The venue for US Open was Riocentro – Pavilion 6 . 24 (from 5 confederations) teams participated in US Open . 2005 is when US Open was established  . The no. of events in sport was 8 . The sport has the official site www.hardrock100.com . 64 from 25 nations competed in US Open
US Open will celebrate it's  Platinum jubilee on 2075