Each year in March, dogs and mushers assemble in Alaska for one of the most grueling and challenging races ... Heavy snow, whiteouts, and blizzards can significantly slow down a sled team.

Snow was transported in on trucks to fully cover the streets of Anchorage in preparation for the ceremonial event. Last year's, Norway's Joar Leifseth Ulsom, completed the Iditarod Sled Dog Race ...