Jusqu'à combien de semaines Horse Racing: Kentucky Derby 2016 - US?

The Kentucky Derby /?d?rbi/ is a horse race held annually in Louisville, Kentucky, United States, on the first Saturday in May, capping the two-week-long Kentucky Derby Festival. The race is a Grade I stakes race for three-year-old Thoroughbreds at a distance of one and a quarter miles (2 km) at Churchill Downs. Colts and geldings carry 126 pounds (57 kilograms) and fillies 121 pounds (55 kilograms).See wikipedia for more details.