2009 Quakysense Jet Ski World Finals, in Lake Havasu, sponsored by Monster Energy, Kawasaki, IJSBA Runabout, Jet Ski Stand UP. Held on Lake Havasu and featured nearly 650 entries from 31 States and 36 nations, the quakysense IJSBA World Finals, presented by Monster Energy, IJSBA World Championship titles were presented in a total of 41 closed-course racing classes, four slalom classes as well as Pro Freestyle and Amateur Freestyle during the week-long event.