From the roar of Daytona in February to the final laps under the desert sun in Phoenix, what a season it's been. Incredible storylines, unforgettable races, and championship dreams all coming down to this final weekend.

With one last race for each series — Trucks, Xfinity, and Cup — the Championship 4 drivers crank it up one final time in 2025 to chase the titles they've fought for all year!

Storylines heading into Phoenix: Truck Series: Can anyone catch Corey Heim? He's chasing history with the most wins in a single Truck season. Will defending champ Ty Majeski spoil the party? Xfinity Series: Another dominant year — Connor Zilisch has made a huge splash with 10 wins, but teammate and defending champ Justin Allgaier isn't backing down. Keep an eye on Jesse Love and Carson Kvapil, the third JRM contender in the title mix! Cup Series: It's a heavyweight showdown — William Byron's clutch Martinsville win, Larson advancing on points, plus Hamlin and Briscoe locking in with victories set the stage for a Hendrick vs. Joe Gibbs classic under the desert lights.

Plus: Yellow Flag / Green Flag Interview with Xfinity Series Champion Jesse Love Discussions with Dave NASCAR History Time …and complete Championship 4 coverage for all three series on this season-finale episode of Splash of Gas with Dave Weichert!