17 teams competed in  Detroit Grand Prix . 12 events were there in  Detroit Grand Prix . The sport has the official site chicagomarathon.com .  Société Athlétique de la Villa Primrose in Bordeaux (1909) were the venues of  Detroit Grand Prix . 40 from 30 nations were the competitors in  Detroit Grand Prix . 6–20 August 2016 was when it was held
17 teams competed against each other in  Detroit Grand Prix