2023 NASCAR Xfinity Series

300 on February 18 at Daytona International Speedway and ended with the NASCAR Xfinity Series Championship Race on November 4 at Phoenix Raceway.

In addition this was the penultimate season of Fox and NBC’s tv contract for the Xfinity Series.

Ty Gibbs won the championship in 2022, but did not compete for a second consecutive title as he moved up to the Cup Series in 2023, driving full-time for Joe Gibbs Racing, replacing Kyle Busch.

At season's end, Cole Custer of Stewart–Haas Racing became the 2023 Xfinity Series champion.

– Eliminated after Round of 8 (key) Bold – Pole position awarded by time.

Cole Custer , the 2023 Xfinity Series champion.
Justin Allgaier finished second in the championship.
Sam Mayer finished third behind Custer in the championship.
John Hunter Nemechek finished fourth in the championship.
Austin Hill won the regular season championship, but finished fifth in the playoffs.
Sammy Smith , the 2023 NASCAR Xfinity Series Rookie of the Year .
The Stewart–Haas Racing No. 00 car driven by Cole Custer won the owners' championship.
Chevrolet won the Xfinity Series manufacturers' championship with 1234 points and 17 wins.
The Explore the Pocono Mountains 225 at Pocono Raceway in July.