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The marathon starts at Paca and Camden Streets and works through the Inner Harbor, Federal Hill and Fells Point, and passes the penguin exhibit at the Maryland Zoo. Between miles 16 and 20 you face a climb the organiser compares to Heartbreak Hill, followed by a flatter loop of Lake Montebello. Sixteen water stops carry water and Gatorade, with bananas and snacks at several points. Energy gels are not provided, so bring your own. The time limit is seven hours, and results go to the Boston Athletic Association for qualifying.
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What could you run here?
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