" What do the sports we love the most say about us? A study carried out by Mind Lab surveyed 2,000 UK adults and found that bicyclists are “laid back and calm” and less likely than runners or swimmers to be stressed or depressed. Runners tended to be extroverted, enjoyed being the center of attention and preferred “lively, upbeat music.” Swimmers, the study concluded, were charitable, happy and orderly, whereas walkers generally preferred their own company, didn’t like drawing attention to themselves and were comparatively unmaterialistic "

― Martin Lindstrom , Small Data: The Tiny Clues that Uncover Huge Trends