An Introduction to running athletics facility

https://wiki-tonic.win/index.php?title=10_Things_Steve_Jobs_Can_Teach_Us_About_running_athletics_facility

Asphalt - Now you would think that asphalt is simply as bad as concrete, but it is not. It's really about 8 times "softer". The genuine issue with operating on asphalt roadways is not the hardness, but the camber