 in Sonoma, California. (Photo by James Gilbert/Getty Images) | Getty Images

O’Reilly Auto Parts Series TV Ratings: Sonoma Raceway

The CW scored 1,145,000 total viewers for Saturday’s Pit Boss/FoodMaxx 250 O’Reilly Auto Parts Series race at Sonoma Raceway, per Nielsen panel-only data.Viewership peaked between 6:45-7:00 p.m. ET at 1,231,000 total viewers.

It is the most-watched Sonoma race since the track debuted on the O’Reilly schedule in 2023. Year over year, The CW had an 18% increase over viewership from last year’s Sonoma race, which was two weeks later.