2027 Calendar
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02 APR 202704 APR 2027
Sonoma Raceway
United States of America
Round 1 & 207 MAY 202709 MAY 2027Circuit of The Americas
United States of America
Round 3 & 421 MAY 202723 MAY 2027Watkins Glen International
United States of America
Round 5 & 618 JUN 202720 JUN 2027Michelin Raceway Road Atlanta
United States of America
Round 7 & 827 AUG 202729 AUG 2027Road America
United States of America
Round 9 & 1010 SEP 202712 SEP 2027Barber Motorsports Park
United States of America
Round 11 & 1201 OCT 202703 OCT 2027Indianapolis Motor Speedway
United States of America
Round 13 & 14