Select to expand quoteregal1 said..
Must have been recorded on a garmin. Hilarious windsurfing ad for duotone/fanatic.
And it's a secret spot ("Fos sur mer" in the south of France btw) so they won't release their gps files to be checked.
They remind me Gru's Minions from 'Despicable Me', only in red leotards rather then blue overalls....
Humph! By that that measure, (37kts x 2) Craig Hollins and did over 74 knots (2 sec) on the speed tandem 14 years ago! And it only took two of us to do it. 
(37.08kt x 2 secs) 68.52Kt x 500m (34.26kn)
