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The phrase “elevation profile” is meaningful to most trail runners. It refers to the rise and fall of a race course over the distance of that course. The elevation profile represents, in layman’s terms, how hilly the course is. The Boston Marathon, with its famous “Newton hills” and infamous “Heartbreak Hill,” has 783 feet of gain over 26.2 miles. New York City, with its five bridge crossings, has 885 feet of gain…. Read More