running surfaces Explained in Fewer than 140 Characters

https://extra-wiki.win/index.php?title=11_Creative_Ways_to_Write_About_running_surfaces

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