Sudan refugee recalls emotional journey from war child to Olympic athlete . Deng was 20,000 of 20,000 ` ` Lost Boys '' who were displaced during South Sudanese civil war . Granted asylum in U.S. Mading Maker revealed talent for distance running . Ran between 1983 and 2005 Olympic marathon as an independent athlete .
South Sudanese refugee recalls emotional journey from war child to Olympic athlete . Guor Mading Maker was one of 20,000 `` Lost Boys '' who were displaced during Sudan civil war . Granted asylum in U.S. Mading Maker revealed talent for distance running . Ran 2012 Olympic marathon as an independent athlete .