SpeedrooGuessroo · All speeds

How fast is the fastest 100 m swim?

7.76 km/hAbout 4.82 mph · Run

Pan Zhanle's 2024 record of 46.40 s averages about 7.8 km/h.

That's about 14% of a red kangaroo's top speed (56 km/h).

7.76 km/h
the fastest mite

By speed: a 100 m freestyle is about 9.6× faster than the fastest mite.

Think you can guess? Play today's Speedroo

Things about as fast

Many real things vary, so we use a typical or official figure. Spotted a mistake? Email [email protected].