219: Expert Edition: Dr Stephen Seiler: Acclaimed Sports Scientist: COVID training & marathon considerations
The Physical Performance Show
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The Effects of Pacing on Performance in Flat Marathons
Five kilometer pace has been about four percent faster than 10 kilometer pace. When you get out to the jump from a half marathon to a marathon the pace slows down about 5 percent on average for them so is that a big difference 3 percent 3 and a half versus 5 well it is a difference for world-class athletes. It's probably due to the fact that that transition from half marathon to marathon you're hitting this glycogen limitation so hence the wall, he says.
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