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Every time I go for a run I run out of breath way before my legs hurt, I am trying to work out why this is. Most of my friends who run faster than me say that their legs are hurting but rarely do they stop because of breath.
My conclusion from this is that I am not using my muscles to their full potential but I don't know what to change? i.e. I don't ever really feel like my muscles are tired, I have already stopped by then or slowed down because of breathing!
Any ideas guys? or similar experiences?
A tiny bit about me...I am kind of a beginner runner, have run a few 10k and a couple of half marathons. Was quite happy to get a PB this year of 1:51 but want to get faster!