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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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Running: Nike Vaporfly 4% trainers boost elite athletes' performance by up to 1.7%, study finds | Daily Mail Online
![Running: Nike Vaporfly 4% trainers boost elite athletes' performance by up to 1.7%, study finds | Daily Mail Online Running: Nike Vaporfly 4% trainers boost elite athletes' performance by up to 1.7%, study finds | Daily Mail Online](https://i.dailymail.co.uk/1s/2021/04/22/12/42075776-9499347-image-m-10_1619090254457.jpg)
Running: Nike Vaporfly 4% trainers boost elite athletes' performance by up to 1.7%, study finds | Daily Mail Online
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