I ran my Market Square Day 10K yesterday morning. It went ok.

I was feeling ok about it until Saturday morning. My lower back was very sore on Friday night, and still sore Saturday morning. It affected me all through my run and was really bad the rest of the day yesterday, and is still sore. My back hardly ever bothers me like that anymore, but Friday was my regular monthly chiropractor appointment, and it was canceled because the doctor wasn't coming in in the morning. And then my back got sore later that night?! How did it know that I skipped my visit?
I had a pretty good race even though my legs were still super sluggish from my HM 6 days before and my lower back being sore, and in spite of my pre-race fueling. It was also kind of warm in the beginning before it got cloudy. I don't know how this happened, but I forgot to drink anything all morning before the race? I got up at 6:45 and by the time I got dressed and took the dog out and packed up all my crap to drive to the shuttle bus, I realized I'd not had any water. And I did not eat as much as I normally would before a race. I brought a Larabar with me (usually I eat some oatmeal and a banana, but we were out of bananas and I didn't have time to make oatmeal). Once I realized I forgot to drink anything before leaving the house, I was going to get a water at the race start. I should have been plenty early enough, and there is a coffee shop right in the square near the start. Last year I got to the shuttle bus parking area around 7:45 (9:00 start) and the bus started running a few of us over early (the bus wasn't supposed to start until 8:00) so I had tons of time to kill all by myself in the square at the cafe. This year, the first bus did not even leave the shuttle area until 8:25, and the cafe area was packed by the time I got there and I didn't manage to go in and get a water.
A couple of the miles I walked up some hills a lot more than I should have. But I still came out with a race PR, 1:14:38, an over 4 min race PR from last year (1:18:49). And not too far off my distance PR of 1:13:39, which was pancake flat. I think the biggest hill in the PR one was about 5 feet, no joke, it was mostly along the ocean. Kicking myself for walking up those hills now, my good splits were 10:53, 11:31, 12:21 (I could have probably done better on that one too), and 11:34. My bad splits were 12:51 and 12:41... gave away a lot of time there compared to the good ones. Oh well, my next 10K is in mid-August, and my last HM is 7/9, so I should have plenty of just base building and rest before that one.