Most distance covered in riding-Lawn mower race

Most distance covered in riding-Lawn mower race
Who
Ian Dobson, Robert Jones, Steve Williams
Where
()
When
The greatest distance covered in the annual 12-hour Lawn Mower Race  is 504.7km (313.6miles) by Ian Dobson, Robert Jones and Steve Williams of the team 'Extreme Headless Chickens' at Wisborough Green, UK, 29-30 August 1998. The race was organized by the British Lawn Mower Racing Association.