SizerooGuessroo · All sizes

How long is a marathon?

42.195 kmAbout 26.22 miles · Land-sized

Exactly 42.195 km, fixed in 1921.

A red kangaroo would need about 5,300 hops (8 m each) to cover it.

42.195 km
the widest tornado

To scale: a marathon is about 10× bigger than the widest tornado.

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Things about the same size

Many real things vary in size, so we use a typical or official figure. Spotted a mistake? Email hello@guessroo.com.