Alastair Humphreys is an Adventurer, Microadventurer, Author and Blogger. He spent over 4 years cycling round the world, a journey of 46,000 miles through 60 countries and 5 continents. More recently Alastair has walked across southern India, run 6 marathons through the Sahara desert, completed a crossing of Iceland, and participated in an expedition in the Arctic (close to the magnetic North Pole) and rowed across the Atlantic Ocean. Alastair has trekked 1000 miles across the Empty Quarter desert and 120 miles round the M25 - one of his pioneering microadventures. He was named a National Geographic Adventurer of the Year for his microadventures - simple, local adventures perfect for people's busy lives.