14 Businesses Doing a Great Job at running athletics facility
http://damieniehy475.unblog.fr/2019/07/24/how-technology-is-changing-how-we-treat-running-tracks/
Asphalt - Now you would believe that asphalt is just as bad as concrete, but it is not. It's really about 8 times "softer". The genuine issue with working on asphalt roadways is not the solidity, but the camber