The Advanced Guide to running surfaces

http://waylonqhvb402.over-blog.com/2019/07/17-superstars-we-d-love-to-recruit-for-our-running-tracks-team.html

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