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
Sled dog racing Dog Derby mushers were international celebrities to such degree that one photogenic female musher named Lydia Hutchinson was tapped by a producer to star in his movie. She may have been on her way to being a movie star when she died of pneumonia in 1930. The American Dog Derby popularized dogsled racing in the 1920s and other dogsled races were organized in towns and cities across North America and Northern Europe in its wake. The most famous long-distance race is the Iditarod Trail Sled Dog Race. Also known as the "Last Great Race on Earth", the Iditarod is roughly