20 Jan | Circuito da Gávea![]() NCNon-championship round. No points are awarded. XI Grande Prêmio Cidade do Rio de Janeiro |
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16 Mar | Circuito di Siracusa![]() NCNon-championship round. No points are awarded. II Gran Premio di Siracusa |
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6 Apr | Parco del Valentino![]() NCNon-championship round. No points are awarded. VI Gran Premio del Valentino |
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14 Apr | Circuit de Pau-Ville![]() NCNon-championship round. No points are awarded. XIII Pau Grand Prix |
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14 Apr | Goodwood Motor Circuit![]() NCNon-championship round. No points are awarded. IV Richmond Trophy & IV Lavant Cup |
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19 Apr | Ibsley Circuit![]() NCNon-championship round. No points are awarded. I Ibsley Grand Prix |
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27 Apr | Marseille Parc Borely![]() NCNon-championship round. No points are awarded. X Grand Prix de Marseille |
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3 May | Snetterton Motor Racing Circuit![]() NCNon-championship round. No points are awarded. I Aston Martin Owners Club Grand Prix |
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10 May | Silverstone Circuit![]() NCNon-championship round. No points are awarded. IV BRDC International Trophy |
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11 May | Circuito di Posillipo![]() NCNon-championship round. No points are awarded. V Gran Premio di Napoli |
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11 May | Eläintarhan Ajot![]() NCNon-championship round. No points are awarded. XIV Eläintarhanajot |
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25 May | L’autodrome de Linas-Montlhéry![]() NCNon-championship round. No points are awarded. VI Grand Prix de Paris |
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25 May | Nürburgring![]() NCNon-championship round. No points are awarded. XVI Internationales ADAC Eifelrennen |
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1 Jun | Circuit de Chimay![]() NCNon-championship round. No points are awarded. XXII Grand Prix des Frontières |
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1 Jun | Circuit Automobile d'Albi![]() NCNon-championship round. No points are awarded. XIV Grand Prix de l'Albigeois |
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7 Jun | Dundrod Circuit![]() NCNon-championship round. No points are awarded. VI Ulster Trophy |
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8 Jun | Autodromo Nazionale Monza![]() NCNon-championship round. No points are awarded. V Gran Premio dell'Autodromo di Monza |
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8 Jun | Circuit du Lac d'Aix-les-Bains![]() NCNon-championship round. No points are awarded. IV Aix les Bains Circuit du Lac |
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21 Jun | Boreham Circuit![]() NCNon-championship round. No points are awarded. I West Essex CC Race |
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29 Jun | Circuit de Reims-Gueux![]() NCNon-championship round. No points are awarded. XVI Grand Prix de la Marne |
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13 Jul | Les Sables d'Olonne![]() NCNon-championship round. No points are awarded. II Grand Prix de Sables d'Olonne |
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27 Jul | Circuit de la Prairie![]() NCNon-championship round. No points are awarded. I Grand Prix de Caen |
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2 Aug | Boreham Circuit![]() NCNon-championship round. No points are awarded. II Daily Mail Trophy |
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10 Aug | Circuit automobile du Comminges![]() NCNon-championship round. No points are awarded. XVI Grand Prix de Comminges |
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23 Aug | Turnberry Circuit![]() NCNon-championship round. No points are awarded. I National Trophy |
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24 Aug | La Baule![]() NCNon-championship round. No points are awarded. XI Grand Prix de la Baule |
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14 Sep | Circuit Automobile de Cadours-Laréole![]() NCNon-championship round. No points are awarded. IV Circuit de Cadours |
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14 Sep | Skarpnäcksfältet![]() NCNon-championship round. No points are awarded. II Skarpnäcksloppet |
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14 Sep | Aerautodromo di Modena![]() NCNon-championship round. No points are awarded. III Gran Premio di Modena |
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27 Sep | Goodwood Motor Circuit![]() NCNon-championship round. No points are awarded. V Madgwick Cup |
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28 Sep | AVUS![]() NCNon-championship round. No points are awarded. VIII Internationales Avusrennen |
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4 Oct | Castle Combe Circuit![]() NCNon-championship round. No points are awarded. I Joe Fry Memorial Trophy |
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11 Oct | Charterhall Circuit![]() NCNon-championship round. No points are awarded. I Newcastle Journal Trophy |
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14 Dec | Circuito da Gávea![]() NCNon-championship round. No points are awarded. XII Grande Prêmio Cidade do Rio de Janeiro |
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