Sweden Running

Fartlek: Sweden's gift to running

There are many names for those who run, from fun-runner and jogger through trail runner and marathoner, and, at the far end of the spectrum, sub-elite and elite athletes. What we, as runners, choose

http://www.theguardian.com/lifeandstyle/the-running-blog/2015/jun/09/fartlek-swedens-gift-to-running