![Nike's two-hour marathon project reveals technological inequities in sport | Roger Pielke Jr | The Guardian Nike's two-hour marathon project reveals technological inequities in sport | Roger Pielke Jr | The Guardian](https://i.guim.co.uk/img/media/6b24cf0955ab3733b45ca6db05ae101fe6bfc45d/0_160_1600_960/master/1600.jpg?width=1200&height=900&quality=85&auto=format&fit=crop&s=0480ac526cc8cd4b92673c7ec75705e4)
Nike's two-hour marathon project reveals technological inequities in sport | Roger Pielke Jr | The Guardian
![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/hqdefault.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
![Nike Vaporfly Shoes Helped Eliud Kipchoge Run a Marathon in Under 2 Hours. Should They Be Banned? | Inc.com Nike Vaporfly Shoes Helped Eliud Kipchoge Run a Marathon in Under 2 Hours. Should They Be Banned? | Inc.com](https://www.incimages.com/uploaded_files/image/1920x1080/getty_1175367731_2000145020009280346_405176.jpg)