Longest ramp jump - quad bike (ATV)

According to Official Guinness Records,

The longest ramp jump on a quad bike is 53.92 m (176 ft 11 in) by Jon Guetter (USA) at the Crusty Demons Night of World Records at Calder Park Raceway in Melbourne, Victoria, Australia, on 29 March 2008.
Jon Guetter, Age: 25, (Can Am 450), USA

For a complete list of 2008 records, please visit 2008 Guinness Records in Australia.

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