Mushers need their hands, often bare, to do things like fix their sleds, change runner plastics, unhook brass clips, massage dogs' tired muscles or work ointment deep into the crevices of their dogs’ feet. Those tasks require nimble fingers, often fingers that have to be exposed to extreme cold temperatures.

Loren Holmes,Suzanna Caldwell
Mushers need their hands, often bare, to do things like fix their sleds, change runner plastics, unhook brass clips, massage dogs' tired muscles or work ointment deep into the crevices of their dogs’ feet. Those tasks require nimble fingers, often fingers that have to be exposed to extreme cold temperatures.Suzanna Caldwell
As the Iditarod leaders head toward the finish line, race workers and volunteers make sure Nome is ready to greet them.Matt Tunseth

Musher Aaron Burmeister talks about his 15-hour run breaking trail through a snowstorm on the Norton Sound coast after he arrived in the Iditarod checkpoint in Koyuk on Monday.

Suzanna Caldwell

Two-time and defending Iditarod champion Dallas Seavey talks about his race while tending to his dog team in Koyuk on Tuesday, March 16, 2015.

Suzanna Caldwell

Defending Iditarod Trail Sled Dog Race champion Dallas Seavey clung to his lead in the Iditarod Trail Sled Dog Race on Monday as soft, punchy snow on the trail across Norton Bay slowed what had been a blistering run toward Nome.

Loren Holmes
Iditarod Trail Sled Dog Race leaders hit tough sledding on Norton Bay, but Dallas Seavey moved into position to win the leg with a strong team of dogs capable of moving quickly. He made up an hour and a half on Aaron Burmeister on Monday. Suzanna Caldwell,Craig Medred
Only two groups have emerged as traveling companions in this Iditarod: brothers Jason and Lance Mackey, who have been together since Tanana, and the Berington twins -- Anna and Kristy -- and Charlie Bejna.  John Schandelmeier
After Dallas Seavey blew through Unalakleet to take the lead from Nome's Aaron Burmeister, Burmeister did the same to Seavey in Shaktoolik. Alaska Dispatch News
As the Iditarod Trail Sled Dog Race sped up the Bering Sea Coast Sunday night, four-time champ Jeff King was here resting his team and laughing at the twists of fate.Suzanna Caldwell and Craig Medred