I feel that there seems to be a, albeit perhaps weak, correlation between hackers/geeks and some kinds of physical activity. Mostly I'm thinking of running and mountain climbing.

While of course I'm biased and base my observations upon the plural of anecdote, I still find this observation to hold true.

I could of course hazard some kind of guess to why, but more interestingly, I think, would be if there was any kind of non-anecdotal data covering this.

Has anyone heard/read about any evidence for or against this?