Hiroaki Doi (土井宏昭, Doi Hiroaki; born December 2, 1978) is a Japanese hammer thrower. His personal best throw is 74.08…
Hiroaki Doi (土井宏昭, Doi Hiroaki; born December 2, 1978) is a Japanese hammer thrower. His personal best throw is 74.08 metres, achieved in June 2007 in Inba.
