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
![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/2021/04/22/12/42075760-9499347-image-a-11_1619090262557.jpg)
Running: Nike Vaporfly 4% trainers boost elite athletes' performance by up to 1.7%, study finds | Daily Mail Online
![Episode 9: World Marathon Records are Falling, Ineos 1:59, Breaking 2, Nike Vaporfly 4%, Mechanical Doping, and more - The Art and Science of Running Podcast Episode 9: World Marathon Records are Falling, Ineos 1:59, Breaking 2, Nike Vaporfly 4%, Mechanical Doping, and more - The Art and Science of Running Podcast](https://i1.wp.com/www.artsciencerun.com/wp-content/uploads/2019/10/eluid-kipchoge-1-59-attempt-kit-nike-zoom-marathon-shoe-original-1570886243.jpeg?fit=768%2C512)
Episode 9: World Marathon Records are Falling, Ineos 1:59, Breaking 2, Nike Vaporfly 4%, Mechanical Doping, and more - The Art and Science of Running Podcast
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
![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/2021/04/22/12/42079486-0-image-a-39_1619092422728.jpg)