By  on April 17, 2018

NEW YORK — Galen Rupp had a secret weapon when he toed the line at Monday’s rain-soaked Boston Marathon: a spanking new shoe from Nike featuring a proprietary 3-D-printed textile that is intended to more effectively wick water. And although he failed to finish, it had more to do with his nutrition than his footwear.

Called the FlyPrint, the sneaker is the latest iteration to be birthed from the Zoom Vaporfly Elite, the shoe worn by Eliud Kipchoge when he ran the fastest marathon ever last year.

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