 As of 2020, he is the first and only person to achieve the Ocean Explorers Grand Slam (performing open-water crossings on each of the five oceans using human-powered vessels) and has claimed overall speed Guinness World Records for the fastest rowing of all four oceans (Atlantic, Indian, Pacific and Arctic) in a human-powered row boat.He had achieved a total of 41, including 33 performance based Guinness World Records by 2020.Swimming is popular in Iceland.