There are 10 lanes in an olympic swimming pool
In a normal Olympic Pool there are 10 lanes. I'm not too sure what a semi Olympic pool is!
Typically 10 lanes.
i think 12
8 or 6
An Olympic swimming pool usually has 8 lanes, but sometimes has up to 16.
An Olympic swimming pool is about 55 yards long and 27 yards wide. There are 10 lanes in an official pool.
An olympic size swimming pool has 10 lanes however only the middle 8 lanes are used for competition, with the outside two lanes being used to prevent the swimmers' waves bouncing off the walls