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HOME LOG IN OUR MISSION ABOUT US FITNESS GEAR FITNESS TOOLS • BMI Calculator • Calorie Converter LIBRARY • Articles • Books and Videos MOBILE APPS SPORTS NUTRITION FAQs GALLERY LINKS CONTACT US Fitness Tip of the Day! Best Temperature for a Marathon? According to the US Army Research Institute of Environmental Medicine, the optimum temperature for running a marathon is 41 degrees F.     Keyword: obstacle races Article Publish Date Obstacle Races 04/14/2014

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