Sled dog each year, but after the 1995 events, it was decided to hold them every two years, which facilitated the bidding process and enabled the host organization more time for preparation. Togo was the lead sled dog of Leonhard Seppala and his dog sled team in the 1925 serum run to Nome across central and northern Alaska. Balto was the lead dog of the sled dog team that carried the diphtheria serum on the last leg of the relay to Nome during the 1925 diphtheria epidemic. He was driven by musher Gunnar Kaasen, who worked for Leonhard Seppala. Seppala had also
Sled dog polar bears. The Chinook is a drafting and sled dog developed in New Hampshire in the early 1900s, and is a blend of Mastiff, Greenland Husky, German Shepherd, and Belgian Shepherd. It is the state dog of New Hampshire and was recognized by the AKC as a Working breed in 2013. They are described as athletic and "hard bodied" with a "tireless gait". Eskimo dogs that originated in Greenland, Greenland Dogs are heavy dogs with high endurance but little speed. They are frequently used by people offering dog sled adventures and long expeditions. There are more than 30,000 Greenland Dogs