Who Won Xfinity Series 2025 Schedule. Austin hill, driver of the #21 bennett transportation chevrolet, drives during the nascar xfinity series championship race at phoenix raceway on november 09, 2025 in. The 2025 nascar xfinity series season has come to an end, and one driver has finally earned his first title.
November 9, 2025 11:14 pm et. Justin allgaier clinches 2025 xfinity series championship.