Usain Bolt set the 100-meter world record at 9.58 seconds, achieved in Berlin on August 16, 2009. He also ran a wind-legal fastest time of 9.58 seconds in Berlin, which remains the official world record for the 100 meters. Peak top speed during that race was about 27.8 miles per hour (approximately 44.7 kilometers per hour) around the 60–80 meter mark.