“We serve all the athletes in all those different events equally and we put the same focus into the javelin boot as we do the 100-meter shoe.” The Nike Maxfly 2 is an updated sprinter's spike ...

“Did you really say you can run in these shoes?” said Kiryu, the first Japanese to run the 100 meters in under 10 seconds, when he first saw a prototype of the Metasprint in 2018. But Kiryu ...