31 Jan–2 Feb ProvisionalThe event or date is not yet fully confirmed officially. | Sebring International Raceway, United States | ||
21–23 Mar ProvisionalThe event or date is not yet fully confirmed officially. | Virginia International Raceway, United States | ||
11–12 Apr ProvisionalThe event or date is not yet fully confirmed officially. | Michelin Raceway Road Atlanta, United States | ||
6–8 Jun ProvisionalThe event or date is not yet fully confirmed officially. | Watkins Glen International, United States | ||
30 Aug–1 Sep ProvisionalThe event or date is not yet fully confirmed officially. | Road America, United States |