Ben Johnson on Instagram: “World Record | Nike Alphafly 2 The new marathon world record shoe is the "Total Orange" Nike Alphafly 2 worn by @kipchogeeliud NO HUMAN…”
FIRST LOOK! Unboxing The BRAND NEW Nike Alphafly NEXT% | Eliud Kipchoge's 1:59 Marathon Shoes - YouTube
Nike, Adidas paving the way in race to break 2-hour marathon record | The Star
How Nike engineered its latest record-breaking marathon shoe