Sled dog each year, but after the 1995 events, it was decided to hold them every two years, which facilitated the bidding process and enabled the host organization more time for preparation. Togo was the lead sled dog of Leonhard Seppala and his dog sled team in the 1925 serum run to Nome across central and northern Alaska. Balto was the lead dog of the sled dog team that carried the diphtheria serum on the last leg of the relay to Nome during the 1925 diphtheria epidemic. He was driven by musher Gunnar Kaasen, who worked for Leonhard Seppala. Seppala had also
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