I'm not sure I like running, even when I was fit and fast. Running at mid-life: there's the pain of it, in the chest, in the knees. This letter explores the reasons I run and what I learn running a race the 7th time. And training with a focus on form and cadence, with an eye to effortless, injury-free running. Plus, four books on running and on living; visit the site for more info on books. Notes on gear.