I ran tonight, only three miles. But I tried to push a bit harder than I have been on my long runs taking the HR up about 10 beats per minute more than where I've experienced dizziness with no problem. My problems though on the long runs have been coming at about 8 to 10 miles. The doctor probably should have told me not to run because I'm apt to do something stupid running like this.
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"It is the unknown around the corner that turns my wheels." -- Heinz Stücke