There's an explanation for everything

There's an explanation for everything
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How come it can take more than 6 hours to complete a marathon? Answer: analyse my stride carefully, you might get valuable clues.
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Copyright © 2012 Christian Mauduit. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
Updated on Wed Feb 08 2012.