Sled dog lighter sled dogs." Outside of Alaska, dog-drawn carts were used to haul peddler's wares in cities like New York. In 1925, there was a diphtheria outbreak in Nome, Alaska. There was not enough serum in Nome to treat the number of people infected by the disease. There was serum in Nenana, but the town was away, and inaccessible except by dog sled. A dog sled relay was set up by the villages between Nenana and Nome, and 20 teams worked together to relay the serum to Nome. The serum reached Nome in six days. The Iditarod Trail was established on
Iditarod Trail segments pass over private lands. No one entity manages the entire historic trail—management is guided by a cooperative plan adopted by state and federal agencies in the mid-1980s. The federal Bureau of Land Management coordinates cooperative management of the trail and is the primary point of contact for matters involving the entire trail. Every year local groups, community clubs and individuals contribute time and money to maintain and improve the Iditarod Trail. The statewide non-profit Iditarod National Historic Trail Inc. helps protect and improve the trail and keep the "lore of the trail" alive. The Iditarod Trail Sled Dog Race,