[fxwin]

Of course it is beneficial in the long run, but beginners are still prone to overtraining and getting injured when they go from sitting a desk for 14 hours a day to running 3 times a week

[danielbln]

Your knees should never hurt, overtraining or not.

[iamacyborg]

I wouldn’t say “never”. Stuff like ITBS presents as knee pain when the actual problem area is typically weakness in the hip, for example.