Longest motocross bike jump with backflip

The longest ramp jump on a motocross bike with flip is 20.21 m (66 ft 4 in) and was achieved by Ben Fiez (Australia) on a Honda CRF during the Crusty Demons Night of World Records at Calder Park Raceway in Melbourne, Victoria, Australia, on 29 March 2008. Adjudicated by Chris Sheedy