You swim a mile.
Depends on the competition( meet)
The first swimming competition was in 1984.
Because
There are a few events that take place in the swimming pool at the Olympics * Swimming * Diving * Synchronised Swimming * Water Polo
Many people call it different things. Some people call it a swim meet. Others call them a swimming competition.
On an outdoor track 4 laps equal one mile. In a swimming pool, a swimming mile is 33 laps down and back, a real mile is 36 laps down and back.
It depends on the size of the swimming pools. If the pool is small, you need to swim many laps to get to 1/4 mile. 1/4 mile is 440 yards.
Very.
You can burn up to 500 calories by swimming a mile using front crawl. This is at a high intensity.
320
when the buzzer gos off
At least 2 meters.