The NASCAR Cup Series playoff picture was dramatically altered following the Xfinity 500 at Martinsville Speedway on November 1, 2026, shaking up the championship chase ahead of the season finale.
Kyle Larson, driving the No. 5 HendrickCars.com Chevrolet, was among the competitors at the historic short track. The race results reconfigured the standings and set the stage for a decisive championship finale.



