Mush! Alaska's unforgiving Iditarod Trail Sled Dog Race
America's "Last Great Race" pitches mushers and dogs against a truly unforgiving environment
CELEBRITY Iditarod Trail Sled Dog Race
The annual long-distance Iditarod Sled Dog Race is currently underway. Dogs and competitors can expect blizzards, whiteout conditions, sub-zero temperatures, and gale force winds.
Browse the gallery for a freeze-frame look at one of the world's most extreme sporting events.