Wednesday, August 10, 2011

How Heat Affects Running Performance

New York City Marathon Top Times TemperatureHow Heat Affects Running Performance
There is little doubt that exercise performance is impaired in hot environments. While the effect of heat on performance varies with the sport (for example, less effect on cycling than running), there is a great deal of empirical data showing a link between ambient temperature and performance. Various authors have suggested performance impairments of between 1.6 and 3% in marathon times for every 10 degrees above 55 degrees Fahrenheit. Below is an interesting table from a paper by Scot Montain and colleagues at the US Army Research Institute of Environmental Medicine illustrates the relationship between elite marathoner finishing times and course temperature in the New York City Marathon. The Rest is here

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