An ambitious Russian priest hoping to break a world record has rowed more than 11,500 kilometres across the South Pacific Ocean - eating only dehydrated meals from a New Zealand company.

Fedor Konyukhov, 67, an avid extreme adventurer, kicked off his mammoth cross-ocean expedition in Dunedin at the beginning of December and completed the first stage of his three-part solo circumnavigation of the world in Chile last week.

Stage two of the trip is scheduled to kick off later this year, and another in 2020 will see him row from Chile to Albany in Western Australia, then from Australia back