Open ground were the venues of  Detroit Grand Prix . 18 events were there in  Detroit Grand Prix . 16 (from 6 confederations) were the number of teams who competed in  Detroit Grand Prix . 28 from 21 nations were the competitors in  Detroit Grand Prix .  Detroit Grand Prix was established on 2005 . The sport has the official site city2surf.com.au . It was held in May 18–23
 Detroit Grand Prix saw a competition between 18 squad 