The Advanced Guide to athletics track

https://web-wiki.win/index.php?title=11_"Faux_Pas"_That_Are_Actually_Okay_to_Make_With_Your_running_surfaces

Asphalt - Now you would believe that asphalt is simply as bad as concrete, but it is not. It's actually about 8 times "softer". The genuine issue with working on asphalt roads is not the solidity, but the camber