The No. 1 Question Everyone Working in running tracks Should Know How to Answer
https://page-wiki.win/index.php?title=The_Ultimate_Guide_to_athletics_track
Asphalt - Now you would think that asphalt is simply as bad as concrete, however it is not. It's in fact about 8 times "softer". The real issue with running on asphalt roadways is not the solidity, but the camber