RK
Ryuji Koyama
JPNMen
Birth date7/8/1948
Height-
Weight-
Ryuji Koyama is a Japan steeplechase runner, born on July 8, 1948. He competes primarily in the 3000mSt.
His personal bests include 8:21.6h in the 3000mSt. He is currently active on the international athletics circuit, representing Japan.
PB
Personal bests
8:21.6HT