Marathon runners go fast

The world record for the marathon is 2:03:38, set by Patrick Makau. What is the average speed of Makau in m/s over the course of the marathon?

Details and assumptions

  • A marathon is 42.195 km long.


The answer is 5.69.

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1 solution

David Mattingly Staff
May 13, 2014

The average speed is the total distance divided by the time. Makau took 7418 seconds to run the marathon and so the total speed is 42195 / 7418 = 5.69 m/s 42195/7418=5.69~\mbox{m/s} .

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