Sam Mayer will sit out the final race of the 2025 NASCAR Xfinity Series season after being suspended by NASCAR following a post-race run-in with Jeb Burton at Martinsville.

See the four drivers who advanced to the Championship 4 and will race for the 2025 Xfinity Series title at Phoenix Raceway next Saturday.

Xfinity, owned by Comcast, is entering its final weekend as the title sponsor of Nascar's second-tier series with O'Reilly Auto Parts taking over.

After a grueling year-long battle, the NASCAR Cup Series crowns its 2025 champion on Sunday at Phoenix Raceway. Four drivers - Chase Briscoe, William Byron, Den

Jesse Love and Carson Kvapil moved on in the Xfinity Series Playoffs, while Sammy Smith fell one position shy of a Championship 4 berth.

And then there were four. This Saturday at Phoenix Raceway, four drivers will race for the 2025 NASCAR Xfinity Series championship: Connor Zilisch, Justin Allgaier, Jesse Love, and Carson Kvapil.

We now know who the four drivers are that will be fight for the 2025 NASCAR Xfinity Series championship next weekend. JR Motorsports teammates Connor Zilisch and Justin Allgaier were already locks before Martinsville,

Zilisch, Kvapil, and Allgaier lead a Chevy sweep into Phoenix as JRM eyes back-to-back NASCAR Xfinity Series titles.