Guinness World Records - Officially Amazing

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For the record

  • Who: Ken Warby

  • What: Water speed record (fastest boat)

  • Where: Australia

The official world water speed record is 275.97 knots (511.11 km./h, or 317.58 mph) by Ken Warby in the unlimited-class jet-powered hydroplane Spirit of Australia on Blowering Dam Lake, New South Wales, Australia, on 8 October 1978. However, it is estimated that Warby reached an estimated 300 knots (555 km/h., or 344.86 mph) unofficially at the same location on 20 November 1977.

 

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