Musher's win makes Iditarod history, but Alaska's famous race is marred by 3 sled dog deaths - Seavey now has the most Iditarod wins, but Alaska's historic race is marred by 3 sled dog deaths - 5-time Iditarod champion shoots dead, guts moose during the annual sled dog race - Sled-dog racer forced to kill moose during historic sled race