Teams and drivers
| Team | No. | Driver | Rounds |
|---|---|---|---|
 Crosslink Motorsports | TBA | Kekai Hauanio | TBC |
| MLT Motorsports | TBA |  Alex Popow [1] | TBC |
| Scuderia Buell | TBA |  Conor Grant [1] | TBC |
The 2025 Formula 4 United States Championship season will be the tenth season of the Formula 4 United States Championship, a motor racing series regulated according to FIA Formula 4 regulations and sanctioned by SCCA Pro Racing, the professional racing division of the Sports Car Club of America.
| Team | No. | Driver | Rounds |
|---|---|---|---|
| Crosslink Motorsports | TBA | Kekai Hauanio | TBC |
| MLT Motorsports | TBA | Alex Popow [1] | TBC |
| Scuderia Buell | TBA | Conor Grant [1] | TBC |
The 2025 calendar was announced on 27 September 2024. [2] [3]
| Round | Circuit | Date | Supporting | |
|---|---|---|---|---|
| 1 | R1 | NOLA Motorsports Park, Avondale | 27–30 March | Formula Regional Americas Championship SVRA |
| R2 | ||||
| R3 | ||||
| 2 | R1 | Road America, Elkhart Lake | 15–18 May | Formula Regional Americas Championship SVRA |
| R2 | ||||
| R3 | ||||
| 3 | R1 | Mid-Ohio Sports Car Course, Lexington | 19–22 June | Formula Regional Americas Championship Trans-Am Series SVRA |
| R2 | ||||
| 4 | R1 | New Jersey Motorsports Park, Millville | 31 July–3 August | Formula Regional Americas Championship SVRA |
| R2 | ||||
| R3 | ||||
| 5 | R1 |  Canadian Tire Motorsport Park, Bowmanville | 28–31 August | Formula Regional Americas Championship Trans-Am Series |
| R2 | ||||
| R3 | ||||
| 6 | R1 | Virginia International Raceway, Alton | 18–21 September | Formula Regional Americas Championship Trans-Am Series SVRA |
| R2 | ||||
| 7 | R1 | Barber Motorsports Park, Birmingham | 17–19 October | Formula Regional Americas Championship Trans-Am Series SVRA |
| R2 | ||||