The 2025 Formula Winter Series will be the third season of the Formula Winter Series. It is a multi-event motor racing championship for open wheel, formula racing cars regulated according to FIA Formula 4 regulations, based in Spain.
| Team | No. | Driver | Class | Rounds |
|---|---|---|---|---|
 AKM Motorsport[1] | TBA | TBA | TBC | |
| TBA | TBA | TBC | ||
 Argenti Motorsport[2] | TBA | TBA | TBC | |
| TBA | TBA | TBC | ||
| TBA | TBA | TBC | ||
 AS Motorsport[3] | TBA | TBA | TBC | |
| TBA | TBA | TBC | ||
 Cram Motorsport[4] | TBA | TBA | TBC | |
| Hitech Grand Prix[5] | TBA | Thomas Bearman[6] | TBC | |
| TBA |  Nina Gademan | TBC | ||
| TBA | nowrap |  Fionn McLaughlin | TBC | |
| TBA |  Leo Robinson | TBC | ||
| Jenzer Motorsport[7] | TBA | TBA | TBC | |
| TBA | TBA | TBC | ||
| TBA | TBA | TBC | ||
| TBA | TBA | TBC | ||
| JHR Developments[8] | TBA | TBA | TBC | |
| TBA | TBA | TBC | ||
 Maffi Racing[9] | TBA | TBA | TBC | |
| TBA | TBA | TBC | ||
| TBA | TBA | TBC | ||
 Renauer Motorsport | TBA | Simon Schranz[10] | TBC | |
| TBA | TBA | TBC | ||
| US Racing[11] | TBA | TBA | TBC | |
| TBA | TBA | TBC | ||
| TBA | TBA | TBC | ||
| TBA | TBA | TBC | ||
| TBA | TBA | TBC | ||
| Van Amersfoort Racing[12] | TBA |  Dante Vinci[13] | TBC | |
| TBA | TBA | TBC | ||
| TBA | TBA | TBC | ||
| TBA | TBA | TBC |
| Round | Circuit | Date | Supporting | Map of circuit locations | ||
|---|---|---|---|---|---|---|
| 1 | R1 | Algarve International Circuit, Portimão | 30 January–2 February | 6 Hours of Portimão | ||
| R2 | ||||||
| R3 | ||||||
| 2 | R1 |  Circuit Ricardo Tormo, Cheste | 13–16 February | GT Winter Series GT4 Winter Series | ||
| R2 | ||||||
| R3 | ||||||
| 3 | R1 | MotorLand Aragón, Alcañiz | 1–3 March | GT Winter Series Prototype Winter Series GT4 Winter Series | ||
| R2 | ||||||
| R3 | ||||||
| 4 | R1 | Circuit de Barcelona-Catalunya, Montmeló | 6–9 March | GT Winter Series Prototype Winter Series GT4 Winter Series | ||
| R2 | ||||||
| R3 | ||||||
| Source:[14] | ||||||