There are things I was expecting to have to deal with during my first 100k race (blisters, pain, high highs and really low lows), and then there are things you just can't foresee (pack strap breaking 20 minutes in, starting my period at mile 44, getting Mmm Bop stuck in my head). Oh, and the RD saying something about how the day before a mountain lion had chased a guy on a bike. The 62 miles in front of me were brand new and completely unknown. I carried this with me with projected times of arrival so I didn't have to do any math. I kept my watch showing only the time because I didn't want to think about mileage. It was a no math/no mileage strategy. I warmed up in the first twelve miles enjoying the distraction of the dark and following the line of runners in front of me. The course took us on a few brief little loops and out and backs up and down hills, inside a mine, and around a cemetery surrounded by a white picket fence. Inside the mine, we had to ru...