Friday, February 11, 2011

Entropy...and Ultrarunning

I finally figured out why some runs are good (i.e., energetic, feel easy) and why other runs are just a struggle.

The reason is simple: Entropy.

Entropy was the featured Word of the Day a few days ago on the wonderful homepage I use, REFDESK (do go check it out if you are unfamiliar).

REFDESK linked to The Free Dictionary, where we read:

In popular, nontechnical use, entropy is regarded as a measure of the chaos or randomness of a system. In thermodynamics, it is the measure of a system's energy that is unavailable for work or of the degree of a system's disorder.

See, if we consider me to be a system, and if I have an excess of entropy, it ties up too much of my energy, rendering it unavailable for running purposes.  That's why I have draggy runs sometimes.

So I guess as part of my warm-up, I must go through some entropy-purging routine.  Next step is to figure out just what that would consist of!

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