Xfinity will end its sponsorship of the Xfinity Series after this season but remain a premier partner of the NASCAR Cup Series. NASCAR announced that Xfinity had signed a multi-year deal to remain a premier partner and a one-year deal to be the entitlement sponsor of the Xfinity Series.

Comcast’s Xfinity brand is ending its sponsorship of NASCAR’s second-tier Xfinity Series at the end of the 2025 season before evolving into a different sponsorship role within NASCAR, league sources said. An announcement is expected Tuesday.

In partnership with NASCAR Cup Series Premier Partner Comcast, NASCAR will debut the “Xfinity Fastest Lap” program across the NASCAR Cup Series, NASCAR Xfinity