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 Sled Dog Race concerns arise whenever intense competition results in dogs being pushed beyond their endurance or capabilities", according to Vice President Stephen Zawistowski. Iditarod Trail Committee monitors the dogs' health. On May 18, 2007, the Iditarod Trail Committee Board of Directors announced that they had suspended Ramy Brooks for abusing his sled dogs. The suspension was for the 2008 and 2009 races, to be followed by three years probation. Brooks has now retired from dog racing. In 2017 Wells Fargo announced that it would no longer sponsor the race. While it declined to give specific reasons for the withdrawal of funds, Iditarod