Originally Posted by GoPre
Yeah, distance runners are supposed to get new shoes every 500 miles or so, but for most serious runners that means almost every 2 1/2 months or less.
Of course it also depends on the road surface that you're running on. The roads near my house are not good for shoes. I tried wearing martial arts shoes for running when I left my trainers at university, and ended up getting point bruises along the bottom of my feet.