Well, the marathon exposed the deficiencies in my training plan, and I didn't fare too well. I was strong for 16 miles - going from 8:30 opening mile to 7:30 steady pace - but at 16 my hip started pinging a bit. At 18 I started walking here and there and I found that when I tried to stretch my howling quads, my hamstrings would cramp. LAWL.
Ignoring the hill training cost me dearly, and so did my lack of core training - I did some, but mostly it was an afterthought. For some reason I wore lighter shoes to race in and I didn't think the pounding would be that bad, but it was. Oh, and I got my first blister (big toe) in years. YEARS. Then, we had to be in our corral by 6:40, and for some reason I only wore a throwaway t-shirt over my running shirt, and even tossed that earlier than I should have, so I wasted a ton of energy keeping warm (39 degrees at the start, 60's at the finish). Spent too much time on my feet, too. A lot of blunders, but I know what I did wrong and know better for next time.
The good news is that this morning, my quads are the only really sore spot. splits were 1:45 / 2:02 for a 3:47 marathon. Still a PR, though, and plenty of room for improvement.