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

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

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,

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.

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.

See where Xfinity Series drivers will roll off for Friday's qualifying session in Wine Country (5:10 p.m. ET, The CW App).

Shane van Gisbergen passed JR Motorsports teammate Connor Zilisch for the lead with two laps to go to win Saturday’s NASCAR Xfinity street race in Chicago. It is the second year in a row that van Gisbergen has won this event.

When NASCAR introduced the Next Gen car into the Cup Series in 2022, the sanctioning body did so with the knowledge that the gap between the Cup and Xfinity Series platforms would widen considerably.