![New shoe makes running 4 percent easier, 2-hour marathon possible, study shows | CU Boulder Today | University of Colorado Boulder New shoe makes running 4 percent easier, 2-hour marathon possible, study shows | CU Boulder Today | University of Colorado Boulder](https://www.colorado.edu/today/sites/default/files/article-thumbnail/bostonmarathon.jpg)
New shoe makes running 4 percent easier, 2-hour marathon possible, study shows | CU Boulder Today | University of Colorado Boulder
![Nike's high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox Nike's high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox](https://cdn.vox-cdn.com/thumbor/CoWhAh9S-FjXXhJoevQp7pCQcF0=/0x0:4664x3104/1200x800/filters:focal(2260x1658:3006x2404)/cdn.vox-cdn.com/uploads/chorus_image/image/65615828/947441286.jpg.0.jpg)
Nike's high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox
Road Trail Run: Nike Zoom Vaporfly 4% First Impressions... On My Foot! Action Shots of the Boston Winners Wearing Them.
![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?resize=640:*)