Blame it on fatigue. Or the often misunderstood advice to “open up your stride.” Or our super cushiony shoes that offer a soft landing for even the most problematic running mechanics. No matter the ...

There's no matching Peter Larson's recent flurry of great running-form posts at RunBlogger.com (link to newest), so I won't try. But it's fun to add a little something here and there, which is the ...