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

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,

Connor Zilisch and Shane van Gisbergen delivered a thrilling 1-2 finish for JR Motorsports (JRM) in the 2025 Xfinity Series race at Sonoma.

Leaders Summary (Driver, Times Led, Laps Led): C.Zilisch, 4 times for 46 laps; S.Van Gisbergen, 4 times for 24 laps; S.Mayer, 1 time for 5 laps; B.Jones, 1 time for 4 laps.

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.

NASCAR makes its singular 2023 California stop this weekend at Sonoma Raceway, drawing racing fans to witness thrilling competitions including the General Tire 200

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

However, just one more loose lug nut would have likely seen a repeat of the $10,000 fine levied against Zilisch at Nashville, which also saw his crew chief suspended for a race and resulted in team owner Dale Earnhardt Jr. step into that role and win on his crew chief debut.