Fartlek – No, It’s NOT a Dirty Word
Fartlek is a great way to improve your running speed and endurance. But what the heck is it?
Fartlek is a great way to improve your running speed and endurance. But what the heck is it?
Tired of looking at your watch constantly when doing Timed Intervals? I found just the solution to this problem.
Do Intervals hurt? Maybe. Well actually, YES. But do they WORK?
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