Sled dog racing dogsled racing in the city of Nome, Alaska, in 1908. Sled dog racing Sled dog racing (sometimes termed dog sled racing) is a winter dog sport most popular in the Arctic regions of the United States, Canada, Russia, Greenland and some European countries. It involves the timed competition of teams of sled dogs that pull a sled with the dog driver or "musher" standing on the runners. The team completing the marked course in the least time is judged the winner. A sled dog race was a demonstration sport at the 1932 Winter Olympics in Lake Placid, New York and
Iditarod Trail Sled Dog Race narrow Happy River Gorge, where the trail balances on the side of a heavily forested incline. Rainy Pass is the most dangerous check point in the Iditarod. In 1985, Jerry Austin broke a hand and two of his dogs were injured when the sled went out of control and hit a stand of trees. Many others have suffered from this dangerous checkpoint. Rainy Pass is part of the Historic Iditarod Trail, but until 1976 the pass was inaccessible and route detoured through Ptarmigan Pass, also known as Hellsgate, because of the 1964 Good Friday earthquake. From Rainy Pass, the route