Using this strategy, he cut his own sled pull time from over seven minutes to under four.

The Iditarod Trail Sled Dog Race is underway in Alaska, with mushers and their dogs braving a nearly 1,000-mile journey. Learn more about it.

A man from Kent who has undertaken a 500km (310 mile) sled pull across the arctic for charity says the challenge was "an equal measure of beauty and brutality". Rob Wilkinson, 43, is fresh off ...

For Wilkinson, the challenge was the equivalent of "10 back-to-back ultramarathons" A man from Kent who has undertaken a 500km (310 mile) sled pull across the arctic for charity says the challenge was ...

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