23 July 2022 @ 8:00 am - 25 July 2022 @ 5:00 pm SPLL Grand Slam Yyteri Pori, Finland Ranking race by Finnish Windsurfing Association Course race website: https://windsurferclass.fi/event/spll-grand-slam-yyteri-windsurfer-mukana/ info: info@windsurferclass.fi