Sprinting

How fast can humans run?

An interactive lesson with 6 steps, about 5 minutes: you predict, drag and solve, with instant feedback on every answer. It runs in your browser and needs JavaScript.

What you’ll learn

• Bolt's 100 m record averages 10.44 m/s, with a top speed of about 12.3 m/s.
• Starting from rest drags the average below the top speed.
• Sprint starts demand well over a kilowatt of power.

Steps

1. Average speed
2. Top speed
3. Power output
4. Model a record
5. Slow off the blocks
6. Moving energy