Connor Zilisch and Jade Buford secured NASCAR Xfinity Series wins at Sonoma, while AO Racing repeated as IMSA pole-sitters.

AO Racing and Hyett achieved a significant milestone by becoming the first repeat IMSA LMP2 pole-sitters at the Canadian Tire Motorsport Park. Meanwhile, at Sonoma Raceway, Connor Zilisch secured his third NASCAR Xfinity Series win of the season, outpacing Shane van Gisbergen in a thrilling race finale. This victory marks Zilisch's third win of the season, highlighting his strong performance in the NASCAR Xfinity Series.