Christine Roalofs prepares to rest with her dogs at the Finger Lake checkpoint in Alaska on Monday, March 4, 2013, during the Iditarod Trail Sled Dog Race. (AP Photo/The Anchorage Daily News, Bill Roth)

Photo by: Bill Roth

Christine Roalofs prepares to rest with her dogs at the Finger Lake checkpoint in Alaska on Monday, March 4, 2013, during the Iditarod Trail Sled Dog Race. (AP Photo/The Anchorage Daily News, Bill Roth)