Mythbusters actually tested this (http://mythresults.com/episode38 http://mythresults.com/episode38), and LifeHacker showed a little video on it (http://lifehac

Mythbusters actually tested this (http://mythresults.com/episode38 http://mythresults.com/episode38), and LifeHacker showed a little video on it (http://lifehacker.com/5970476/why-you-should-run-not-walk-in-the-rain http://lifehacker.com/5970476/why-you-should-run-not-walk-in...). The real issue, for me, has always been shoes. Most clothing dries fairly well, but shoes and socks are a tough matter. Besides, if it's unpleasant to be in, you should run, and if it's pleasant to be in, take your time.