A Productive Rant About running athletics facility
https://spark-wiki.win/index.php?title=The_Anatomy_of_a_Great_athletics_track
Asphalt - Now you would think that asphalt is simply as bad as concrete, but it is not. It's in fact about 8 times "softer". The real problem with working on asphalt roadways is not the hardness, but the camber