Nike Vaporfly shoe controversy sparks World Athletics to introduce new rules ahead of Tokyo 2020 Olympics - ABC News
![ROME, ITALY, JUNE 23. 2020: Nike Running Shoes ALPHAFLY NEXT Editorial Stock Photo - Image of athletic, alphafly: 188352208 ROME, ITALY, JUNE 23. 2020: Nike Running Shoes ALPHAFLY NEXT Editorial Stock Photo - Image of athletic, alphafly: 188352208](https://thumbs.dreamstime.com/z/rome-italy-june-nike-running-shoes-alphafly-next-controversial-green-athletics-shoe-legs-professional-athlete-running-188352208.jpg)
ROME, ITALY, JUNE 23. 2020: Nike Running Shoes ALPHAFLY NEXT Editorial Stock Photo - Image of athletic, alphafly: 188352208
![ROME, ITALY, JUNE 23. 2020: Nike Running Shoes ALPHAFLY NEXT . Controversial Green, Black Athletics Marathon Shoe Editorial Photography - Image of extraordinary, official: 188352372 ROME, ITALY, JUNE 23. 2020: Nike Running Shoes ALPHAFLY NEXT . Controversial Green, Black Athletics Marathon Shoe Editorial Photography - Image of extraordinary, official: 188352372](https://thumbs.dreamstime.com/b/rome-italy-june-nike-running-shoes-alphafly-next-controversial-green-black-athletics-marathon-shoe-detail-air-zoomx-foam-zoom-188352372.jpg)
ROME, ITALY, JUNE 23. 2020: Nike Running Shoes ALPHAFLY NEXT . Controversial Green, Black Athletics Marathon Shoe Editorial Photography - Image of extraordinary, official: 188352372
![TOKYO, JAPAN, MARCH 18. 2021: Nike running shoes ALPHAFLY NEXT%. Controversial athletics shoe on legs of professional athlete running on the road. Official white shoe for Tokyo Olympics 2020 marathon Stock Photo | Adobe Stock TOKYO, JAPAN, MARCH 18. 2021: Nike running shoes ALPHAFLY NEXT%. Controversial athletics shoe on legs of professional athlete running on the road. Official white shoe for Tokyo Olympics 2020 marathon Stock Photo | Adobe Stock](https://as2.ftcdn.net/v2/jpg/04/21/24/23/1000_F_421242359_geFLjtQHnHRxyXoUvUAAMNTIdRs73vNa.jpg)
TOKYO, JAPAN, MARCH 18. 2021: Nike running shoes ALPHAFLY NEXT%. Controversial athletics shoe on legs of professional athlete running on the road. Official white shoe for Tokyo Olympics 2020 marathon Stock Photo | Adobe Stock
![ROME, ITALY, JUNE 23. 2020: Nike Running Shoes ALPHAFLY NEXT . Controversial Green, Black Athletics Marathon Shoe Editorial Stock Image - Image of black, foam: 188352359 ROME, ITALY, JUNE 23. 2020: Nike Running Shoes ALPHAFLY NEXT . Controversial Green, Black Athletics Marathon Shoe Editorial Stock Image - Image of black, foam: 188352359](https://thumbs.dreamstime.com/b/rome-italy-june-nike-running-shoes-alphafly-next-controversial-green-black-athletics-marathon-shoe-detail-air-zoomx-foam-zoom-188352359.jpg)