Long-distance running; events or training that involve running relatively long distances, including school endurance runs and races like marathons.
今日は体育で長距離走があった。
We had a long-distance run in P.E. today.
彼は長距離走の練習で毎朝10キロ走っている。
He runs 10 km every morning training for long-distance running.
長距離走はペース配分と持久力が重要だ。
Pacing and endurance are important in long-distance running.