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Nike's high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox
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Running: Nike Vaporfly 4% trainers boost elite athletes' performance by up to 1.7%, study finds | Daily Mail Online
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Nike's Vaporfly 4% Shoes Really Did Boost the Running Economy of Everyone Tested, Says Study | Runner's World
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Road Trail Run: My Take and Analysis- New York Times "Those Superfast Nike Shoes are Creating a Problem"
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Runners who wear Nike's fastest shoes may have a 4 to 5 per cent advantage over others in races | Daily Mail Online
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