In an effort to extend his training season, defending Iditarod champion Dallas Seavey, 28, is taking climate control into his own hands. He’s equipped the trailer with a refrigerator that cools the unit down to almost freezing. In those chilly temperatures, Seavey runs almost full teams on the device for about an hour at a time.

Suzanna Caldwell,Loren Holmes
Prize money for the main event, the Kusko 300, will top $130,000.Lisa Demer
At the Sled Dog Sanctuary, Raven Vinter takes in abandoned Alaskan huskies that have nowhere else to go.Laurel Andrews
A group of volunteers has come together to help out the many sled dogs displaced by the Sockeye Fire in Willow.Associated Press
With the Sockeye fire still unpredictable late Monday, mushers who frantically evacuated their dogs Sunday afternoon waited to hear whether their kennels still stood and whether they’d need to seek further refuge as the fire moved through the Susitna Valley. Suzanna Caldwell
The Willow mushing community is rallying around Dianne Maythorne and Nick Kimlinger, the couple who lost their home and 13 dogs in a fire Monday.Zaz Hollander
Yukon Quest leaders announced a $38,000 surplus at their annual meeting Thursday, the largest surplus the organization has seen in 6 years.Associated Press
Neighbors of a 30-sled dog kennel near the historic mushing capital of Nome had hoped to shut down the operation with a civil lawsuit but dropped the suit last week after a judge summarily rejected a crucial motion in the case. Zaz Hollander
A disagreement between neighbors living several miles outside Nome city limits is set to go to trial on June 1 over a dispute that centers on what’s acceptable when it comes to noise -- and smell -- from a dog kennel.Matthew F. Smith / KNOM
This is the only time of year when one can snowmobile, ski or run dogs in shirtsleeves. The mid-day temperatures, this weekend, were in the low 40s, higher in the sun. In spite of those temperatures, there are two weeks of useable snow left on the east end of the Denali Highway.John Schandelmeier