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Metabolic and performance responses of male runners wearing 3 types of footwear: Nike Vaporfly 4%, Saucony Endorphin racing flats, and their own shoes - ScienceDirect
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PDF) Evidence of variable performance responses to the Nike 4% shoe: Definitely not a game-changer for all recreational runners
Road Trail Run: Vaporfly 4% Flyknit Initial Impressions and Race Review. Near Perfect for 1:07 & 1:40 Half Racer/Testers. Comparisons to the Original Vaporfly 4% and Zoom Fly Flyknit
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