Flanagan covered 31,000 solitary miles sailing southwards down the Atlantic, round Cape Horn (with two knockdowns thrown in) and back up the west coast of the Americas, before rounding Russia to port and making his way through Arctic pack ice and back to England.
He arrived in Royal Southern Yacht Club yesterday at 11am, but was told his voyage was not a verifiable record, as he had topped twice.
Flanagan stopped in Hawaii to effect repairs to his mast, and stopped again in Alaska as the pack ice closed in. He also left the boat briefly at one stage mid-Atlantic - unintentionally - but that wasn't taken into the reckoning.
His purpose-built titanium/aluminium 36-foot craft, Barrabas, is now up for sale, and what better CV than 31,000 miles and one careful (if slightly deranged) owner.
Kick its tyres here.
The documentary, named Over the Top, is on the way, and judging by Adrian's gift of the gab, we can confirm that he has Irish roots. We'll tell you more in the next edition of Afloat magazine. For now, here's a vid of Ado the Intrepid: