![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/5b565649b2e231edfd00ebbe32d49e4648b49553/338_640_2787_4832/master/2787.jpg?width=445&dpr=1&s=none)
IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian
Alberto Stretti on X: "Galen Rupp ran 10000m without normal spikes-shoes...to be relaxed for marathon?? ...interesting techincal argument https://t.co/nw3CtFpIA4" / X
![Galen rupp holed singlet: does anyone know how I would make holes in my Nike 2016 canada tank top and what to use? Curious and looks pretty neat, I live down in Galen rupp holed singlet: does anyone know how I would make holes in my Nike 2016 canada tank top and what to use? Curious and looks pretty neat, I live down in](https://i.redd.it/ps1wiw7m8y571.jpg)