我告诉他们我常跑自行车道，因为我能感觉出柏油路面比混凝土路面更加柔软。

I have told them that I run in the bike lanes of roads because asphalt is softer than concrete.

youdao

我希望我还记得在什么地方或从什么神人那听过这个说法，但混凝土确实比柏油路对关节的冲击更大。

I wish I knew exactly where or who I heard this before, but concrete is much tougher on the joints than asphalt. The following is an excerpt I found with some details.

youdao

如果大致百度下“混凝土和柏油路哪个更适合跑步”，你也能找到关于此问题的海量信息。

If you do a basic Google search for "Which is better to run on Concrete or Asphalt", you will get tons more information on this subject too.

youdao