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American track star Allyson Felix launches her own shoe company two years after leaving Nike - CBSSports.com
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Nike Air Force 1 Lv8 Low Grade-School, Craft, Newton, Dynafit, Altra, Topo Athletic, Raidlight, Skechers | On, Under Armour talla 30.5, New Balance, Nike, Zapatillas Running 361º, K Swiss, Ofertas para comprar
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Nike's lightning shoes hint at power of technology to skew elite competition | Athletics | The Guardian
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