In a normal Olympic Pool there are 10 lanes. I'm not too sure what a semi Olympic pool is!
There are 10 lanes in an olympic swimming pool
8
Typically 10 lanes.
8
8 or 6
There are to many to count since a pool just has to be 50 meters in length and 2.5 m wide lanes
Competitive swimming pools widely vary in width. The width (in feet) changes depending on how many lanes it has. Most competitive pools have either six, eight, or ten lanes. An official Olympic sized swimming pool is 50 meters by 25 meters. It is ten lanes wide.
There are usually 50 meters in a Olympic sized swimming pool.
There are 2 Olympic size swimming pools in Victoria
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
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An Olympic swimming pool usually has 8 lanes, but sometimes has up to 16.