76
chlorinated fresh water (not salt water )
You usually see them in diving competitions. The water spouting into the pool gives the divers perspective on the distance to the surface of the pool.
repeat
Swimming races and diving
The starting blocks can be no higher than 30 inches above water level.
The temperature of an olympic pool is kept at 25-28C (77-82F)
The official water temperature ranges for Olympic-sized pools used for the Olympic games are: Swimming pools: 25-28 °C Diving pools: Not less than 26 °C Water polo pools: 25-27 °C Synchronized swimming: 26-28 °C
To keep the swimmers warm. The large pool is cold
5 or 6 meters
six feet at 7 inch minimun
keep from cramping