2021 Circuit Series

The 2021 Circuit Series is an upcoming sports car racing series organized by the North American Production Car Championship Association (NAPCCA), in conjunction with the Stephane Ratel Organisation (SRO), and Fédération Internationale de l'Automobile (FIA). It features grand tourer (GT) racing cars based upon production road cars that comply with the FIA's GT3 regulations.

Teams and Drivers
Sixteen teams took part in the 2020 championship. Two teams were entered by each constructor, with three drivers taking part per team, for a total of ninety-six drivers.

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Schedule
Twenty-one rounds were announced as part of the NAPCCA's 2021 Circuit Series Expansion Initiative, announced in November 2020 and introduced for the opening round in Le Castellet. The calendar was confirmed at a press conference at the site of winter testing at Motorsport Arena Oschersleben in Oschersleben, Germany.