8–10 Mar | Sebring International Raceway, United States HSR Sebring Spring Fling | The event has ended. | |
25–28 Apr | Michelin Raceway Road Atlanta, United States 46th HSR Mitty at Michelin Raceway Road Atlanta | The event has ended. | |
6–9 Jun | Watkins Glen International, United States HSR Classic Six Hours of Watkins Glen | The event has ended. | |
19–22 Sep | Michelin Raceway Road Atlanta, United States HSR Atlanta Fall Historics | The event has ended. | |
30 Oct–3 Nov | Daytona International Speedway, United States HSR Classic Daytona presented by IMSA and the HSR Daytona Historics | The event has ended. | |
4–8 Dec | Sebring International Raceway, United States HSR Classic 24 Hour At Daytona/Daytona Historics | The event has ended. |