![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/C0qlm_jPHtw5MmpgxbFNpZ6D3SY=/1400x1400/filters:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_asset/file/19339629/947441286.jpg.jpg)
Nike's high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox
![Nike's latest $250 sneaker could be breakthrough for marathon runners, CU study shows – The Denver Post Nike's latest $250 sneaker could be breakthrough for marathon runners, CU study shows – The Denver Post](https://www.denverpost.com/wp-content/uploads/2017/11/marathon_shoes-cc13-1040x780-e1510974716358.jpg?w=1024)
Nike's latest $250 sneaker could be breakthrough for marathon runners, CU study shows – The Denver Post
![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/styles/medium/public/article-image/marathon_shoes.cc12_0.jpg?itok=-I36ArDc)