It started at Valkenswaard in the Netherlands on 18 April, and ended at Imola in Italy on 30 September.
An 11-round calendar for the 2018 season was announced on 25 October 2017.
A 9-round calendar for the 2018 season was announced on 25 October 2017.
A 6-round calendar for the 2018 season was announced on 25 October 2017.
A 1-round calendar for the 2018 season was announced on 25 October 2017.