Here are the NASCAR Xfinity Series results today from Sonoma Raceway, including the Xfinity Series stage results.

Connor Zilisch held off JR Motorsports teammate Shane van Gisbergen in the closing laps to win Saturday’s NASCAR Xfinity Series race at Sonoma Raceway for his fourth career victory. The two battled 1-2 for nearly the entire 79-lapper in Wine Country, the duo combining to lead all but nine laps and trading blows throughout the first two stages.

For Zilisch, the victory was revenge for last Saturday’s Xfinity race at the Chicago Street Course, where the 36-year-old van Gisbergen ran his 18-year-old teammate wide in Turn 2 to take the lead and win a two-lap shootout for the victory.

Connor Zilisch and Shane van Gisbergen. It’s a blossoming rivalry that will likely play out on the road courses for many years to come in the NASCAR Cup Series,

Sonoma will be the second straight road-course race for NASCAR, and the fourth of the season. Two more remain: Watkins Glen and the Charlotte Roval.

Who won the NASCAR Xfinity Series race at Chicago? Shane van Gisbergen is the winner, plus full NASCAR Xfinity Series results at the Chicago street course.

The NASCAR Xfinity Series at the 2025 Chicago Street Race will air on The CW, and streams live on DirecTV (free trial).

The NASCAR Xfinity Series returns to the Windy City on Saturday for The Loop 110 and the only street race on the season calendar.

Since 1968, Sonoma Raceway has been taken to by race car drivers from across the globe, particularly those who have staked their names and raced their careers in the NASCAR Cup Series. Since taking the place of the legendary Riverside International Raceway on NASCAR's schedule in 1989,