![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
![Nike's Vaporfly 4% Shoes Really Did Boost the Running Economy of Everyone Tested, Says Study | Runner's World Nike's Vaporfly 4% Shoes Really Did Boost the Running Economy of Everyone Tested, Says Study | Runner's World](https://hips.hearstapps.com/hmg-prod/images/1076/breaking-2-final-nike-theshoes-1510925833.jpg)
Nike's Vaporfly 4% Shoes Really Did Boost the Running Economy of Everyone Tested, Says Study | Runner's World
![Road Trail Run: Nike Zoom Vaporfly 4% Detailed Breakdown Run and Race Performance Review: Sensational, A Game Changer! Road Trail Run: Nike Zoom Vaporfly 4% Detailed Breakdown Run and Race Performance Review: Sensational, A Game Changer!](https://4.bp.blogspot.com/-mdnv7JBML2U/WXS1zLC1fjI/AAAAAAAAmVA/t0GBN2K1IIUpxSbPBf5s6TWCOL71rNo3gCLcBGAs/w1200-h630-p-k-no-nu/fullsizeoutput_54ab.jpeg)