Refers to the activity of running, especially as exercise or sport. Common in compound words like ランニングマシン (treadmill) and ランニングコース (running course).
I go running in the park every morning.
tank top; sleeveless undershirt; singlet
Abbreviation of ランニングシャツ. Refers to a sleeveless shirt worn as underwear or sportswear. In Japanese, this is a common casual term for a tank top, especially men's undershirts.
See also: ランニングシャツ
In summer, I often spend the day in just a tank top.
I bought a tank top at the sporting goods store.
I go running in the park every morning.
It's hot in summer, so I wear a tank top at home.
Going for a run in the evening is my daily routine.
It feels great to run along the riverside.