18 events were there in  Detroit Grand Prix . 28 from 21 nations competed in  Detroit Grand Prix .  Detroit Grand Prix was established on 2005 . Open ground were the venues of  Detroit Grand Prix . The official site of  Detroit Grand Prix is city2surf.com.au . 16 (from 6 confederations) were the number of teams who competed in  Detroit Grand Prix . May 18–23 was when it was held
More than 4 events were held in  Detroit Grand Prix