SpeedrooGuessroo · All speeds

How fast is the water speed record?

511.1 km/hAbout 318 mph · Race

Ken Warby's Spirit of Australia set it in 1978. It still stands.

That's about 9.1 times a red kangaroo's top speed (56 km/h).

511.1 km/h
a godwit

By speed: the water speed record is about 9.9× faster than a godwit.

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].