noun, noun or participle which takes 'suru', intransitive verb
long-distance swimming
Refers to swimming a long distance, often in open water or as an endurance event. Commonly used in school or sports contexts.
夏休みに遠泳大会が開かれた。
A long-distance swimming competition was held during summer vacation.
彼は毎年、海で遠泳をし
He does long-distance swimming in the sea every year.