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
Can-Am Crown International Sled Dog Race 30 mile, 60 mile, and an Iditarod qualifying 250 mile race. Competitors travel from throughout the United States and Canada to compete in the sled dog race. The 250-mile race course contains five checkpoints. All teams are required to sign in and sign out of each checkpoint. Normally the 30 and 60 mile race finish on the same day as they started, whereas the 250 mile race extends from 2–4 days. Mushers must reach the Allagash checkpoint by a specified date in order to complete the race. The winner of the Can-Am 250 receives $29,000. The winner of the Can-Am