2027 Calendar
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19 MAR 202721 MAR 2027
Grand Prix of Arlington
United States of America
Round 1 & 202 APR 202704 APR 2027Sonoma Raceway
United States of America
Round 3 & 407 MAY 202709 MAY 2027Circuit of The Americas
United States of America
Round 5 & 621 MAY 202723 MAY 2027Watkins Glen
United States of America
Round 7 & 818 JUN 202720 JUN 2027Michelin Raceway Road Atlanta
United States of America
Round 9 & 1027 AUG 202729 AUG 2027Road America
United States of America
Round 11 & 1201 OCT 202703 OCT 2027Indianapolis Motor Speedway
United States of America
Round 13 & 14