Video of Irish Speedsailing Champion Oisín van Gelderen breaking all Irish records while sailing in Dungarvan, Co. Waterford, Feb 2011.
Irish GPS Speed Record for 10 sec run: 45.02 knots
500m: 43.96 knots
5 x 10 second average: 44.26knots
Peak Speed: 46.34knots
These are the fastest speeds every achieved by any Irish sailor on Irish waters, though Oisín's highest ever peak speed is 47.17knots on a speed course in the UK.
More on ir777.blogspot.com or surfdock.ie
GPS speed rankings on : gps-speedsurfing.com