FILE - In this March 12, 2008, file photo, Lance Mackey sita with one of his dogs, Handsome, after winning the Iditarod Trail Sled Dog Race in Nome, Alaska. The Iditarod Trail Committee on Monday, ... more 
FILE - In this March 12, 2008, file photo, Lance Mackey sita with one of his dogs, Handsome, after winning the Iditarod Trail Sled Dog Race in Nome, Alaska. The Iditarod Trail Committee on Monday, Sept. 26, 2016, announced that Mackey, a four-time champion, will not participate in the 2017 race because of health problems. (AP Photo/Al Grillo. File) less 
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Associated Press | Photo By Al Grillo. File
Mon, Sep 26, 2016 6:24 PM EDT