"Long run facts
Thirteen miles with walk breaks equals 13 miles continuously's at any speed, Twenty miles with walk breaks equals 20 miles run continuously's at any speed (but you recover faster with walk breaks). "
That's from Galloway's website. Anyone want to chime in. I thought I read an interview with Lydiard saying after 20 seconds of non-running, you lose the full benefits you would have received had you continuously run.