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Fouritime Iditarod Champion and 2006 winner Jeff King mushes his sled dog team over frozen Willow Lake as Iditarod XXXV official begins 04 March 2007 in Willow, Alaska.

Alaska is less than a month away from its famous Iditarod sled dog competition. The 1,000-mile trek attracts dog mushers from around the world and is known as "the last great race on earth"

But this year, unseasonable weather has created serious training obstacles for mushers in parts of the state. Here with more is Greg Sellentin, publisher of Mushing magazine.