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Twenty-six dog teams attempt the 1,000-mile race from Whitehorse, Yukon, to Fairbanks, Alaska.

Mushers: Conquering the Yukon Quest

The Finish Line

The Greatest Challenge

Seven teams tackle the 1,000-mile Yukon Quest, a sled dog race completed by fewer than have climbed Everest.

The Toughest Sled Dog Race on Earth

Sleep Deprivation

364 Dogs and Only 26 Mushers

Jumble Ice

The 10,000 Calorie a Day Diet

The Vet Check

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