Answered by a doctor
I'm currently trying to increase my running speed and endurance. I currently have an 8 minute mile (on a good day.) My major goals are to achieve a 6 to 6.30 minute mile, 12-13 minute 2 mile, a 19-20 minute 3 mile, the ability to run 5-8 miles at a 8 mile per hour rate, and be able to run at a slow...
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Publius