Pictures from the Boston MarathonElite men runners leave the start line in the 118th running of the Boston Marathon Monday, April 21, 2014, in Hopkinton, Mass. Fourth from left is eventual winner Meb Keflizighi. Third from left is Ryan Hall. (AP Photo/Stephan Savoia)
Nearly 36,000 runners set out from the Boston Marathon starting line in a "Boston Strong" show of resilience.