![IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian](https://i.guim.co.uk/img/media/278bf5db6b5a9f9ccb47f686bc3a94c9e7c9495b/326_192_1100_660/master/1100.jpg?width=1200&height=900&quality=85&auto=format&fit=crop&s=41bcaaf0ab1aa79734de7bacb28d84a3)
IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian
![Eliud Kipchoge ran a world record in the Nike Alphafly 2 – Could he have run that fast in different running shoes? | T3 Eliud Kipchoge ran a world record in the Nike Alphafly 2 – Could he have run that fast in different running shoes? | T3](https://cdn.mos.cms.futurecdn.net/bpVTYZw9UvHtgjnoVSPfyQ.jpeg)
Eliud Kipchoge ran a world record in the Nike Alphafly 2 – Could he have run that fast in different running shoes? | T3
Nike's high-tech, record-breaking Vaporfly marathon shoes should be banned, Rob de Castella says - ABC News
![The fastest shoes in the world? Nike and Adidas reveal shoes designed to shatter the 2-hour marathon record The fastest shoes in the world? Nike and Adidas reveal shoes designed to shatter the 2-hour marathon record](https://www.mensjournal.com/wp-content/uploads/mf/nike-zoomvaporfly-profile-1280.jpg?quality=86&strip=all)
The fastest shoes in the world? Nike and Adidas reveal shoes designed to shatter the 2-hour marathon record
![Nike ZoomX Vaporfly Next% 2 — when it comes to running marathons, there's nothing better | Tom's Guide Nike ZoomX Vaporfly Next% 2 — when it comes to running marathons, there's nothing better | Tom's Guide](https://cdn.mos.cms.futurecdn.net/ACEfrvuuVEjDcutJhRWkXB.jpg)
Nike ZoomX Vaporfly Next% 2 — when it comes to running marathons, there's nothing better | Tom's Guide
![It stretches the limits of performance': the race to make the world's fastest running shoe | Running | The Guardian It stretches the limits of performance': the race to make the world's fastest running shoe | Running | The Guardian](https://i.guim.co.uk/img/media/cc8d03039454c146ddf523d17bce945e38b8b238/0_286_3204_2434/master/3204.jpg?width=620&quality=85&auto=format&fit=max&s=00ff1211ed32c225283589bd63346f0c)