In the dead of an Alaskan winter, Jonathan Nathaniel Hayes set out to retrace one of the most legendary journeys in American history—the 1925 Serum Run to Nome. With his team of Seppala Siberian Sleddogs and a heart full of purpose, he and his team traveled 750 miles from Nenana to Nome, battling hurricane-force winds, blinding blizzards, and temperatures that plunged below -70°F. But this is no reenactment. This is a mission of endurance, memory, and meaning. As Hayes drives his team cross the same unforgiving landscape, he weaves in the untold histories of the original Native and non-Native mushers—whose names were nearly lost to time. With reverence and grit, he honors their courage while facing trials of his own. Part memoir, part historical epic, One Hundred Winters is a deeply personal narrative about endurance, humility, and the unbreakable bond between man and dog. It is a story of purpose found in the pain, and of hope carried on a sled through one of the harshest places on Earth. The trail is still out there. The wind still rages. And a century later, the dogs still run.