Elliot Anderson and sled dog team running through Goose Lake Park, Iditarod 2014 Ceremonial Start, South-central Alaska in winter; Anchorage, Alaska, United States of America

Dallas Seavey and sled dog team running through Goose Lake Park, Iditarod 2014 Ceremonial Start, South-central Alaska in winter; Anchorage, Alaska, United States of America

A young woman skijors with her Alaska Husky sled dog down the Tony Knowles Coastal Trail, Anchorage, Southcentral Alaska, USA.

Young woman puts a harness on her Alaska Husky in order to skijor and skate ski on the Tony Knowles Coastal Trail, Anchorage, Southcentral Alaska

DeeDee Jonrowe and team run down the trail on Long Lake shortly after leaving the re-start in Willow, Alaska during the 2016 Iditarod

Young woman with her Alaska Husky talks on a cell phone along the Tony Knowles Coastal Trail, Anchorage, Southcentral Alaska

A Young Woman rides a studded tire bicycle with her Alaskan Husky down the Tony Knowles Coastal Trail, Anchorage, Southcentral Alaska, USA.

Young woman with her Alaska Husky talks on a cell phone along the Tony Knowles Coastal Trail, Anchorage, Southcentral Alaska

Dallas Seavey and team leave the ceremonial start line with an Iditarider during the 2016 Iditarod

Young woman puts a harness on her Alaska Husky in order to skijor and skate ski on the Tony Knowles Coastal Trail, Anchorage, Southcentral Alaska

Ray Redington Jr. and team run down the trail on Long Lake shortly after leaving the re-start in Willow, Alaska during the 2016 Iditarod

Aliy Zirkle and team run down the trail on Long Lake shortly after leaving the re-start in Willow, Alaska during the 2016 Iditarod

Red heeler dog running in the snow; Montana, United States of America