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
Montana Race to the Sky Montana Race to the Sky The Race to the Sky is a long-distance sled dog race held annually in Montana. There are several divisions offered at different distances. The longest race was originally a race but is currently . It is a qualifying race for the Iditarod Trail Sled Dog Race and is sometimes called "The Iditarod of the Lower 48." The race was first held in 1986 and was a 500 mile competition called the Governor's Cup Sled Dog Race. From the outset, it was a qualifying race for the Iditarod. In 1989, the race organizers incorporated as Montana