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.

Shane van Gisbergen won the NASCAR Cup Series race at Sonoma, which also served as the third round of the inaugural In-Season Challenge.