Nike ZoomX Vaporfly: What are the shoes Eliud Kipchoge wore in Ineos 1.59 marathon and why are they controversial? | The Independent | The Independent
Eliud Kipchoge Breaks Two-Hour Marathon Barrier - The New York Times
Kipchoge's Sub-Two-Hour Marathon: How Legitimate Is It? - The Atlantic
Kenya's Eliud Kipchoge, the marathon world record holder, runs wearing Nike Vaporfly shoes during his attempt to run a marathon in under two hours in Vienna, Austria, October 12, 2019. REUTERS/Leonhard Foeger