| 2025 |
30-03 |
2025 HWS 1 - Surfclub Ter Aar (STA) |
NED |
Ter Aar |
Holland Windsurfing |
| 2025 |
05-04 - 06-04 |
Tulpen Race |
NED |
Loosdrecht |
Watersportvereniging 'het Witte Huis' Loosdrecht |
| 2025 |
12-04 - 13-04 |
Optispring |
NED |
Ouddorp |
Dinghy Optimist Class Belgium |
| 2025 |
12-04 |
KWS Training Valkenklasse |
NED |
Sneek |
Koninklijke Watersportvereniging Sneek |
| 2025 |
13-04 |
Openings training SKON |
NED |
Loosdrecht |
Splash Klasse Organisatie Nederland |
| 2025 |
18-04 - 21-04 |
Magic Marine Optimist Easter Regatta 2025 |
NED |
Roelofarendsveen |
Optimist Club Nederland |
