Speed endurance help please?


have been trying increase 2 mile run time. around 12:30 when try run @ quicker pace not endurance gets tired leg muscles. questions how can stop these leg muscles tightening , getting tired?

additional info: alot of stretching , alot of 30 second jog 30 second run intervals through hills.

i have been trying increase 2 mile run time. around 12:30 when try run @ quicker pace not endurance gets tired leg muscles. questions how can stop these leg muscles tightening , getting tired? additional info: alot of stretching...


Sports Running Next



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