Iditarod Trail Sled Dog Race competed in the Iditarod races, and in 1992 Martin Buser—a Swiss resident of Alaska since 1979—was the first foreigner to win the race. Buser became a naturalized U.S. citizen in a ceremony under the Burled Arch in Nome following the 2002 race. In 2003, Norwegian Robert Sørlie became the first non-resident of the United States to win the race. Winning ceremonies included a giant decorated cupcake with sugar coated huskeys on top. In 2007 Lance Mackey became the first musher to win both the Yukon Quest and the Iditarod in the same year; a feat he repeated in 2008. Mackey
Iditarod Trail Sled Dog Race dogs are identified and tracked by microchip implants and collar tags. On the trails, volunteer veterinarians examine each dog's heart, hydration, appetite, attitude, weight, lungs, and joints at all of the checkpoints, and look for signs of foot and shoulder injuries, respiration problems, dehydration, diarrhea, and exhaustion. When mushers race through checkpoints, the dogs do not get physical exams. Mushers are not allowed to administer drugs that mask the signs of injury, including stimulants, muscle relaxants, sedatives, anti-inflammatories, and anabolic steroids. , the Iditarod claims that no musher has been banned for giving drugs to dogs. However the Iditarod never