Factbox: Nike's Vaporfly running shoes and tumbling records | Reuters
Galen Rupp 'has a blast,' runs away with Olympic trials in first marathon
2016 LRC Year-End Rankings, Men's Marathon: Eliud Kipchoge Caps a Historic Year as World #1 as Breakout Marathon Star Galen Rupp Leads the Americans - LetsRun.com
Is 'sub-two-hour' Nike marathon attempt just a clever marketing stunt? | Athletics | The Guardian
This Team Of Runners Is Chasing An Audacious Goal: A 2-Hour Marathon | Here & Now