30 Sep '14, 8pm

Banking time early on in a marathon almost never works. #runningtips

There is, however, some sound argument for going slightly faster than goal pace and ending up with positive splits. People as knowledgeable as author, exercise physiologist and two-time Olympic marathoner Pete Pfitzinger maintain that efficiency goes down as muscles fatigue , so you may slow some during the final miles even if you don’t bonk and stagger in. Those who promote this view point out that the two marathon world record holders before Kimetto ran positive splits (Wilson Kipsang , 2:03:23, with half splits of 61:32/61:51, and Patrick Makau , 2:03:38, with half splits of 61:44/61:54).

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

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