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New shoe makes running 4 percent easier, 2-hour marathon possible, study shows | CU Boulder Today | University of Colorado Boulder
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NIKE | NIKE WAFFLE RACING FLAT | MOON SHOE | SIZE 12.5 | Stadium Goods: The Ultimate Sneaker Collection Online | Collectibles | Sotheby's
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Nike's sub-two-hour marathon shoe doesn't look the way you think it should - Canadian Running Magazine
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