runner's diarrhea

Noun

uncountable

A condition among runners characterised by the urgent need for a relatively liquid bowel movement during a run.

Japanese Meaning

ランナーが走行中に急に液状の便が出る症状。 / 運動中、特に長距離走行時に発生する下痢状態

I had to cut my morning run short because of runner's diarrhea.

朝のランを運動誘発性の下痢のために途中で切り上げなければならなかった。

Sense（1）

A condition among runners characterised by the urgent need for a relatively liquid bowel movement during a run.