   an olympic-size swimming pool is the type of swimming pool used in the olympic games, where the race course is 50 metres in length. this is typically referred to as "long course", distinguishing it from "short course" which applies to competitions in pools that are 25 metres in length. if touch panels are used in competition, then the distance between touch panels should be either 25 or 50 metres to qualify for fina recognition. this means that olympic pools are generally oversized, to accommodate touch panels used in competition. ==specifications== fina specifications for an olympic-size pool are as follows: {| class="wikitable" |- |length ||  |- |width ||  |- |depth || fr 2 swimming pools: minimum  between 1&nbsp;m and 6&nbsp;m from ends; minimum of  elsewhere fr 3 swimming pools for olympic games and world championships: minimum ; recommended  |- |number of lanes || 10 |- |lane width ||  |- |water temperature ||  |- |light intensity || minimum 1500 lux (140 footcandles) |- |volume || based on a nominal depth of 2&nbsp;m, this is  or, in terms of cubic volume, , as is commonly quoted. |- |} there must be two spaces  wide outside lanes 1 and 8 (in effect, two empty lanes). the length of  must be between the touch pads at the end of each lane, if they are used. if starting blocks are used, then there must be a minimum depth of 1.35 metres from between 1.0 metres from the end of the pool to at least 6.0 metres from the end of the pool. at all 
Sports_venues Swimming_at_the_Summer_Olympics Swimming_pools