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means A grueling long-distance sled dog race across Alaska, roughly a thousand miles from Anchorage to Nome, run each year over brutal terrain and weather.

from The name comes from Iditarod, a nearly abandoned mining town on the trail, whose name likely derives from an Athabaskan word (possibly from the Ingalik or Holikachuk language) referring to the nearby river, often said to mean something like 'distant place' or 'clear water' — though the exact translation is debated. The trail itself was a real early-1900s route used for mail and supplies; it earned lasting fame after the 1925 serum run to Nome, when relay teams of sled dogs carried diphtheria antitoxin across this same stretch of ice. The modern race, started in the 1970s, was created to honor that history and to keep sled-dog culture alive as snowmobiles took over.