![Kelvin Kiptum batte il record mondiale alla maratona di Chicago e riporta Nike alla ribalta con queste scarpe. Kelvin Kiptum batte il record mondiale alla maratona di Chicago e riporta Nike alla ribalta con queste scarpe.](https://static.runnea.com/images/202310/kevin-kiptum-nike-alphafly-3-XxXx95.jpg?0)
Kelvin Kiptum batte il record mondiale alla maratona di Chicago e riporta Nike alla ribalta con queste scarpe.
![World Athletics gives seal of approval for controversial Nike Vaporfly shoes | Athletics | The Guardian World Athletics gives seal of approval for controversial Nike Vaporfly shoes | Athletics | The Guardian](https://i.guim.co.uk/img/media/e0330d85e02744f2f3f5048839c4f4562f58fb45/0_0_3500_2100/master/3500.jpg?width=1200&height=900&quality=85&auto=format&fit=crop&s=2df92412ee025f406d154d83b7db47e8)
World Athletics gives seal of approval for controversial Nike Vaporfly shoes | Athletics | The Guardian
![All elite runners choose the Nike Alphafly 3, you won't believe the speed at which you'll run in your next marathon! All elite runners choose the Nike Alphafly 3, you won't believe the speed at which you'll run in your next marathon!](https://static.runnea.com/images/202312/nike-alphafly3-corredores-elite-maraton-recurso-apertura-1200x572x80xX.jpg?1)
All elite runners choose the Nike Alphafly 3, you won't believe the speed at which you'll run in your next marathon!
![Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics - BBC Science Focus Magazine Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics - BBC Science Focus Magazine](https://c02.purpledshub.com/uploads/sites/41/2021/08/Alamy_2F3Y8J0-crop-ff47efc.jpg)