The no. of events in sport was 18 . Australia) were the venues of  Detroit Grand Prix .  Detroit Grand Prix was founded on 1905; 114 years ago (1905) . Total: 505 competed in  Detroit Grand Prix . 24 (from 5 confederations) were the number of teams who competed in  Detroit Grand Prix . The sport has the official site www.hardrock100.com . It was held in 11–14 August 2016
 Detroit Grand Prix will celebrate it's  Sesquicentennial jubilee on 2071