28 from 21 nations competed in  Detroit Grand Prix . 2005 is when  Detroit Grand Prix was established  . The no. of events in sport was 18 . The venue for  Detroit Grand Prix was Open ground . It was held in May 18–23 . 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
The sport  Detroit Grand Prix has 33 contestants  from more than 39 nations