An article about Arnie and his relatives in the NYT.
When humans engage in highly strenuous exercise day after day, they start to metabolize the body’s reserves, depleting glycogen and fat stores. When cells run out of energy, a result is fatigue, and exercise grinds to a halt until those sources are replenished.
Dogs are different, in particular the sled dogs that run the annual Iditarod Trail Sled Dog Race in Alaska.
Arnie is teaching me how this is done, out on the trail daily. Best coach ever.
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