On the Iditarod Trail. Anchorage is the starting line. From there, the field of dog teams run 11 miles. After a restart in the Matanuska Valley, the mushers leave the land of highways and bustling activity and head out to the Yentna Station Roadhouse, Skwentna and then up through Finger Lake, Rainy Pass, over the Alaska Range and down the other side to the Kuskokwim …