The SP80 kite boat crossed the 100 kmh speed mark last week, reaching 108 kmh, or 67.1 mph. That makes it the second-fastest sailboat ever recorded, but the Swiss team still plans to pursue the record set by Paul Larsen on Vestas Sailrocket II in 2009. That boat posted an average of 75.31 mph over 500 meters, or 547 yards.
But it was good enough to surpass the top speeds recorded of the world’s fastest racing sailboats. An AC75 in the America’s Cup reached 63.98 mph, and the…

