Graphic: Backfire Racing.
NASCAR’s Cup Series playoffs use a round-by-round elimination format that steadily narrows the championship field over the course of ten races.
The Playoff Field
Sixteen drivers qualify for the playoffs based primarily on race wins during the regular season, with points used to fill any remaining spots if fewer than sixteen different drivers won a race.
Four Rounds, Steady Elimination
The playoffs are broken into rounds of three races each, with the field cut after every round, sixteen down to twelve, twelve down to eight, and eight down to four, before the final four drivers race head-to-head for the championship at the season’s last event.
Points Reset Between Rounds
Points are reset at the start of each new round, meaning a strong points cushion built up earlier doesn’t fully carry forward, and every driver effectively starts each round on a leveled playing field aside from playoff points earned through wins and stage victories.
Why a Single Bad Race Can End a Season
Because eliminations happen every three races, a mechanical failure or crash at the wrong moment can end a title bid regardless of how strong a driver’s season has been up to that point, a tension echoed in season-defining moments like those covered in Denny Hamlin’s playoff push.
The Championship Finale
The final race pits the last four remaining drivers against each other with the stipulation that whichever of them finishes highest wins the title outright, regardless of the rest of the field, turning the season finale into a winner-take-all shootout among a small group of contenders.
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