http://boardsurfr.blogspot.com/2013/02/new-distance-record-winter-freestyle.html

"The picture above shows the Australian speedsurfer Kato on his way to setting a new world record for distance: 552.66 km (343 miles) in 24 hours. He actually sailed "only" about 14 hours, but beat the previous record by almost 32 km."

[rimg=500,261]http://www.seabreeze.com.au/Img/Photos/Windsurfing/6912159.jpg[/rimg]

Top speed: 40.8 knots (47 mph, 75 km/h) (2 second average)
Fastest hour: 27.2 knots (50 km/h)
Run length: 2 - 2.5 km (a bit more than a nautical mile)
# of jibes: about 300
"Dropped" jibes: 5

- source: Windsurf Loop http://boardsurfr.blogspot.com