Bouldering Japan Cup 2020
chief routesetter : Kosuke Hiramatsu
routesetter: Gen Hirashima Kensuke Hamada Masatoshi Sugita Yoshihiro Iwahashi Tsukasa Mizuguchi Hiroaki Ozaki
Organizer : JMSCA https://www.jma-climbing.org/competition/2020/bjc/
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