15 Best Pinterest Boards of All Time About running surfaces

https://jaidenzarc293.tumblr.com/post/186513579154/where-will-athletics-track-be-1-year-from-now

Asphalt - Now you would think that asphalt is simply as bad as concrete, however it is not. It's actually about 8 times "softer". The real issue with running on asphalt roadways is not the solidity, however the