Using Sand to Analyze Your Running Form | Barefoot Running University

Jason Robillard at Barefoot Running University:

Interestingly, you can also analyze their form by their footprints left in the sand.  This could be useful to you for analyzing your own form.  It could also make for a pretty nifty parlor trick.  You know… to impress the ladies.

This is an interesting article about how to “read” footprints in beach sand to understand the runner’s technique. Not sure about impressing the ladies, though.