Iditarod Trail Sled Dog Race differ by less than . The northern route first passes through Cripple, which is from Anchorage, and from Nome (ITC, "Northern"), making it the middlemost checkpoint. From Cripple, the route passes through Sulatna Crossing to Ruby, on the Yukon River. Ruby is another former gold-rush town which became an Athabaskan village. The southern route first passes through the ghost town of Iditarod, which is the alternate halfway mark, at from Anchorage, and from Nome (ITC, "Southern"). From Iditarod the route goes through the three neighboring Athabaskan villages of Shageluk, Anvik, Grayling, and then on to Eagle Island, Alaska. Ruby and
2005 Iditarod the team of 12 dogs, each dog sled also carried a family member or friend, and an "Idita-Rider". The Idita-Riders seats were auctioned off in January, and raised a total of US$140,021, with an average bid of US$1,918.09. The auction was held entirely online for the first time in 2005. The teams passed through of city streets lined with an estimated 100,000 people. The temperature was . Due to the warm weather and poor trail conditions, the first leg of the race was shortened by the Iditarod Trail Committee on February 27, and ended at Campbell Airstrip from Anchorage, instead