Those Superfast Nike Shoes Are Creating a Problem
The people who oversee track and field have to give serious thought to how much running-shoe technology is too much. Last weekend’s extraordinary marathon performances — 1 hour 59 minutes 40 seconds by Eliud Kipchoge in Vienna and 2:14:04 by Brigid Kosgei in Chicago — have focused attention on an already simmering question: Does the International Association of Athletics Federations need a more stringent rule to define legal running shoes?
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