NK
Naohiro Koyama

Naohiro Koyama

JPNMen
Birth date5/20/1995
Height-
Weight-

Naohiro Koyama is a Japan race walker, born on May 20, 1995. He competes primarily in the 20kmW, 35kmW and 50kmW.

His personal bests include 1:31:38 in the 20kmW, 3:02:14 in the 35kmW, 4:22:18 in the 50kmW, 48:24 in the 10Kilometr and 22:42.29 in the 5000Metres. He is currently active on the international athletics circuit, representing Japan.

PB

Personal bests

1:31:38
3:02:14
4:22:18
48:24
22:42.29
44:10.86

Performance Charts

Season bests