A Matter of Milkweed
The Real Ultra-marathoners Pause for a minute and think about how far you travel in a day. The average American walks around 2.5 miles each day. If you are an ultra-marathoner you might cover up to 100 at most. As a runner myself, the furthest I've run at one time is somewhere around 16 miles.
athenssciencecafe
December 25, 2016