How to Know When It's Time for New Running Shoes
by Beth Skwarecki on Vitals, shared by Beth Skwarecki from Lifehacker on (#562VB)

You're supposed to replace running shoes every 300 to 500 miles, the running shoe companies tell us. If you follow their recommendations, you'll be throwing out shoes that may still look brand-new. How do you know if you really need a new pair? Turns out there's a quick hack that will answer your question.