Connor Zilisch, Justin Allgaier, Jesse Love and Carson Kvapil will battle for the title on the 1-mile oval in Avondale, Arizona.

Dale Earnhardt Jr. shares his thoughts on Connor Zilisch’s standout 2025 Xfinity Series and the tough championship loss at Phoenix Raceway.

Taylor Gray held off Sammy Smith in overtime to win Saturday's Xfinity Series race at Martinsville Speedway as the Championship 4 is set.

AVONDALE, Ariz. - Before Kyle Larson and William Byron took to Phoenix Raceway on Saturday to qualify for Sunday's Championship 4 tilt in the NASCAR Cup Series, the Xfinity Series had a little business to take care of in terms of setting the starting lineup for its own finale on Saturday night.