Daisuke Arakawa (荒川 大輔, Arakawa Daisuke; born 19 September 1981) is a Japanese athlete specialising in the long jump. He twice represented his country at World Championships, in 2007 and 2009, failing to reach the final. His personal bests are 8.09 metres outdoors (2008) and 7.77 metres indoors (2003). He also holds the Japanese masters record (M35) with 7.33 metres outdoors (2017).
Source: “Daisuke Arakawa”, English Wikipedia (CC BY-SA 4.0), excerpt