24 (from 5 confederations) teams participated in  Detroit Grand Prix . The official site of  Detroit Grand Prix is www.hardrock100.com . 1963 is when  Detroit Grand Prix was founded  . Carioca Arena 2 were the venues of  Detroit Grand Prix . The no. of events in sport was 18 . 28 from 28 nations competed in  Detroit Grand Prix . It was held in 28 July – 3 August 2012
All the events of the sports  Detroit Grand Prix are conducted in Carioca Arena 2