2025 Entry Lists
Season
| Circuit Names / Country | Date | List |
|---|---|---|
| Sonoma Raceway / United States of America | 28 - 30 March 2025 | Not available |
| Circuit of the Americas / United States of America | 25 - 27 April 2025 | Not available |
| Sebring International Raceway / United States of America | 16 - 18 May 2025 | Not available |
| VIRginia International Raceway / United States of America | 18 - 20 July 2025 | Not available |
| Road America / United States of America | 15 - 17 August 2025 | Not available |
| Barber Motorsports Park / United States of America | 5 - 7 September 2025 | Not available |
| Indianapolis Motor Speedway / United States of America | 17 - 19 October 2025 | Not available |