Usain Bolt ran the 2009 World final in 9.58 seconds. That's an average of 23.35 mph or 37.578 km/h. Taking acceleration time to the finish into consideration - his top speed was 27.45 mph or 44.172 km/h according to the biomechanical analysis of his 9.58 record.
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Usain Bolt ran the 2009 World final in 9.58 seconds. That's an average of 23.35 mph or 37.578 km/h. Taking acceleration time to the finish into consideration - his top speed was 27.45 mph or 44.172 km/h according to the biomechanical analysis of his 9.58 record.
That is about 23.31 miles per hour, or 37.52 Kilometers per hour. The time i based it on was his world record setting run of 19.19 seconds in the world championships in 2009. During the Beijing Olympics he ran at a speed of 20.06 for hte gold medal with a speed of 22.3 mph and 35.89 kph.