Suhaili during her stay at the National Maritime Museum until 2001 Thirty-seven years after he became the first person to sail single-handed round the world without stopping, Sir Robin Knox-Johnston is to attempt the feat again this October.

Sir Robin took 312 days to complete his solo voyage in 1969 in the 32-foot yacht Suhaili, winning The Sunday Times Golden Globe Race. Now aged 67, he hopes to achieve a similar success in the Velux 5 Oceans race, which he is aiming to complete in 112 days. Participants in the gruelling three-stage race may face huge storms and waves up to 25 metres high, as well as severe isolation and sleep-deprivation.

Take the Ocean Challenge

Test your own sailing skills in our Ocean Challenge game and see how you fare on a dangerous Atlantic voyage. Sail a super yacht safely to the Caribbean, take part in the famous cross-Atlantic race from Falmouth to Antigua or face shipwreck in a fierce mid-Atlantic storm.

• Play the game (opens in new window. Requires Flash player)

Ocean Challenge is part of the new website Sail Safe – an introduction to safety at sea.