Iditarod Trail in far less travel. The trail might have been forgotten except for the 1925 diphtheria outbreak in Nome. In one of the final great feats of dog sleds, twenty drivers and teams carried the life-saving serum in 127 hours. Today, the Iditarod Trail Sled Dog Race serves to commemorate the part the trail and its dog sleds played in the development of Alaska. The Iditarod Trail was a trail that connected a point north of Seward, Alaska, where a forerunner of the Alaska Railroad ended, through Iditarod, Alaska and then to Nome. The trail was about long. The Iditarod Trail's
Iditarod Trail Sled Dog Race reveals the results of tests on the dogs. Each team is composed of twelve to sixteen dogs, and no more may be added during the race. At least five dogs must be on the towline when crossing the finish line in Nome. Mushers keep a veterinary diary on the trail and are required to have it signed by a veterinarian at each checkpoint. Dogs that become exhausted or injured may be carried in the sled's "basket" to the next "dog-drop" site, where they are transported by the volunteer Iditarod Air Force to the Hiland Mountain Correctional Center at Eagle River