6 NASCAR Feuds and Rivalries That Defined the 2026 Regular Season

Twenty-six races are in the books. The points have been reset. And now the real fight begins.NASCAR’s 16-driver Chase field opens its 10-race championship run Sunday night with the Southern 500 at Darlington Raceway. But the regular season left behind more than race winners and a postseason field.There were run-ins, rivalries, manufacturer battles and even a legal fight away from the track.Before the green flag falls on NASCAR’s first Chase since the championship format was overhaule