Rallycross Schedule

14 - 16/04/2018 - Spain/ World RX of Catalunya / Circuit de Barcelona - Catalunya

28 - 29/04/2018 - Portugal/ World RX of Portugal / Rallycross Circuit of Montalegre

12 - 13/05/2018 - Belgium/ World RX of Belgium / Circuit Jules Tacheny Mettet

25 - 27/05/2018 - Great Britain/ Speedmachine Festival - World RX of Great Britain / Silverstone Circuit

09 - 10/06/2018 - Norway/ World RX of Norway / Hell Circuit

30 - 01/07/2018 - Sweden/ World RX of Sweden / Höljes Motorstadion Rallycross Circuit

04 - 05/08/2018 - Canada/ World RX of Canada / Grand Prix de Trois-Rivières

01 - 02/09/2018 - France/ World RX of France / Circuit Lohéac Bretagne

15 - 16/09/2018 - Latvia/ Neste World RX of Latvia / Bikernieki National Sports Base Circuit

29 - 30/09/2018 - USA/ World RX of USA / Circuit of the Americas

13 - 14/10/2018 - Germany/ World RX of Germany / Estering

24 - 25/11/2018 - South Africa/ World RX of South Africa / Killarney International Raceway

Thanks to FIA World RX for information. More details and official tickets by link on World RX.
I saw a little bit more details on official

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