alt Hacker NewsThose shoes are gonna sell like crazy now but it would be hilarious if they were to be found to have been giving an unfair advantage because of some mechanical property of the shoe.
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The Nike Zoom Vaporfly's already had set this precedent years ago: https://www.nytimes.com/interactive/2018/07/18/upshot/nike-v...
The big improvement then was a carbon plate. Adidas (and others) followed suit. The subsequent improvements since then have been marginal but the margins are thin at that level. In this case the big advancement has been the weight of the shoe.
EDIT: Also it's worth noting these shoes are $500 retail. Adidas will for sure get a boost in sales from this, but there's definitely competition in the $200~$300 marathon running shoe space that won't solely draw everyone to Adidas)
Well if they’re sold in stores and next year everyone will have a pair, then it’s not going to be an unfair advantage, is it?
Reviews say that they have very very good, but not record breaking energy return and shock absorption. But what they are is insanely light at sub 100g.
https://runrepeat.com/adidas-adizero-adios-pro-evo-3