7–8 Feb | ![]() |
Homestead-Miami Speedway![]() |
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28–29 Mar | ![]() |
Sebring International Raceway![]() |
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2–3 May | ![]() |
Michelin Raceway Road Atlanta![]() |
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26–28 Jun | ![]() |
Road America![]() |
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28–29 Aug | ![]() |
Lime Rock Park![]() |
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3–4 Oct | ![]() |
Circuit of the Americas![]() |
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