[tweetmeme source=”elizabethev” only_single=false] Since I missed Saturday’s group run for Team in Training (due to a cold, but glorious 11 hours spent wo-manning our booth at the Boston Book Festival) , I hit the road Sunday morning like a plastic cup: Solo. [Photo source] Yes, I was running 12 miles alone, but that doesn’t mean I didn’t have company on the streets of South Boston. There are generally three types…