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

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,

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.

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.

The NASCAR Xfinity Series heads to wine country and Sonoma Raceway on Saturday for the Pit Boss/FoodMaxx 250 (4:30 p.m. ET, The CW, PRN Radio, SiriusXM NASCAR Radio).

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.