SONOMA, CALIFORNIA - JULY 12: Connor Zilisch, driver of the #88 Roto-Rooter Chevrolet, celebrates with a burnout after winning the NASCAR Xfinity Series Pit Boss/FoodMaxx 250 at Sonoma Raceway on July 12, 2025 in Sonoma, California. (Photo by Chris Graythen/Getty Images) | Getty Images
SONOMA, CALIFORNIA - JULY 12: Connor Zilisch, driver of the #88 Roto-Rooter Chevrolet, celebrates with a burnout after winning the NASCAR Xfinity Series Pit Boss/FoodMaxx 250 at Sonoma Raceway on July 12, 2025 in Sonoma, California. (Photo by Chris Graythen/Getty Images) | Getty Images

Xfinity Series TV Ratings for Sonoma

The CW earned 972,000 total viewers for Saturday’s Pit Boss/FoodMaxx 250 Xfinity Series race at Sonoma Raceway. The race was won by Connor Zilisch in a thrilling battle over Shane van Gisbergen in the closing laps.

Viewership peaked at 1,090,000 viewers. It’s the most-watched Xfinity Series race at Sonoma to date (third race), up 27% from last year’s race that aired in early June on FS1.