long-distance swim

noun
UK /ˌlɒŋ ˈdɪstəns swɪm/
US /ˌlɔːŋ ˈdɪstəns swɪm/

A long-distance swim is a very long swim that takes a lot of time and effort.

She trained for months before her long-distance swim across the lake.


OTHER MEANINGS

2. A competitive swimming event over a long course, such as 5 or 10 kilometers.

He won a medal in the 10-kilometer long-distance swim.

3. The act of swimming a great distance as a personal challenge or charity event.

The long-distance swim raised money for the local hospital.

4. A swim covering many lengths of a pool without stopping.

Our coach assigned a long-distance swim of 100 laps for practice.