Adidas Has a New "Illegal" Shoe. But Who Is It For?

Due to stack height regulations, pros can’t race in the new Adizero Prime X. But it’s fair game for amateur runners—we asked a few of them how they’d feel about competing in it.

Related Keywords

Ethiopia , Canada , Vienna , Wien , Austria , Ethiopian , Ann Mazur , Nicholas Thompson , Mario Fraioli , Derara Hurisa , Jeremy Rellosa , Alex Hutchinson , Olympics , Adidas , Vienna City Marathon , World Athletics , Relay Active , Morning Shakeout , Sweat Science , Nike Vaporfly ,