loosen muscles
The small pool is a hot tub; divers go in to keep their muscles loose.
If you are asking about a 27' circumference pool, then the answer is 27'
The definition of an Olympic size swimming pool is 10 lanes each 2.5 meters wide, however to prevent the outside lanes being disadvantaged by having to compete with the waves bouncing off the sides of the pool only the middle 8 lanes are ever used.
Ph of an Olympic Swimming Pool or for that matter any pool or spa should be maintained between 7.2 to 7.6 with 7.4 being ideal. (FYI)Outside this range the biggest problem is eye & skin irritation.
An Olympic sized pool is 50m
Neither. Say, "25 metre pool".
the 1st olympic swimming pool was in 1899.
A semi-olympic pool is 25 meters long by 12.5 meters wide with a depth of between 1.2 and 1.6 meters.
The temperature of an olympic pool is kept at 25-28C (77-82F)
One is bigger than the other
50 Meters, standard Olympic Sized pool.