18 May | Circuit Bremgarten![]() XII Großer Preis der Schweiz |
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30 May | Indianapolis Motor Speedway![]() 36th International 500-Mile Sweepstakes |
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22 Jun | Circuit de Spa-Francorchamps![]() XIV GROTE PRIJS VAN BELGIE |
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6 Jul | Circuit de Rouen-Les Essarts![]() XXXIX Grand Prix de l'ACF |
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19 Jul | Silverstone Circuit![]() V RAC British Grand Prix |
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3 Aug | Nürburgring Nordschleife![]() XV Großer Preis von Deutschland |
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17 Aug | CM.com Circuit Zandvoort![]() III Grote Prijs van Nederland |
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7 Sep | Autodromo Nazionale Monza![]() XXIII GRAN PREMIO D'ITALIA |
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26 Oct Cancelled | Circuito de Pedralbes![]() XII Gran Premio de España |