It depens, how long you've practice swimming. If you've swamm for years, you would probably swimm for aproximily 15 miles per hour. If you've only swamm for 1 year or less, you would swimm about 10 miles per hour or less.
^^ Joke answer right? The world record is like 5mph. The avg experienced swimmer probably 2 mph maybe 3. 3-5 kph. That's a guess, but a better answer than what's above.
The average sperm can swim about 3 millimeters per minute. When traveling to an egg, a sperm swims at about 4 to 5 miles per hour. This number may fluctuate depending on the health of the person.
around 1/2 mph
it can swim 4566666 mph
25 mph
150 mph
They can swim rather fast, it just depends on the leopard.
They swim about 10 to 20 mph
It can swim up to 100 mph
Octopuses swim between 12 and 14 mph.
bout 35 mph
up to 60 mph.
it can run 32mph
50 mph
a pike can swin as fast as 20-40 mph :)