Iditarod Trail Sled Dog Race remaining top thirty finishers won an average of $26,500 each. Mushers make money from their sponsorships, speaking fees, advertising contracts and book deals. The original sled dogs were bred by the Mahlemuit (also known as Kuuvangmiut or Kobuk) people and are one of the earliest domesticated breeds known. They were soon crossbred with Alaskan huskies, hounds, setters, spaniels, German shepherds, and wolves. As demand for dogs skyrocketed, a black market formed at the end of the 19th century which funneled large dogs of any breed to the gold rush. Siberian huskies were introduced in the early 20th century and became
Iditarod Trail Sled Dog Race of Swenson's lead dog, Swenson's body crossed the finish line first. The first musher to win four races was Rick Swenson, in 1982. In 1991 he became the only person to win five times and the only musher to win the race in three different decades. Susan Butcher, Doug Swingley, Martin Buser, Jeff King, Lance Mackey, and Dallas Seavey are the only other four-time winners. Mary Shields was the first woman to complete the race, in 1974 (Finishing 23rd). In 1985 Libby Riddles was the only musher to brave a blizzard, becoming the first woman to win the race. She