Justin Allgaier has secured the 2026 NASCAR O'Reilly Auto Parts Series championship, according to a report by John Breeden for MotorBiscuit published on November 8, 2026. The victory marks Allgaier's first series title in the second-tier national NASCAR division.
The championship conclusion caps a season-long battle in the series formerly known as the Xfinity Series. Allgaier, driving for JR Motorsports, entered the final race with a points advantage and successfully defended his position to claim the trophy.
