PORTSMOUTH, UNITED KINGDOM - MAY 12:  Sir Robin Knox-Johnston - who made history last week as he completed a second solo circumnavigation of the planet - guides his boat, Saga Insurance, up the Solent into the harbour at Gunwharf Quays on May 12, 2007 in Portsmouth, England. Having completed the Velux 5 Oceans, the 68-year-old sailing legend Sir Robin Knox-Johnston was escorted by the Clipper Round the World Racing fleet and a Royal Navy escort to Gunwharf Quays, nearly 40 years after he became the first person to sail non-stop around the world in the Sunday Times Golden Globe race and becomes the oldest person to have completed this classic race. Getty Images logo Getty Images 61 months ago

PORTSMOUTH, UNITED KINGDOM - MAY 12: Sir Robin Knox-Johnston - who made history last week as he completed a second solo circumnavigation of the planet - guides his boat, Saga Insurance, up the Solent into the harbour at Gunwharf Quays on May 12, 2007 in Portsmouth, England. Having completed the Velux 5 Oceans, the 68-year-old sailing legend Sir Robin Knox-Johnston was escorted by the Clipper Round the World Racing fleet and a Royal Navy escort to Gunwharf Quays, nearly 40 years after he became the first person to sail non-stop around the world in the Sunday Times Golden Globe race and becomes the oldest person to have completed this classic race.