ROME, ITALY, JUNE 23. 2020: Nike Running Shoes ALPHAFLY NEXT Editorial Stock Image - Image of legs, fitness: 188352219
ROME, ITALY, JUNE 23. 2020: Nike running shoes ALPHAFLY NEXT%. Controversial green athletics shoe on legs of professional athlete running on the road. Official shoe for Tokyo Olympics 2020 marathon Stock Photo | Adobe Stock
Do Nike's New Shoes Give Runners an Unfair Advantage? - The New York Times
Film Chronicles The Road To The 2-Hour Marathon: It's 'Just 25 Seconds Away' : NPR
Nike 2-hour marathon record - Washington Post
Eliud Kipchoge Runs World's Fastest Marathon, in Nike's Special Shoes - The New York Times