Addicted to running tracks? Us Too. 6 Reasons We Just Can't Stop
https://papa-wiki.win/index.php?title=A_Beginner's_Guide_to_athletics_track_48422
Asphalt - Now you would think that asphalt is just as bad as concrete, but it is not. It's in fact about 8 times "softer". The genuine problem with working on asphalt roads is not the firmness, however the camber