Stumbled across this clip. Not sure if it still holds the record, but I was impressed be the performance of the board. It even towed a skier ! The hull shape looks like a big Open Div 2 board.
And a less professional approach from some crazy dutch guys:
As if the things aren't too large, slow and hard to transport as it is......lol. 10 blokes in skin tight suits all poledancing together.........yeeeaahhh,,,,weellllll,,,,enjoy what ever you guys enjoy.
