Funny thing...the poster above who said "two foot stride" was right on...remember that you only gain about two feet per step, because your back foot stays planted.

Anyway, about 5-6 miles a day of walking is about 500-600 calories for most people, isn't it? That equates to about a pound a week of fat loss, if the calories aren't made up for 'elsewhere'.

That might be the reasoning behind the 10K guideline.

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