To win the Shark World Championship once or twice is an honour but to be a multi time winner is a feat worth of acknowledgement. Below is a list of the most successful World Championship sailors the class has seen, as well as the boats that have won multiple championships.
John Clark - 7 times
Sidney Dakin - 6 times
Greg Cockburn - tied 4 times
David Foy - tied 4 times
John Dakin - 7 times
Don Ruddy - 6 times
Peter Eager - tied 4 times
David O'Sullivan - tied 4 times
Jamie Foy - tied 4 times
Duck Soup / Icarus (CAN 808) - 5 times
Eager for More/Zuchini (CAN 1481) - tied 4 times
Crazy Ivan (CAN815) - tied 4 times
Kingston Yacht Club - 10 times
Royal Canadian Yacht Club - 7 times
Boulevard Club - 6 times
Canda - 42 times
Austria - 5 times
Germany - 4 times