First off: my Forerunner seems to be working again. Garmin technical service replied that it appeared I had a corrupt data file on my unit, and they suggested a complete reset, back to factory settings. That worked.
Beautiful day on the river trails. Cool and damp, I had the place to myself. Saw Gene, Dee and a friend jogging down town, on my way to the trails. They looked fresh on their feet. I felt fresh on my feet, too. Two solid nights of sleep must have helped.
Here is what the beginning of the trail looks like:
Some parts look like this:
But most of it looks like this: