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Too much spring in their step? Nike running shoe under scrutiny after record marathon times - GeekWire
![Nike and Adidas just rolled out ultra-fast marathon shoes. But do they make sense for the average runner? Nike and Adidas just rolled out ultra-fast marathon shoes. But do they make sense for the average runner?](https://www.mensjournal.com/wp-content/uploads/mf/eliud-kipchoge-finish-line-mens-marathon-rio-2016-olympic-games-1280.jpg?quality=86&strip=all)
Nike and Adidas just rolled out ultra-fast marathon shoes. But do they make sense for the average runner?
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Mens Nike Flex 2016 Rn Runners Blue 11 Brand New Unworn Boxed For Sale in Limerick City, Limerick from isellstufff
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It stretches the limits of performance': the race to make the world's fastest running shoe | Running | The Guardian
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Mens Nike Flex 2016 Rn Runners Blue 11 Brand New Unworn Boxed For Sale in Limerick City, Limerick from isellstufff
![Nike's latest four-shoe Free Flyknit aims to have something for every runner - Canadian Running Magazine Nike's latest four-shoe Free Flyknit aims to have something for every runner - Canadian Running Magazine](https://runningmagazine.ca/wp-content/uploads/2016/04/0A0A8626.jpg)
Nike's latest four-shoe Free Flyknit aims to have something for every runner - Canadian Running Magazine
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Ekaterinburg, Russia - August 7, 2016: legs woman runner in white running shoes Nike in Europe-Asia Marathon Stock Photo - Alamy
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