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Usain Bolt‘s top speed during his 100m world record was a blistering 27.33 miles per hour (44.72 km/h). He hit that velocity in the 60-80m stretch, displaying a level of speed never before seen in track & field.

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Let‘s analyze the factors behind this unprecedented quickness.

Measuring Bolt‘s Top Speed

You might be wondering just how researchers precisely calculated his peak pace. During Bolt‘s iconic Berlin 2009 record run, his 100m sprint was captured by high-speed 3D cameras and laser measurement tools with 1000 frames per second.

This allowed biomechanists to closely examine his technique, cadence, and speed changes every 0.1 seconds along the entire race. The data showed:

• 67.13 meters into race → max speed of 27.33 mph (44.72 km/h)
• Maintained 25+ mph pace for next 20 meters
• Covered each 10 meters in under a second (at top velocity)

To put this in perspective, 27 mph is nearly four times the average human running speed.

Even world-class sprinters normally max out around 23 mph during 100m races.

Just as amazing was how Bolt generated this

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