Recovery runs in sub-3 training: vital or junk miles?
Recovery runs in sub-3 training: vital or junk miles?
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Recovery runs in sub-3 training: vital or junk miles?

Some runners sneer at recovery runs, as if anything slow is a sign of weakness or wasted effort. For the sub-3 runner, though, nothing could be further from the truth. Easy miles are not junk - they are one of the hidden engines of endurance.