Flowing Data collected data to discover what paths runners take in different cities in the U.S. and Europe to see which routes are the most popular.
1.Atlanta, Georgia
2.Boise, Idaho
3.Charlotte, North Carolina
According to Flowing Data, "people like to run by the water and in parks, probably to get away from cars and the scenery. In the smaller inland cities, there seem to be a few high-traffic roads with less running elsewhere."