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The Formula 2 Championship, often abbreviated as F2, is an FIA-sanctioned open-wheel racing category that serves as the primary feeder series to Formula One. Introduced in 2017 as a rebranding and restructuring of the GP2 Series, F2 features Dallara-constructed chassis powered by Mecachrome V6 turbo engines. Races take place primarily as part of Formula One weekends, with each round consisting of two races.