Fastest circumnavigation by tandem bicycle (male)
Who
George Agate, John Whybrow
What
290:7:36 day(s):hour(s):minute(s):second(s)
Where
United Kingdom (Canterbury)
When

The fastest circumnavigation by tandem bicycle is 290 days 7 hr 36 min and was achieved by George Agate and John Whybrow (both UK) starting and ending in Canterbury, UK, from 8 June 2016 to 25 March 2017.

The pair, riding as "The Tandem Men", travelled over 29,946.8 km (18608.07 miles)