World's fastest man

Usain Bolt, the Jamaican sprinter who has crashed the international sprint scene this year, obliterated his own world record by winning the gold medal in the 100 meters in theatrical fashion Saturday night at the Beijing Olympics, crossing the finish line in 9.69 seconds.

The World's Fastest Car

On Sept. 13, 2007, the Shelby SuperCars' Ultimate Aero became the fastest production car in the world. The event took place on a temporarily closed, two-lane stretch of public highway in Washington State. In accordance with Guinness World Records' strict policies, the car had to drive down the highway, turn around, and make a second pass in the opposite direction within one hour.