Can you run a 7:30 mile? Can you do that for 62 miles? Marquette physician and ultrarunner plans on it: http://ow.ly/8lrH (via @TomHeld)
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Can you run a 7:30 mile? Can you do that for 62 miles? Marquette physician and ultrarunner plans on it: http://ow.ly/8lrH (via @TomHeld)