Barcode Tattoo celebrates the extraordinary phenomenon of parkrun like no other book. Founded in 2004 by Zimbabwe-born runner and visionary, Paul Sinton-Hewitt, parkrun has become a running institution. The concept is deceptively simple: a weekly, measured and timed five kilometre run, jog, or walk. Now consider this: parkruns take place in thousands of locations every Saturday around the world. They're open to anyone...