Iditarod Trail Sled Dog Race to the 2010 census, it has a population of 401, making it the largest checkpoint in the Interior. McGrath is also notable for being the first site in Alaska to receive mail by aircraft (in 1924), heralding the end of the sled dog era. It still has a good airfield, so journalists are common. Following McGrath is Takotna, formerly a commercial hub during the gold rush. The ghost town of Ophir, named for the reputed source of King Solomon's gold by religious prospectors, is the next checkpoint. By this stage in the race, the front-runners may be several days ahead
Alpirod no sponsor emerged. The Alpirod was a pioneer in the use of dog microchip identification, requiring it several years before the Yukon Quest or Iditarod made the process mandatory. The unofficial successor to the Alpirod is the AlpenTrail, a sled dog race in the Alps started by several of the Alpirod's organizers. Alpirod The Alpirod is a defunct sled dog stage race in Southern Europe. Its name comes from a combination of the Alps, where the race took place, and the Iditarod Trail Sled Dog Race, upon which the race was based. The competition consisted of a 14-day stage race