Trying to add things up

October 4: I'm fully hydrated. Hadn't drank wine in two days. Well-tapered. I take gells and drink water every three or four miles. And then I go out and run a 4-hour marathon in temperatures in the 40s and on a flat course.

Today: I awaken with a hangover from drinking 3 glasses of wine the night before. I feel so bad that I take ibuprofen. I run 17.5 miles in 2:16 (7:50 pace) on a hilly Austin course with temperatures in the 60s and rising and 100 percent humidity. During the run, all I take is a few swigs of water. No gells. No salt. Nothing else.

Huh???

If I ever figure this marathon thing out, I'll let you know. But right now, I'm as confused as ever.