The insoles of Kenya's Eliud Kipchoge's running shoes are seen slipping up to his ankles, after he crosses the finish line to win the men's 42nd Berlin marathon on Sunday. He won the race, but missed the world record by 63 seconds. Hannibal Hanschke/Reuters /Landov hide caption

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Google vice president Alan Eustace is lifted by a balloon into the stratosphere, in a record-breaking skydive over New Mexico Friday. Paragon Space Development Corporation/Reuters /Landov hide caption

toggle caption Paragon Space Development Corporation/Reuters /Landov

British cyclist Graeme Obree, 48, celebrates setting the land speed record for prone cycling at the International Human Powered Vehicle track near Battle Mountain, Nevada. AFP/AFP/Getty Images hide caption

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