Highest ramp jump by wheelchair

According to Official Guinness Records,

The highest ramp jump on a wheelchair is 60 cm and was achieved by Aaron Fotheringham (USA) on the set of Lo Show dei Record in Rome, Italy, on 24 March 2010. Aaron has been in a wheelchair since the age of 13 as he suffers from spina biffida.

For a complete list of 2010 records, please visit 2010 Guinness Records in Italy.

Other Italy records that might interest you:

• Most biscuits broken with shoulder blades in one minute
• Longest nose on a living person
• Heaviest competitive male bodybuilder - ever
• Longest underwater kiss (apnea)
• Most consecutive artistic cycling rounds in the raiser head tube rev. / shoulderstand position
• Longest time holding a vertical person overhead
• Largest collection of coloured vinyl records
• Fastest time to change a wheel on a spinning car