25 or 50 metres

Usually 25 or 50 metres long,
confined in a space so big but small.

Bipolar waves, always dancing along,
that swish along to the upbeat songs.

Many lanes numbered 1 to 8,
and lots of people scattered with a mate.

It's sometimes hard to swim through the maze,
there's too many, you'll be trailing for days.

You've always been there for me,
from age 3 until now,
you'll always be my home,
that is a vow.