How the fastest humans run

Chapter 1

The physics of the foot strike

Chapter 2

Inside the sprinter's muscles

Chapter 3

The art of the starting blocks

Chapter 4

Legends of the track

YOUR GOAL

Master of How the fastest humans run

Ch 1 · The physics of the foot strike

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dash Stride length versus frequency

Jul 30

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dash Physics of the Foot Strike

Strike the track hard! (Yeah, slam it down!) Fly in a flash! (Oh, hit and bounce!)

Jul 30

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dash The secret of ground contact time

Jul 30

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dash Speed is a simple mathematical equation multiplying how far you step by how fast you step.

Jul 30

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dash The fastest runners spend less time touching the ground, allowing them to maintain high speeds.

Jul 30

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BETA

dash Time each foot strike to discover how sprinters use physics to run incredibly fast.

Jul 30

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Fun Fact

Achilles spring power: A kangaroo’s hopping efficiency is highly dependent on elastic tendons, a mechanism human sprinters mimic to bounce off the track.

Jul 30

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Gossip

Which sprinting stat is most impressive?

Jul 30

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Quiz

Which mathematical formula determines a runner's overall speed?

Jul 30

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dash The role of the arms

Jul 30

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Quiz

What is the average ground contact time for an elite sprinter's foot strike?

Jul 30

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Quiz

At what angle should a sprinter bend their elbows to optimize arm drive?

Jul 30

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Quiz

How many strides did Usain Bolt take to complete his 9.58-second 100-meter world record run?

Jul 30

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Quiz

Which tendon acts as the primary natural spring in a sprinter's leg?

Jul 30

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Quiz

What is the primary role of a sprinter's arms during a high-speed race?

Jul 30

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Quiz

Why do elite sprinters focus heavily on minimizing their ground contact time?

Jul 30

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Quiz

How much force does Usain Bolt's foot exert on the track during a sprint?

Jul 30