This is the 12375th most frequent Korean word.
달리던
"달리던" means "was running" or "that was running" in English, depending on context.
Here, '달리던' describes the car that was continuously in motion at the moment in the past.
그는 빠르게 길을 달리던 차를 보며 깜짝 놀랐다.
He was shocked as he saw a car swiftly running on the road.
In this sentence, '달리던' refers to the narrator's action of running in the past in a specific place.
내가 달리던 곳은 아름다운 꽃밭이었다.
The place I was running at was a beautiful flower field.
'달리던' is used to depict a collective running action during a memorable moment in the past.