IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian
Breaking2. Nike GB
Why Nike's #Breaking2 Marathon Attempt Wasn't About Selling a Sneaker | GQ
Breaking2. Nike GB
Athletes wear custom-engineered Nike trainers in attempt to break two-hour marathon barrier
Watch The Shoe That Could Make a Sub-Two-Hour Marathon Possible | WIRED
Do Nike's New Shoes Give Runners an Unfair Advantage? - The New York Times
Nike Breaking2 Athlete Goes for World Marathon Record in $600 Sneakers - WearTesters
One Runner Came Tantalizingly Close To A 2-Hour Marathon | FiveThirtyEight
Is This the Shoe That Will Break 2 Hours in the Marathon? | Runner's World
/https://www.thestar.com/content/dam/thestar/business/2017/05/17/nike-adidas-paving-the-way-in-race-to-break-2-hour-marathon-record/nike-shoesjpg.jpg "Nike, Adidas paving the way in race to break 2-hour marathon record | The Star")
Nike, Adidas paving the way in race to break 2-hour marathon record | The Star
Breaking2. Nike GB
Athletes wear custom-engineered Nike trainers in attempt to break two-hour marathon barrier
The Epic Untold Story of Nike's Two Hour Marathon Attempt | WIRED
The Epic Untold Story of Nike's Two Hour Marathon Attempt | WIRED
Is this the shoe that will help rewrite marathon history?
Nike designs "fastest shoe ever" to break the two-hour barrier for marathon running
The Shoes Eliud Kipchoge Used to Run a 1:59 Marathon in Vienna | Running Shoes Guru
Why Nike's Breaking2 could succeed - Canadian Running Magazine
Nike designs "fastest shoe ever" to break the two-hour barrier for marathon running
Eliud Kipchoge misses sub two-hour marathon target in Monza – as it happened | Marathon | The Guardian
