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, but now in back-to-back weeks, the NASCAR Xfinity Series has seen the Trackhouse development duo sparring for victories.

Who won the NASCAR Xfinity Series race at Sonoma? Connor Zilisch is the winner, plus full NASCAR Xfinity Series results at Sonoma Raceway.