Everything seems to be copacetic. I ran five miles yesterday while letting the DVR get a nice tape delay for the Falcons game and everything seemed good. It was a little stiff to start, but that's not abnormal. After my warm up, the knee felt loose and I kept going. In fact, I'd only planned to do three miles, but couldn't justify such a short run when my knee was feeling so great. After the run and, more importantly, this morning my knee feels great. I still don't understand what the problem is, but the good news is that currently, I don't have to worry about skipping the marathon. I am wearing that brace when I run, though. Just in case.