If you look back at the history of creativity in clothes - the French Revolution, the First World War and the Second World War - they have all been creative reinventions, the moment new forms of luxury come into play.
With the case of running, it really is a case of get out, set yourself a distance, run it, and then do it again the next day. It's tremendously simple.
I maintain also that substances, whether material or immaterial, cannot be conceived in their bare essence without any activity, activity being of the essence of substance in general.