9–10 Apr | ![]() |
Virginia International Raceway![]() |
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4–5 Jun | ![]() |
Watkins Glen International![]() |
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1–2 Jul | ![]() |
Mid-Ohio Sports Car Course![]() |
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17 Sep | ![]() |
Lime Rock Park![]() |
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15–16 Oct | ![]() |
Watkins Glen International![]() |
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