Usually pools are 25 metres or 50 metres long (olympic sized). Swimming event distances have to be divisible by 50 metres so that a full lap can be completed. It is very unusual to have a 40 metre race.
40 m = ~131.23 ft
40 meters is 131.23 feet.
40 meters is 0.025 mile.
Just under 1.5 seconds.
1km=1000m 0.04km x 1000=40meters
The sailfish is the fastest swimming ´thing´on earth. It can reach speeds of 120 kph.
Swimming Trophy? There is no such thing.
Swimming
Marco Polo.
go to swimming and dye. and collect thing in underwater!
The noun "swimming pool" is a singular, common, compound, concrete noun; a word for a thing.
in my opinion it is swimming