4–6 Apr | ![]() |
Eagles Canyon Raceway![]() | |
24–27 Apr | ![]() |
Sonoma Raceway![]() | |
2–4 May | ![]() |
WeatherTech Raceway Laguna Seca![]() | |
25–27 Jul | ![]() |
Portland International Raceway![]() | |
10–12 Oct | ![]() |
Thunderhill Raceway Park![]() | |
30 Oct–2 Nov | ![]() |
Circuit of the Americas![]() U.S. Vintage Racing National Championship |