running surfaces: Expectations vs. Reality

https://uniform-wiki.win/index.php?title=7_Things_About_running_surfaces_Your_Boss_Wants_to_Know

Asphalt - Now you would believe that asphalt is simply as bad as concrete, but it is not. It's really about 8 times "softer". The real problem with working on asphalt roads is not the hardness, however the camber