![Athletes attempt to break two-hour marathon barrier wearing custom-engineered Nike trainers - YouTube Athletes attempt to break two-hour marathon barrier wearing custom-engineered Nike trainers - YouTube](https://i.ytimg.com/vi/QWSFNO5o0DA/mqdefault.jpg)
Athletes attempt to break two-hour marathon barrier wearing custom-engineered Nike trainers - YouTube
![Nike's sub-two-hour marathon shoe doesn't look the way you think it should - Canadian Running Magazine Nike's sub-two-hour marathon shoe doesn't look the way you think it should - Canadian Running Magazine](https://runningmagazine.ca/wp-content/uploads/2017/03/Su17_RN_FASTPack_VaporFlyElite_Profile.jpg)
Nike's sub-two-hour marathon shoe doesn't look the way you think it should - Canadian Running Magazine
![Eliud Kipchoge will wear Nike's controversial shoe for first time in an official race at the London Marathon | CTV News Eliud Kipchoge will wear Nike's controversial shoe for first time in an official race at the London Marathon | CTV News](https://www.ctvnews.ca/polopoly_fs/1.4792027.1580486943!/httpImage/image.jpg_gen/derivatives/landscape_1020/image.jpg)
Eliud Kipchoge will wear Nike's controversial shoe for first time in an official race at the London Marathon | CTV News
![An Exclusive, Behind-the-Scenes Look at How Nike Is Trying to Break the 2-Hour Marathon Barrier | Runner's World An Exclusive, Behind-the-Scenes Look at How Nike Is Trying to Break the 2-Hour Marathon Barrier | Runner's World](https://hips.hearstapps.com/hmg-prod.s3.amazonaws.com/images/1076/articles/2017/05/moonshot-web-2-1503953086.jpg?crop=1xw:0.744xh;center,top&resize=480:*)