30 Sep '14, 2pm

What do world records teach us about marathon pacing?

What is clear, however, is that Kimetto, Kipsang, Makau and Gebrselassie all ran each mile close to the same pace. Even Pfitzinger’s allowance accounts for only seconds of variation per mile; he isn’t saying go out fast and try to hold on. Neither is anyone claiming that you should jog the first half and then make up time. Kimetto’s negative split came with a few faster miles between 30K and 35K, and then he settled back to the same efficient pace. Your fastest time will come when you can run as close to the red line as consistently as possible.

Full article: http://www.runnersworld.com/running-tips/what-world-recor...

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