12 events were there in  Detroit Grand Prix .  Société Athlétique de la Villa Primrose in Bordeaux (1909) were the venues of  Detroit Grand Prix . The official site of  Detroit Grand Prix is chicagomarathon.com . It was held in 6–20 August 2016 . 40 from 30 nations competed in  Detroit Grand Prix . 17 teams competed in  Detroit Grand Prix
The sport  Detroit Grand Prix has 46 contenders  from less than 24 nations