Aliy Zirkle and her dogs head out at the ceremonial start of the 47th Iditarod Trail Sled Dog Race, the world’s foremost sled dog race, in Anchorage, Alaska, U.S., on Saturday. The expected top prize is US$50,000. A short ceremonial run was held in Anchorage, the state’s largest city. The real race started yesterday in Willow, about 80 kilometers to the north.SD-Agencies