16 (from 6 confederations) teams competed in  Detroit Grand Prix . Open ground were the venues of  Detroit Grand Prix . 28 from 21 nations competed in  Detroit Grand Prix . 2005 is when  Detroit Grand Prix was established  . The official site of  Detroit Grand Prix is city2surf.com.au . 18 events were there in  Detroit Grand Prix . May 18–23 was when it was held
 Detroit Grand Prix will celebrate it's  Sapphire jubilee on 2084