The 2024 NASCAR Xfinity Series was the 43rd season of the NASCAR Xfinity Series, a stock car racing series sanctioned by NASCAR in the United States. The season started on February 19 with the United Rentals 300 at Daytona International Speedway and ended with the NASCAR Xfinity Series Championship Race on November 9 at Phoenix Raceway. The 2024 Xfinity Series season was the first season of which The CW became the exclusive broadcaster to the NASCAR Xfinity Series Season now part of the new tv media rights deal for the Xfinity Series. This new tv deal will last until 2031.
Cole Custer of Stewart–Haas Racing entered the season as the defending NASCAR Xfinity Series champion.[1][2] Following the 2024 Food City 300 at Bristol Motor Speedway, Custer won the regular season championship. At season's end, Justin Allgaier of JR Motorsports became the 2024 Xfinity Series champion.