![]() ![]() Critical speed is essentially the fastest a runner can possibly travel for an hour. Researchers found that the best estimation for marathon performances comes from assessing a runner’s critical speed. Those who scored in the 60s for their VO2 max were likely the runners who proved to be the most efficient in other ways.īased on the results of the 2017 race, Kipchoge likely had the most promising results across the board. The recorded VO2 maxes ranged from 62 (which can be seen in recreational runners) to 84 (which, for example, is the same as Lance Armstrong). ![]() ![]() For example, some runners with superior VO2 maxes had poor running economy. “When considered in isolation, V̇O2peak, O2 cost of running and lactate-related metrics were not significantly correlated with marathon performance,” they said. interestingly, researchers found that one lone variable isn’t a good predictor for a runner’s finishing time – you need to look at all three in tandem. The main goal of the study was to find exactly what the physiological cost of running a two-hour marathon pace is. ![]()
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