Dallas Seavey, left, gets a hug from his father Mitch Seavey at the White Mountain, Alaska checkpoint shortly before Dallas departed during the Iditarod Trail Sled Dog Race on Tuesday, March 17, 2015. Dallas left the checkpoint with a comfortable four-hour lead. Seavey has won his third Iditarod in the last four years, beating his father, Mitch to the finish line in Nome early Wednesday after racing 1,000 miles across Alaska. (AP Photo/Alaska Dispatch News, Loren Holmes ) . , APTOPIX