Embrace Running 134: Running Commandments

This week, we talk about racing at altitude. Trail running in Yosemite. Notable stories from the European Championships in Zurich. We go over the rest of  Hal Koerner's ultrarunning commandments. Leadville 100 was this weekend and there were some improvements from last year's race. Boston Marathon announces its field size for the 2015 race. And our week in training.

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