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,

In closing laps of the Pit Boss/FoodMaxx 250 at Sonoma Raceway, the pupil schooled the master.Taking shot after shot from JR Motorsports teammate Shane van Gisbergen over the final two laps, Connor Zilisch held off the more experienced driver to claim his third NASCAR Xfinity Series victory of the

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.

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.

William Byron rolled onto the track in group one and set a lap time of 75.025 seconds, a good enough time for third place. Alex Bowman, who is battling Ty Dillon this week in the NASCAR In-Season Challenge, starts ninth. Kyle Larson and Chase Elliott start 11th and 13th for Sunday's race.

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.

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.