Kirara Shiraishi gained his first international experience at the IAAF World Relays 2019 in Yokohama , where he finished fifth in the 4 x 200 meter relay in 1: 23.15 minutes. In the 200-meter run , he also qualified for the World Championships in Doha , where he was eliminated with 20.62 seconds in the lead . He also won the bronze medal behind the teams from the United States and the United Kingdom with the Japanese 4 x 100 meter relay in a new Asian record of 37.43 s.
Personal bests
100 meters: 10.19 s (+1.2 m / s), April 28, 2019 in Hiroshima
200 meters: 20.27 s (+0.8 m / s), August 17, 2019 in Fukui