![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/images/1076/moonshot-triptych-1-1506733677.jpg?resize=980:*)
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 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/images/1076/nike-collage-1506733681.jpg?resize=980:*)
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 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/vidthumb/05498a77-2b90-40c4-bb88-a0dbea8cecee/05498a77-2b90-40c4-bb88-a0dbea8cecee_image.jpg?crop=1xw:1.0xh;center,top&resize=1200:*)
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 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/vidthumb/bc46a1ad-b55c-4ab7-8020-aeb4476edbba/bc46a1ad-b55c-4ab7-8020-aeb4476edbba_image.jpg?crop=1xw:1.0xh;center,top)
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 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/images/1076/desisa-before-run-1506733694.jpg)