[tweetmeme source=”elizabethev” only_single=false]This is why my legs feel like lead this morning. It’s also my excuse for falling up the stairs in my office building this morning. That last hill was no joke. The cheering crowds and breathtaking scenery, however, kept me smiling for the full 7 miles. And this is why my arms are going to feel like spaghetti tomorrow morning. And this is why I won’t be drinking…