In the 2023 Diamond League, he won the 6th leg held in June, becoming the first Japanese athlete to win a track event in this prestigious series. Moreover, at the World Championships in August of the same year, he finished 5th, the highest placement ever for a Japanese athlete in this event.
Set to compete in the Paris Olympics, Izumiya uses the "
NIKE MAXFLY 2" as his race spikes and the "
NIKE PEGASUS 41" for training. What functions does Izumiya seek in his spikes and training shoes?