2000
This rocket was launched on September 29, 2000, and was 15 feet (5 m) tall and 8.625 inches in diameter. It was expected to reach 60 nautical miles (110 km) with a maximum speed of 3,205 mph (5,158 km/h). After launch the rocket encountered problems at 45,000 feet (13,700 m) where the wind sheared off the fin causing the rocket to break apart. Although the launch was fairly unsuccessful, it did set a record for amateur rocket speed of 3,205 mph (5,158 km/h).
Read more about this topic: Civilian Space E Xploration Team, Space Shot