So, last Saturday I ran a Jingle Bell Run 5km. Despite my nagging cold, and despite the 17*F temps. Oh yeah... it was a great day for a race. (Never mind that my feet were entirely numb the entire race. Pleasant.) Originally, I had high hopes of breaking 19:00 for this race, but with my cold, I kinda put that on the back-burner. Plus, it was a super small race - only 168 people, and I wasn't sure how accurate the course was. (Does anybody else get paranoid about accurate courses? I'm always paranoid they're not really long enough so if I PR it won't count!) It was the strangest race... because of my cold and the cold temps, I felt very out of it. I was in a daze of sorts. The horn went off, and the race began, and I just started running, fast. It felt fast, but not that fast. I couldn't judge my effort very well because it was so cold! It was just a strange feeling, running and not being able to feel your feet at all. I went through the suppos...