Detroit Grand Prix (IndyCar) Speedway. AAA also held one five-mile (8 km), non-championship race at Grosse Pointe in 1905. The race dates back to when it was a Formula One World Championship event held on the Detroit street circuit encompassing the Renaissance Center. The original circuit was with seventeen corners and proved to be even slower than Monaco. The rough, demanding course included a railroad track crossing and mimicked Monaco, with a tunnel on the main straight. While officially the "Detroit Grand Prix", it was referred to as the "United States Grand Prix East" because there were multiple Grand Prix races in the U.S.
Danish Grand Prix Danish Grand Prix The Danish Grand Prix was an open-wheel racing car motor race, sometimes held for Formula One. Last held for Formula One cars in 1962, the race is now defunct. The Danish Grand Prix was held at the Roskilde Ring circuit near Roskilde. By standards of the era, the circuit was very small, at just three quarters of a mile for the lap. Formula One cars were completing the lap in just over 42 seconds. The circuit ultimately limited the growth potential of the race, and the event was not considered to be added to the World Drivers