Weymouth Speedweek took place here in the UK last week.
A Hobie trifoiler won the boats section with an impressive average speed over a 500m course of 27.93 knots.
The fastest windsrurfer was only 1.1knots ahead at 29.07knots. However the windsrfer was a professional, the fastest novice was 24knots. I don't think the Trifoiler sailor was a pro but I could be wrong.
To my mind that puts them neck and neck in a 500m drag race.
see
http://www.speedsailing.com/Weymouth_2005.htmand
http://www.speedsailing.com/Weymouth_2005_entrants.htm 
