Marathon Training Basics: Part 2 -- Are you running too hard on easy days?

This is part 2 of a four-part series about the basic needs of serious marathoners.

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One of the most common questions thrown around the running community is “How fast should I run on my easy days?” Evidently there are limitless correct answers, because for every method that’s been tried, I can name at least one person who swears by it. “10K pace plus 60 (or 90, or 45.987) seconds a mile.” “75% (or 65%, or 80%, or 77.895%) of maximum heart rate.” “As fast (or slow) as you can manage (or not manage).”

Read the rest at Lowell Running.