Editor’s note: With Champion’s Week in Nashville ongoing, NASCAR.com will look back at every playoff round of the 2023 season in all three national series.
CHAMPIONSHIP RACE: Phoenix Raceway, Nov. 4
Winner: Cole Custer
Key highlights: The battle for the 2023 Xfinity Series title was thrilling right to the very end. Cole Custer steered his way to a career-first series title after slipping from first to third on the final restart. Fellow championship contender John Hunter Nemechek held a fleeting lead but couldn’t turn his No. 20 Toyota in Turn 1 and lost the top spot to Justin Allgaier. It was Allgaier, Sam Mayer and Custer duking it out for the title on the final laps. Custer emerged with a narrow overtime victory to claim the Xfinity Series championship.
Full race recap: Cole Custer wins thrilling Xfinity finale at Phoenix for first title
At-track photos: At-track photos: 2023 Championship weekend
CHAMPIONSHIP 4 ORDER OF FINISH: Cole Custer (1st), Justin Allgaier (3rd), Sam Mayer (5th), John Hunter Nemechek (28th)