Blind Dave ' , 57 , completed the 156-mile Marathon des Sables on Friday . The father-of-three known as 'Dave Heeley is the first blind man to do so . He previously finished the Seven Magnificent Marathons challenge in 2008 .
Dave Heeley , 57 , completed the 156-mile Marathon des Sables on Friday . The father-of-three known as 'Blind Dave ' is the first blind man to do so . He previously finished the Seven Magnificent Marathons challenge in 2008 .