Iditarod Trail Sled Dog Race early in the 20th century. The main route of the Iditarod trail extends from Seward in the south to Nome in the northwest, and was first surveyed by Walter Goodwin in 1908, and then cleared and marked by the Alaska Road Commission in 1911 and 1912. The entire network of branching paths covers a total of . Except for the start in Anchorage, the modern race follows parts of the historic trail. The trail is composed of two routes: a northern route, which is run on even-numbered years, and a southern route, which is run on odd-numbered years. Both follow
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