noun
short course lane; 25m pool lane
Refers to a swimming pool lane shorter than 50m, typically 25m. Used in competitive swimming contexts, often contrasted with 長水路 (long course).
See also: 長水路
この大会は短水路で行われます。
This competition will be held in a short course pool.
短水路の記録は長水
Short course records tend to be faster than long course ones.