What I Wish I Knew a Year Ago About running surfaces
https://rapid-wiki.win/index.php?title=5_Lessons_About_running_tracks_You_Can_Learn_From_Superheroes
Asphalt - Now you would think that asphalt is simply as bad as concrete, but it is not. It's actually about 8 times "softer". The real problem with operating on asphalt roads is not the solidity, however the camber