Hmmm...That's an interesting suggestion Mouse. Do they make orthotics to change how your foot lands that much? I got good quality custom made orthotics from a podiatrist a few years back, after my bunion surgery, and they seem to have helped me a lot, not just with foot pain but also with stability and back pain. But my boots still show heavy wear pattern on the rear outer corner, so I guess I still pronate. I throw away my shoes a lot sooner than anyone else I know because once that part starts wearing down, I feel like my stride starts tracking in a way that puts strain on my knee and foot and other parts. I try to be very cautious. In this case, though, I definitely was using that pair a little longer than I think I should have. Of course I was running in my overalls and carrying a heavy daypack, too. Maybe I just need to say the heck with running.