How to Say "There was a person running." in Korean?

"There was a person running." in Korean is 러닝하는 사람 있었어요. (reoninghaneun saram isseosseoyo)

다음 주 (daeum ju) - Next Week
다음 주에 시간 있어요? (daeum jue sigan isseoyo) - Do you have time next week?
금요일에 조금 바빠요. (geumyoire jogeum bappayo) - I'm a little busy on Friday.
토요일에 시간 많아요. (toyoire sigan manayo) - I have a lot of time on Saturday.
토요일에 고양이 카페에서 만나요. (toyoire goyangi kapeeseo mannayo) - Let's meet at the cat cafe on Saturday.
한강 공원 (hangang gongwon) - Hangang Park (a riverside park in Seoul)
어제 한강 공원 갔어요. (eoje hangang gongwon gasseoyo) - I went to Hangang Park yesterday.
친구하고 같이 공원에서 걸었어요. (chinguhago gachi gongwoneseo georeosseoyo) - I walked in the park with my friend.