The Epic Untold Story of Nike's Two Hour Marathon Attempt | WIRED
A Day with Olympic Marathon Champion Eliud Kipchoge, Part II: A Look at Kipchoge's Spartan Training Camp & Why He Is Part of Nike's Breaking2 Attempt - LetsRun.com
The Epic Untold Story of Nike's Two Hour Marathon Attempt | WIRED
A Breakdown of the Nike Kipchoge Prototype Shoe » Believe in the Run