Togo (October 1913 – December 5, 1929) was the sled dog who led Leonhard Seppala and his dog sled team as they covered the longest distance in the 1925 relay of diphtheria antitoxin from Anchorage to Nome, Alaska, to combat an outbreak of the disease. The run is commemorated by the annual Iditarod dog sled race. Togo, a Siberian Husky, coat was black, brown, and gray, he weighed about 48 pounds. At the time of the serum run Togo was twelve years old. Read his amazing true story.