Several blogs have linked to this article about Daniel Liberman’s argument that about 2 million years ago our ancestors evolved physical characteristics that have no impact on walking, but make humans better endurance runners, presumably because of a shift in food consumption from scavenging to hunting.
Speaking about running, if you are a runner, 2PEAK is the best web-based training program I have seen. It dynamically adjusts your training program, and you can upload data from Garmin, Polar, and Suunto watches. It is, however, somewhat pricey.
Here is what Owen learned from running the London Marathon.