Jeff Gordon clinched victory at Martinsville to guarantee that his final race in the NASCAR Sprint Cup Series before retirement will be for the 2015 title.
A spectacularly dominant display by Kevin Harvick keeps the reigning champion in the Chase against the odds - but six-time champ Jimmie Johnson is out.
Matt Kenseth won the final race of the regular season, as the full 2015 Chase line-up for the NASCAR Sprint Cup title play-offs is decided at Richmond.