2025 World Supersport 300 Calendar
| Event | Location | Dates |
|---|---|---|
| Portugal | Portimão | 28 Mar - 30 Mar |
| Netherlands | TT Circuit Assen | 11 Apr - 13 Apr |
| Czechia | Autodrom Most | 16 May - 18 May |
| Emilia-Romagna | Misano World Circuit Marco Simoncelli | 13 Jun - 15 Jun |
| France | Circuit de Nevers Magny-Cours | 05 Sep - 07 Sep |
| Aragon | Motorland Aragón | 26 Sep - 28 Sep |
| Estoril | Circuito do Estoril | 10 Oct - 12 Oct |
| Spain | Jerez | 17 Oct - 19 Oct |