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.
Circuit Bremgarten Circuit Bremgarten The Circuit Bremgarten was a 7.28 km (4.524-mi) motorsport race track in Bern, Switzerland which formerly hosted the Swiss Grand Prix from 1933 to 1954 (Formula One, 1947 to 1954) and the Swiss motorcycle Grand Prix. Bremgarten was built as a motorcycle racing track in 1931 in the "Bremgartenwald" (Bremgarten forest) in the north of Bern. The circuit itself had no true straight, instead being a collection of high-speed corners. It hosted its first automobile race in 1934, which claimed the life of driver Hugh Hamilton. In 1948 it claimed the life of Italian racer Achille Varzi. From