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Easy Miles | Marathon Pace Miles | Threshold Miles | VO2 Max Miles | Total Distance | 10.10 | 0.00 | 0.00 | 0.00 | 10.10 |
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I just stumbled upon this, and if you've got a few minutes, it's completely worth the read. http://runtrails.blogspot.com/2010/05/why-do-endurance-sports-answer-wall-pit.html
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