Connor Zilisch held off Shane van Gisbergen over the final laps to win Saturday’s Xfinity Series race at Sonoma Raceway. It marked the second race in a row the two finished first and second but last weekend at Chicago it was van Gisbergen defeating Zilisch.

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.

(NEXSTAR) — Connor Zilisch edged out his teammate, Shane van Gisberge,n to take the checkered flag at Sonoma Raceway in the Pit Boss/FoodMaxx 250. In Zilisch’s third win of the season, the 18-year-old also made history by becoming the youngest ever driver to reach four career wins in the Xfinity Series.

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 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,

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

Alex Bowman, who is battling Ty Dillon this week in the NASCAR In-Season Challenge, starts ninth. Kyle Larson and Chase Elliott will start 11th and 13th respectively for Sunday's race.

Christian Eckes returned to moonlight in the No. 19 NAPA Nightvision Chevrolet SS at Sonoma Raceway and showed off with a scintillating second-place result on Friday afternoon. The NASCAR Xfinity Series regular recovered from an early spin to contend for the victory after rebounding from the tail of the field.