Takaharu Koyama (小山 隆治, Koyama Takaharu; 8 July 1948 – 11 September 2018) was a Japanese middle distance runner who competed in the 1972 Summer Olympics and in the 1976 Summer Olympics. Koyama finished second behind John Davies in the 3,000 metres steeplechase event at the British 1974 AAA Championships.
Source: “Takaharu Koyama”, English Wikipedia (CC BY-SA 4.0), excerpt