[kbar13]

kinda crazy to think about what that means for your knees when you run. be safe.

[jwhiles]

Knees aren't phone cameras

[Unfrozen0688]

Humans are built to run long distance.

[mrguyorama]

The important point here is long distance on soft ground.

Don't run on a road or asphalt path or other hard surfaces. Your knees are NOT built for that, at least not without degradation you will regret in a few decades.