<h2 class="wp-block-heading eplus-wrapper">What's happening? </h2>

Two weeks before the ChicagoOne of the biggest cities in the USA. marathonA very long running race, lasting for 26.2 miles., Kelvin Kiptum fell ill. But his coachEither a type of bus, or a person who trains an athlete. said he still had to run the race.

So Kiptum ran - and set a new world record of 2 hours 35 seconds. It was a whole 34 seconds faster than the record set by Eliud Kipchoge the previous year.

The record for the marathon has been cut by almost a third since 1908. There are several reasons for this. Today's runners have more training and better food than 100 years ago.

ExpertSomeone who knows a lot about a particular subject. Simon Angus thinks that the 2-hour barrier will be broken in March 2027. But he says no one will ever run faster than 1 hour 55 minutes and 40 seconds.

Are some records unbeatable?

Yes! The human body is amazing - but there are some things it just cannot do. No one will ever run 100m in five seconds, for example.

<h2 class="wp-block-heading eplus-wrapper">Find out more </h2>

No! There may be even more amazing runners in the future. And our understanding of the human body, and what it can do, is getting better every day.

Chicago - One of the biggest cities in the USA.

Marathon - A very long running race, lasting for 26.2 miles.

Coach - Either a type of bus, or a person who trains an athlete.

Expert - Someone who knows a lot about a particular subject.