Marine Corps Marathon Camp Leatherneck
A U.S. service member hydrates during the Marine Corps Marathon Forward aboard Camp Leatherneck, Helmand province, Oct. 30. More than 300 coalition service members participated in the 26.2-mile marathon, which has been held annually aboard Leatherneck since 2009. The race is a satellite edition of the Marine Corps Marathon in Washington, D.C., one of the most popular marathons in the U.S. Original public domain image from Flickr