running surfaces: What No One Is Talking About

http://johnnyzmpg035.xtgem.com/the%2010%20scariest%20things%20about%20running%20athletics%20facility

Asphalt - Now you would think that asphalt is simply as bad as concrete, however it is not. It's really about 8 times "softer". The real issue with operating on asphalt roads is not the solidity, however the camber