Among the favorites at the 2004 Summer Olympics, he eventually won the gold medal after the disqualification of Adrián Annus.

Murofushi was accepted a faculty appointment at Chukyo University as associate professor of physical education in 2011.

Murofushi joined Tokyo Medical and Dental University in 2014 and serving professor in physical education and director of sports science center.

Two medalists, Vadim Devyatovskiy and Ivan Tsikhan, were first disqualified for failing the doping test,[5] but won the appeal and had their medals reinstated.

[10] He remained ahead of second-placed Dilshod Nazarov at the end of the series, winning with a score of 238.52 (the combined total of his three best throws on the circuit).

Although Murofushi collected more than enough votes to be elected, his candidacy was voided by the IOC (International Olympic Committee) due to inappropriate campaigning by the JOC during the Games.

[17] Koji Murofushi was born on 8 October 1974 in Numazu, Shizuoka Prefecture, Japan and is of Japanese-Romanian descent.