Musher Justin Savidis' dogs wait in the truck before the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. Mushers and dog sled teams from around the world embark on the first leg of Alaska's grueling Iditarod Trail Sled Dog Race, starting a nearly 1,000-mile (1,609 km) journey through the state's unforgiving wilderness. (Photo by Nathaniel Wilder/Reuters)





Cindy Gallea's team leaves the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Dallas Seavey and team leave the start chute at the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Katherine Keith's team leaves the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





A helper with Noah Burmeister's team visits with a dog before the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Musher Monica Zappa checks her dogs in with officials before the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Kristin Bacon's team races down the chute at the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Cody Strathe's team leaves the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Travis Beals' team waits in the truck before the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Champion musher Martin Buser's son, Rohn, is seen with his dad's team before the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Four-time champion Martin Buser and team leave the start chute at the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Lisbet Norris and her team leave the start chute at the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Anna Berington's team leaves the start chute at the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Travis Beals' team leaves the start chute at the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Matthew Failor's team leaves the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Rob Cooke's team leaves the start chute at the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Aliz Zirkle'st team races out of the start chute at the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Kat Berington visits her sister's dog team before the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Martin Koenig's team gets tangled up after leaving the start chute at the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





John Baker's team leaves the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





DeeDee Jonrowe and her team leave the start chute at the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Mitch Seavey's team leaves the start chute at the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Robert Bundtzen's team leaves the start chute at the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Rookie Larry Daugherty's team leaves the start chute at the restart of the Iditarod Trail Sled Dog Race in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)





Jason Mackey's team leaves the restart of the Iditarod Trail Sled Dog Race to begin their near 1,000-mile (1,600-km) journey through Alaska’s frigid wilderness in Willow, Alaska March 6, 2016. (Photo by Nathaniel Wilder/Reuters)